Answer: cells are non-living units that make up organism
A physician is to see a patient with rheumatoid arthritis. Which area of the body does the physician expect to show the most signs and symptoms of the disease?.
A physician is to see a patient with rheumatoid arthritis. The area of the body that the physician expects to show the most signs and symptoms of the disease are the hands and fingers.
Rheumatoid arthritis is a disease that is characterized by severe swelling, pain, and stiffness in the joints of the body of an individual. This autoimmune disease tends to affect the smaller joints, particularly those of the hands in a much larger ratio.
The metacarpophalangeal (MCP) joints and the proximal interphalangeal (PIP) joints are found in the hand which are mostly affected by rheumatoid arthritis.
A patient who has joints of the hand affected by rheumatoid arthritis has difficulty in bending his hands and fingers, and the movement of the hand as well as the ability to form fists is also badly affected.
Although a part of your question is missing, you might be referring to this question:
A physician is to see a patient with rheumatoid arthritis. Which area of the body does the physician expect to show the most signs and symptoms of the disease?
Eyes and mouth
Lungs
Hands and fingers
Skin
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Which of the following environments is being referred to when explaining hypertonic, hypotonic, or isotonic solutions?
A: Inside the cell or organism
B: Outside the cell or organism
C: Other: Must Explain:
Answer:
I believe it is A. inside the cell or organism
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Rhe autonomic nervous system is subdivided into the ______ division which tends to arouse the body for action and the ______ division which tends to have a calming effect.
Answer: sympathetic; parasympathetic
Explanation:
Determine whether the following statement is true or false: optogenetics uses transmitter-gated channels that have been introduced by genetic engineering techniques to control neurons.
Optogenetics uses transmitter-gated channels that have been introduced by genetic engineering techniques to control neurons. This statement is False.
What is Optogenetics?
Optogenetics is an experimental method of biological research that blends genetics and optics in tools designed to manipulate (by triggering or inhibiting) particular events in living animal tissue cells. Optogenetics, as opposed to previous experimental methods for light control, enables scientists to utilize light to turn cells on or off in living, moving creatures with exceedingly fine resolution and precision. As a result, it can be used to not only control some animal behaviours, such as inducing or reducing pain or fear responses but also to pinpoint the role that particular cells play in those behaviours.
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If the mitochondria and chloroplasts in eukaryotic cells resulted from endosymbiosis between various prokaryotes, what features should these organelles have?.
Answer:
An endosymbiont is one organism that lives inside of another one. All eukaryotic cells, like your own, are creatures that are made up of the parts of other creatures. Mitochondria and chloroplasts have their own unique DNA. Ribosomes in eukaryotes are similar to those in bacteria. Mitochondria are formed by binary fusion.
Explanation:
In which part of the cell do ribosomes perform protein synthesis? (1 point)
lysosome
cytoplasm
vacuole
nucleus
According to the research, the correct option is nucleus. The part of the cell where ribosomes perform protein synthesis is in the nucleus.
What is the nucleus?It is a membranous structure that is located both in the plant cell and in the animal cell that houses most of the material belonging to genetics.
In this sense, it exerts control over the activities of cells and to preserve the integrity of genes, DNA molecules, proteins and ribosomes are organized in it, which will serve for protein synthesis.
Therefore, we can conclude that according to the research, the correct option is nucleus. The part of the cell where ribosomes perform protein synthesis is in the nucleus.
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in addition to burning fossil fuels, humans return co2 to the atmosphere faster than it can be removed by: expanding rice production. generating nutrient pollution. expanding beef production. clearing forests for agriculture. polluting the oceans.
Humans not only use fossil fuels but also cut forests for agriculture, which releases more CO2 into the atmosphere than it can be taken out.
Fossil fuels being burned:
Oil, natural gas, and coal are examples of fossil fuels that are burned to provide energy. We use this energy to create electricity, as well as to fuel industrial activities and forms of transportation (such vehicles and airplanes).
The burning of fossil fuels has various effects on the Earth system. Some of these possibilities are:
The greenhouse gases carbon dioxide (CO2) and nitrous oxide (N2O) are released into the atmosphere, increasing the greenhouse effect (the reflection of heat back into the atmosphere) and increasing the average global temperature. These greenhouse gases can remain in the atmosphere for decades to hundreds of years.
Fossil fuels form over millions of years from the burial of photosynthetic organisms, including terrestrial plants (which primarily form coal) and marine plankton (which primarily form oil and natural gas).
To grow, these organisms removed carbon dioxide from the atmosphere and oceans, and their burial inhibited the movement of that carbon through the carbon cycle. Burning this fossil material releases this carbon into the atmosphere as carbon dioxide. Its speed is hundreds to thousands of times faster than burial and much faster than the carbon cycle can remove it.
Thus, the carbon dioxide released when burning fossil fuels accumulates in the atmosphere and some of it dissolves in the ocean, causing ocean acidification.
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12. Explore bacteria slides. Compare the bacteria slides to the blood cells and
include details about their color, general shape, and size. Write this as a complete sentence or paragraph.
Find below the comparison between a bacterial and blood cell:
Bacteria are prokaryotic organisms. They are unicellular and found globally.
Cell of a bacterium:
Their complex cell envelope is made up of three closely connected layers: the plasma membrane, the cell wall, the glycocalyx (outermost).Because the nuclear envelope is missing in bacterial cells, the nuclear area is not well delineated. A nuclear membrane does not surround the genetic material in a nucleoid.Blood cell:
There are mainly three types of cells in the blood:White blood cells or leucocytes (WBCs)Red blood cells or erythrocytes (RBCs)Platelets or thrombocytesMammal RBCs have a biconcave form and no nucleus. Because hemoglobin is present, they seem red in color.Along with other organelles, WBCs include nuclei. They lack hemoglobin, which gives them a colorless appearance.Our blood contains platelets, which are tiny, colorless cell fragments that help to stop or slow bleeding.Hence, bacterial cells differ from blood cells in the above mentioned ways.
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the effect of the relationship between post- cardiotomy neutrophil/lymphocyte ratio and platelet counts on early major adverse events after isolated coronary artery bypass grafting.
In this study, we aimed to investigate the role of postcardiotomy neutrophil, lymphocyte, and platelet counts in predicting major adverse events after coronary artery bypass grafting.
What is postcardiotomy?In terms of physiology, respiration is the transfer of oxygen from the external environment to the cells inside tissues and the removal of carbon dioxide in the opposite direction, that is, back into the external environment.
The biochemical meaning of respiration, in contrast to the physiological definition, refers to a metabolic process whereby an organism receives energy (in the form of ATP and NADPH) by oxidizing nutrients and releasing waste products. Even though cellular respiration and the subsequent maintenance of life in animals depend on physiologic respiration, the two processes are different: cellular respiration occurs within individual organism cells, whereas physiologic respiration deals with the diffusion and transport of metabolites between the organism and the external environment.
Lung gas exchanges are carried out by ventilation and perfusion.
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Define conservation stewardship program 
Answer:
From my research the Conservation Security Program (CSP) was a voluntary conservation program in the United States that supported stewardship of private agricultural lands by providing payments and technical assistance for maintaining and enhancing natural resources
Explanation:
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The skin swells and puckers during a long bath. this suggests that bath water is a(n) ________ fluid.
The skin swells and puckers during a long bath. this suggests that bath water is a(n) hypotonic fluid.
What is a hypotonic solution?The solution which contains less amount of salt than the surrounding solution is called a hypotonic solution. The solution which contains more solute than surrounding solution it is called hypertonic solution.
The solution which contains same amount of solute then surrounding solution is called isotonic solution.
When skin swells and puckers during a long bath, because it is placed in hypotonic solution. It has less solute such as Na, K and phosphorus ions therefore skin puckers.
Therefore, The skin swells and puckers during a long bath. this suggests that bath water is a(n) hypotonic fluid.
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A(n)_____is a three-base sequence on the trna that binds to the three-base on the mrna.
A series of 3 consecutive bases in a tRNA molecule which mainly binds to a complementary codon series in mRNA is thought an anticodon. The unique nucleotide series of an mRNA specifies which amino acids are included into the protein fabricated from the gene from which the mRNA is transcribed, and the position of tRNA is to specify which series from the genetic code corresponds to which amino acid.
One cease of the tRNA suits the genetic code in a 3-nucleotide series referred to as the anticodon. The anticodon paperwork 3 base pairs with a codon in mRNA all through protein biosynthesis. All tRNAs have the series CCA at their 3´ terminus, and amino acids are covalently connected to the ribose of the terminal adenosine.
The mRNA template is then identified with the aid of using the anticodon loop, positioned at the opposite cease of the folded tRNA, which binds to the suitable codon with the aid of using complementary base pairing.
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The villi and microvilli are the site of nutrient:____.
a. absorption.
b. digestion.
c. excretion.
d. elimination.
The villi and microvilli are the site of nutrient : absorption.
What is the absorption process?
Absorption. The small intestine's cell membranes allow the simple molecules produced by chemical digestion to enter the blood or lymph capillaries. Absorption is the name of this procedure.
The small intestine's surface area is increased by villi and microvilli, which facilitates the absorption of bile salts and vitamin B12. Villi and microvilli enhance the small intestine's surface area, which improves nutrient absorption by diffusion.
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who were stephen j. gould and richard lewontin? who was ernst mayr? they were all important evolutionary biologists at harvard. i also want you to know who edward o. wilson is, as his work is one of gould and lewontin's targets. why are these scientists qualified to debate the merits of adaptationism?
Stephen Jay Gould was a well-known evolutionist and author who passed away in 2002. Richard Lewontin, a fellow Harvard Professor when Gould was alive, is renowned for his groundbreaking research into the genetics of variation within populations.
Stephen Jay Gould and Richard Lewontin:
Both individuals had strong opinions about the work of sociobiologists and evolutionary psychologists, two disciplines that take an adaptationist stance and use the theory of natural selection as the foundation for their inquiries into the potential adaptive worth of behavior.
The US Library of Congress designated Stephen Jay Gould as a Living Legend in recognition of his numerous literary accomplishments. As demonstrated by gel electrophoresis, a method that reveals just how much hereditary variation there is in the populations of living things,
Edward Osborne Wilson was an American scientist, naturalist, and author who lived from June 10, 1929, to December 26, 2021. Myrmecology, the study of ants, was his area of expertise. David Attenborough claimed that he was the foremost authority in his field. The "ant man" was his nick name.
Ernst Walter Mayr
One of the most eminent evolutionary biologists of the 20th century was. He was also a well-known taxonomist, explorer of the tropics, ornithologist, biologist, and historian of science.
His work played a role in the conceptual shift that resulted in the contemporary evolutionary synthesis of Mendelian genetics, systematics, and Darwinian evolution as well as the conceptualization of biological species.
One expression of their resistance to this approach came in an extremely influential paper published in the Proceedings of the Royal Society B (Gould and Lewontin 1979) on the supposed failures of adaptationism.
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The main function of
detritivores/decomposers/detritus
feeders is to
A.
capture the sun's energy for the ecosystem.
B. release and return matter back to the ecosystem.
C. do nothing as they are not an important part of
the ecosystem.
D. organize the ecosystem.
The main function of detritivores/decomposers/detritus feeders is to: B. release and return matter back to the ecosystem.
What are detritivores?The detritivores are decomposers that will obtain their food from the detritus of the organic matter that is decomposing. This makes them an important part of the ecosystem since they will contribute to the return of nutrients that cannot be decomposed by other organisms.
There are organisms in the ecosystem such as bacteria or fungi that are not able to digest certain types of bits left over from the decomposition of organic materials that other larger detritivores can, but they can absorb butrients at the molecular level.
Within the detritivores we find millipedes, carrion flies, earthworms, some types of beetles, among others.
Therefore, we can confirm that the main function of detritivores/decomposers/detritus feeders is to: B. release and return matter back to the ecosystem.
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while the theory of evolution does have detractors, i find it provides a very convincing explanation of how highly complex organisms such as humans could evolve from simple atoms (dawkins, 1989).
Darwin's theory of evolution by natural selection is satisfying because it shows us a way in which simplicity could change into complexity.
Darwin and Alfred Russel Wallace, one of his scientific contemporaries, proposed that natural selection, or evolution, is the result of this process. According to the principle of natural selection, organisms breed more young than they can withstand in their surroundings.Early eukaryotes had an abundance of mitochondria producing energy, allowing them to expand and amass larger and more complex genomes. Additionally, these larger genomes gave rise to the genetic building blocks needed for the evolution of ever-more sophisticated life. According to conventional wisdom, complex structures develop gradually from simpler ones through a process of evolution, with Darwinian selection preferring intermediate forms along the way.To learn more about evolution.
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what are four parts common to all cells
Answer :All cells share four common components: 1) a plasma membrane, an outer covering that separates the cell's interior from its surrounding environment; 2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; 3) DNA, the genetic material of the cell; and 4)
Explanation:
Which way do the blue water molecules travel to get into the xylem? Do they go through cell cytoplasm or cell walls, or both?
From the soil, water molecules move into the root hairs. Aquaporins are holes that allow water molecules to pass through cell membranes.
What exactly are molecules?One or more atoms make up molecules. If they contain more than one, they may contain different atoms or the same atoms (for instance, an oxygen molecule has two oxygen atoms) (a water molecule has two hydrogen atoms and one oxygen atom). The number of atoms in biological compounds like DNA and proteins can reach thousands.
How are molecules created?A molecule is the term used to describe the aggregate of atoms that results from the formation of covalent bonds. Therefore, we might claim that a molecule is the most basic component of a covalent composite.
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You add a fluorescent antibody to a cell surface protein to a dish of cells. Looking at an individual cell under the microscope the entire surface of the cell is fluorescent. You then hit the cell with a brief pulse from a laser which bleaches out part of the fluorescence on the cell. Over time you notice that the entire surface of the cell becomes fluorescent again. What is the best explanation for this observation?.
Answer: Proteins from parts of the cell membrane that were not bleached with the laser diffuse into regions of the membrane that were bleached.
Explanation:
question chitinase is an enzyme that breaks down the chitin molecules in the insect exoskeleton. the sequence of amino acids in the chitinase is an example of which level of protein structure? secondary secondary, tertiary tertiary primary primary quaternary quaternary
Chitinase is an enzyme that breaks down the chitin molecules in the insect exoskeleton. The sequence of amino acids in the chitinase is an example of which level of protein structure is primary.
Chitinases are a common component of all living things and can be found in archaea, bacteria, fungi, plants, and animals. Chitin, the second-most prevalent carbohydrate in nature after cellulose, is broken down by them. As a result, they are crucial for preserving a balance between the carbon and nitrogen that are locked in biomass as insoluble chitin. 18 and 19 glycoside hydrolases are the two families into which chitinases are divided. Many members of the family 18 of chitinases possess a second module, called the chitinase insertion domain, in addition to the catalytic domain, which is a triosephosphate isomerase barrel. The biological significance of the catalytic domain in chitinase activity is the subject of several investigations, although the role of the chitinase insertion domain is still poorly known.To learn more about Chitinase.
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Answer: primary
Explanation: i did test
This combines with the egg cell's half of genetic material to the egg cell.
This combines with the egg cell's half of genetic material to Fertilise the egg cell (this process is known as fertilization).
What is the fertilization process?The fertilization process is the phenomenon in sexual reproduction occurred in nature by which two germinal meiotic cells combine to form a zygote that will develop to reach an adult organism. This process (fertilization) involves the generation of genetic variability.
In conclusion, this combines with the egg cell's half of genetic material to Fertilise the egg cell (this process is known as fertilization).
Complete question:
Fill the blank. This combines with the egg cell's half of genetic material to _____ the egg cell.
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A reverse fault occurs when compression acts on a normal fault
true
false
A reverse fault occurs when compression acts on a normal fault is referred to as a true statement and is denoted as option B.
What is Reverse fault?Thus is referred to as the reverse type of a normal fault which occurs as a result of compressional forces on rocks and other materials in the earth crust.
This type of fault usually occurs when one side of the land moves upwards while the other side stays still as a result if the forces involved and a re commonly found in convergent plate boundaries. This is therefore the reason why true was chosen as the most appropriate choice.
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If heavy exercise produces lots of co2 in the body, will the blood become more acid or more basic?.
If the lots Co2 produced in body it can make blood more acidic
What occurs when CO2 levels are too high?A increased CO2 level frequently results in minor symptoms like headache and weariness. More serious symptoms including breathing problems, respiratory failure, seizures, and coma can develop when the defense mechanisms in your body meant to maintain this balance stop functioning.
Excess of Co2 causes the Ph of your blood and bodily fluids to decrease, making them too acidic.
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1. The dark, circular
ribosome assembly begins.
is where ___ribsome assembly begins
2. The thread-like chromosomes are spread
throughout the nucleus in the form of____
3. The membrane of the nucleus is dotted
with____ to allow material in and out
The dark, circular ribosome assembly begins is where the nucleolus ribsome assembly begins.The thread-like chromosomes are spread throughout the nucleus in the form of DNA wrapped tightly by proteins called histones. The membrane of the nucleus is dotted with rough endoplasmic reticulum and is dotted with ribosomes.
Processing and meeting start withinside the nucleolus, retain withinside the nucleoplasm and are finished withinside the cytoplasm. The outer membrane of the nucleus is the membrane dealing with the cytoplasm. In mammals, the outer nuclear membrane is non-stop in lots of locations with the difficult endoplasmic reticulum and is dotted with ribosomes.
The thread-like shape placed withinside the nucleus of cells of flora and animals is referred to as a chromosome. The time period chromosome became first coined with the aid of using German anatomist Henrich Wilhelm Waldeyer in 1888. Each chromosome consists of DNA wrapped tightly with the aid of using proteins referred to as histones.
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Answer:
1.)The dark, circular Nucleolus is where ribosome assembly begins.
2.)The thread-like chromosomes are spread throughout the nucleus in the form of Chromatin
3.)The membrane of the nucleus is dotted with Nuclear Pores to allow material in and out.
Explanation:
if the scientists that believe the virus has not reached loulslana are accurate
Answer:
If you're asking if the virus has reached Louisiana, the scientists that say this are not correct.
Explanation:
See, COVID-19 has spread all over the world - from the largest city in the world to the smallest village in the remotest parts. In some places, the government enforces more strict laws, so the death rates and case rates are lower. However, there is no way to avoid catching COVID-19 completely, no matter where you go.
Need help quick, bio hw.
The classification of the substances are;
Reactants of hydrolysis;
Polypeptides
Triglycerides
Polysaccharides
DNA and RNA
Products of hydrolysis;
Fatty acids
Monosaccharides
Nucleotides
Amino acids
Glycerol
What is hydrolysis?The term hydrolysis has to do with a kind of reaction in which a macromolecule is broken down into smaller parts. The hydrolysis of a macromolecule often yields the monomers that were combined to form it.
There are a lot of macromolecules that exists in the biological system. The monomers that compose them could be obtained by hydrolysis.
Recall that the compounds that do combine with other compounds to yield macromolecule are what we have called the reactants in this particular sense. The products are the compounds that were formed by the combination.
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Construct an Explanation How does the struc ture of an amino acid relate to its function in cellular processes ? Use the role of amino acids in the structure of proteins as supportive evidence .
Answer: amino acids chains together to form specific protein.
Explanation: the unique amino acid sequence of a protein is shown in its unique folded structure.the structure in turn, determines the protein function. this is why mutation that alter amino acid sequence can affect the function of a protein.
A person takes a dose of antibiotics each day for 5 days. Which graph below 1 point
shows the population of harmful bacteria after a person completes a
successful course of antibiotics, where a person has no more harmful
bacteria in them?
Graph A
Bacteria
Graph B
Answer:
The third graph which is option B, because it is depicting the bacteria slowly decreasing over a 5 day period because the effects of antibiotics generally takes time to be processed.
Explanation:
Hope it helps! =D
Graph B shows the population of harmful bacteria after a person completes a successful course of antibiotics, where a person has no more harmful bacteria in them.
What are Antibiotics?Antibiotics are a type of medication used to treat bacterial infections. They work by killing or inhibiting the growth of bacteria, helping the body's natural immune system to fight off the infection.
Antibiotics can be administered orally, topically, or intravenously depending on the type of infection and the severity of the illness.
It is important to use antibiotics only when necessary and as prescribed by a healthcare professional, as misuse and overuse of antibiotics can lead to antibiotic resistance, which is a growing global health concern.
The graph shows a sharp decrease in the population of bacteria over time until it reaches zero, indicating successful treatment. Graph A shows the population of bacteria decreasing initially but then increasing again, indicating unsuccessful treatment.
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A scientist discovers that there is a virus that turns pil
bugs purple when they become infected, the virus also
slowty kills them. She wonders if this vrus is spread
through ar or through contact. She sets up four smal
chambers for her experiment, each has its own isolated
or supply. Each has 5 purple pill bugs and 30 gray normal pl buns, all the
same age, size, and sex One chamber has a divider separating the purpl
pill bugs on the left and the normal pl bugs on the right. The dvder
allows air to flow from the left side to the right side, but pl bugs
cannot pass through the divider: The second chamber has a dider
separating the infected and noninfected plibugs, but this divider does no
let ar pass through it, each side of the chamber has its own ar supply.
A third chamber is set up with no dividen, the pill bugs can interact with
each other. In the Fourth chamber, she places only 50 noninfected pl
bugs with no divider. Each day over a month, she observes the pl bugs
and records how many turn purple and how many die.
what is the independent variable, dependent variable, constants, control group, and experimental group?
In the given experiment to investigate if the virus spreads through contact or air, four chambers containing both infected and non-infected bugs are set up as follows:
With divider that allows air flowWith divider that doesn't allow air flowNo divider; both kinds of bugs are allowed to come in contactOnly non-infected bugs presentHere,
Independent variable: Infection by the virus which turns them purple and slowly kills them. Dependent variable: life of bugs that depends on the independent variable, which here is the the viral infection.Constant: age, size and gender of bugs have been kept same in every chamber.Control group: group 2 and 4 act as a control group. That is because, healthy bugs are kept in an isolated environment where contamination is not possible either through air or through contact.Experimental group: the first three chambers where infected bugs are kept along with non-infected bugs are a part of the experimental group.In Group 1, if the healthy bugs get an infection, it would suggest that the infection spreads through air since the barrier separating them allows air passage from one side to the other. Group 2, can act as a control group for group 1 since the barrier does not allow air flow and both chambers have separate air flow. In Group 3, if healthy bugs get infected then it would suggest that the infection spreads through contact.Learn more about research methodology here:
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which takes place in interphase or mitosis in animal cells
Answer:
The Answer is C: ii and iii.
In interphase the DNA replicate which leads to the pairing of homologous chromosomes.