Compared to most eukaryotic cells, the cells of bacteria and archaea have higher surface-to-volume ratios, causing higher nutrient exchange and growth rates.
Eukaryotic cells are those that have well developed nucleus and also have all the cell organelles. The organisms possessing the eukaryotic cell may range from unicellular to multicellular to organisms with complete organ systems. The examples are: fungi, protists. plants and animals.
Bacteria are the prokaryotic organisms that have primitive type of nucleus. The nucleus is not surrounded by any membrane and lies openly in the pool of cytoplasm. These are unicellular only. The examples are: E. coli, Salmonella, Bacillus, etc.
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I NEED HELP
Water has a low viscosity (thickness). How might the movement of the dyes
change if a fluid with a higher viscosity is used? 1
The movement of the dyes would change in the negative if a fluid with higher viscosity is used. i.e lower movement of the dye through the medium
This is further explained below.
What kind of effects does viscosity have on the flow of fluid?Generally, One way to think about viscosity is as a measurement of the resistance that a fluid has to flow through it.
When compared to a fluid with lower viscosity, a liquid with a surface tension has a lower flow rate but a higher resistance, which is akin to having more friction.
This resistance may be thought of as the equivalent of having greater friction. To provide an example using language that is more accessible to people, we may state that the viscosity of a fluid is lower when it moves through its environment in a more orderly fashion.
In conclusion, If a fluid with a greater viscosity were utilized, the mobility of the dyes would be altered in an unfavorable manner. meaning that there is less mobility of the pigment throughout the medium
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Diseased animal cells may produce molecules that activate death cascades to kill the cells in a controlled manner. Why would neighboring healthy cells also die?.
Diseased animal cells may produce molecules that activate death cascades to kill the cells in a controlled manner. Neighboring healthy cells will also die because d. the death molecule passes through gap junctions.
Gap junctions are the intracellular connections that make it possible for neighboring cells to communicate with each other. The cytoplasms of the neighboring cells are able to exchange ions, molecules, impulses, etc through these gap junctions. Hence, these gap junctions are extremely important for the transfer of material between neighborly cells.
However, if healthy cells form gap junctions with diseased cells that form death molecules to kill themselves, then the death molecules can pass through the gap junctions to the healthy cells as well. As a result, the neighboring healthy cells will also die.
Although a part of your question is missing, you might be referring to this question:
Diseased animal cells may produce molecules that activate death cascades to kill the cells in a controlled manner. Why would neighboring healthy cells also die?
a.The death molecule is passed through desmosomes.
b.The death molecule is passed through plasmodesmata.
c.The death molecule disrupts the extracellular matrix.
d.The death molecule passes through gap junctions.
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The movement of materials across the cell membrane from an area of higher concentration to an area of lower concentration
is called
Answer:
diffusion
Explanation:
The elimination of rinderpest impacted the wildebeest population. What type of
factor is rinderpest?
density-dependent
density-independent
dependent
independent
Correct option a) density-dependent
Rinderpest is an RNA virus of farm animals this is intently associated with the human measles virus. The virus fast unfold at some stage in the continent of Africa. Wildebeest population sizes are stricken by a number of factors, together with ailment, useful resource availability, and human impacts.
Within an insignificant eight years it killed an predicted 90% of the wild wildebeest and buffalo in east Africa. Rinderpest is a viral ailment that infects farm animals, wildebeest, and different hoofed animals. The ailment had affected farm animals and natural world withinside the Serengeti area for decades.
Death fees have been extraordinarily high, specially amongst wildebeest calves.the wildebeest populace in Serengeti National Park, Tanzania, commenced growing at a charge a lot quicker than before. Scientists decided that this boom became because of numerous factors, together with the eradication of a ailment known as rinderpest.
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A protein’s function is determined by the properties of its amino acids. Which replacement of one amino acid with another is least likely to affect the protein’s function?.
An amino acid with a carboxyl (C=O) group is replaced by an amino acid with an hydroxyl (O-H) group.
All amino acids have a core carbon backbone, an amino group, a carboxyl group, and a variable side chain that determines the amino acid type. In the case of alanine, the side chains may be methyl groups, whereas in the case of cysteine, they could be sulfhydryl groups.
The presence of a carboxyl or hydroxyl group on an amino acid's side chain improves its hydrophilicity. Thus, replacing an amino acid with a carboxyl (C=O) group with an amino acid with a hydroxyl (O-H) group would have the least effect on protein function since both groups contribute approximately equally to the polarity of such amino acids.
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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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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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What determines the type of ecosystem or biome that forms?
Answer:
Minerals
Explanation:
Answer:
I believe the answer is flora
Explanation:
The definition of flora is the plants of a particular region, habitat, or geological period.
What fraction of the offspring from a cross between two animals with the genotype aabbcc are expected to be homozygous recessive for the three traits?.
1/64 fraction of the offspring from a cross between two animals with the genotype aabbcc are expected to be homozygous recessive for the three traits.
What is a homozygous example?When two identical copies of a gene are present, you are said to be homozygous for that gene. In contrast, a genotype with heterozygosity has different alleles. Everyone who possesses a recessive trait, such as red hair or blue eyes, is homozygous for the that gene.
What does homozygous female mean?X chromosomes and the autosomes each contain two copies of each gene, and in homozygous people (homozygotes), both copies of the allele are the same.
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The process of converting
into
that requires oxygen.
An investigation was done to see if the diameter of rubber tubbing affects the time to siphon water out of a container what would the manipulated variable be
Answer: The factor of safety in a plumbing system and determination of the upper limit of service for a 3-inch soil stack. 146. Establishment of a factor of safety.
Explanation:
The manipulated variable in the investigation is the diameter of the rubber tubing to determine its impact on siphoning time.
In the investigation exploring the impact of rubber tubing diameter on the time required to siphon water from a container, the manipulated variable is the diameter of the tubing. This variable is intentionally altered by the researcher to assess its influence on the siphoning process. By testing various tubing diameters, the researchers aim to observe any patterns or trends regarding the time it takes for water to be siphoned out.
This investigation seeks to determine if there is a correlation between tubing diameter and siphoning time. Controlling other factors, such as the volume of water, height difference, and tubing length, allows for a focused examination of the specific impact of tubing diameter on the efficiency of the siphoning process.
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The complete question is:
An investigation was done to see if the diameter of rubber tubing affects the time to siphon water out of a container. What would the manipulated variable be?
How would the color mutation affect a wallaby that was living in the wild versus one that was living in a zoo?
Answer:
All the types of well known and famous Albino animals mostly look very adorable and too cute. But there is this lack of melanin which is in their bodies and this relatively causes a huge amount of hardships for these pigment-challenged creatures. This is the only drawback which we can spot in them and other than that they are adorable.
Explanation:
Can you match them to the proper categories Please Help!!! Real answers only!!! 60 POINTS!!
Monomers are small organic molecules that compose polymers. The main atoms are C, H, and O, but other atoms are present too. Typical polymers are carbohydrates, lipids, proteins, and nucleic acids. You will find the complete table in the attached files.
What are monomers and polymers?
Polymers are large molecules composed of multiple similar units called monomers.
Monomers are organic molecules of reduced molecular mass. They are basically composed of carbon, oxygen, and hydrogen atoms, which establish covalent bonds. Other atoms can be involved as well.
When many monomers join through chemical bonds, they form a polymer. These subunits do not need to be identical.
In the exposed example, we have four polymeric molecules. Let us fill the empty spaces,
1)
Name: CarbohydrateAtoms: CHOMonomers: MocnosaccharideFood: PastaOther: Fast energy source2)
Name: LipidAtoms: CHOMonomers: Glyserol + Fatty acidFood: OilOther: Cell membrane, insulation, long term energy cource3)
Name: ProteinsAtoms: CHONMonomers: Amino acidsFood: SteakOther: Fasta Cell membrane, enzymes, antibodies4)
Name: Nucleic acidsAtoms: CHONPMonomers: NucleotidesFood: Strawberry cellsOther: Genetic material storageYou can learn more about monomers and polymers at
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Justin is listening to the radio when he hears the sound of sirens, which he mistakes for the police turning on their sirens behind him. He immediately presses on the brakes, has an accelerated heartbeat and higher blood pressure, as well as sweaty palms. His reaction is known as?.
Justin's reaction is a stress response. It is due to presence of fight-or-flight hormone. Adrenaline triggers fight-or-flight response. It is released by the adrenal glands.
What is Stress Response?
Stress hormone is epinephrine or adrenaline. It is secreted by the action of sympathetic nervous system which is a part of Autonomic Nervous System. Adrenaline controls tachycardia, blood glucose, and muscle tension.
This hormone helps an individual to prepare for the situation of danger or stress. Adrenaline hormone released from the adrenal glands which are present on the top of each kidney.
Justin is experiencing accelerated heartbeat, high blood pressure and sweaty palms due to secretion of epinephrine hormone.
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The extinction of the trilobite marks the end of the Paleozoic Era. This is an example of what type of change?
The extinction of the trilobite marks the end of the Paleozoic Era. This is an example of environmental type of change.
How extinction of the trilobite happen?About 251 million years ago, the mass extinction event removed over 90% of all species on Earth including trilobite. This mass extinctions were caused by extreme changes in temperature, changing of sea levels, catastrophic event, huge volcano eruption or an asteroid hitting the planet Earth. We know about these events because of the changes that occur in the fossil record. We can say that environmental change is the main reason for the extinction of trilobite from the planet earth.
So we can conclude that the extinction of the trilobite marks the end of the Paleozoic Era. This is an example of environmental type of change.
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what would your reaction be to a person's claim that they are right-brained or left-brained? in other words, is hemispheric specialization absolute or relative
The terms "left-brained" and "right-brained" are people who use the right side of their brains more are more creative, thoughtful and subjective, while those who tap the left side more are more logical, detail-oriented and analytical.
whereas those who use their left brains more are more logical, analytical, and detail-oriented.1,011 persons between the ages of 7 and 29 had their resting brain scans examined by researchers to determine their functional lateralization, or the distinct mental processes occurring on each side of the brain.Absolutely, certain brain functions take place on either one or the other side of the brain, according to Anderson. "While attention tends to be on the right, language is typically on the left. But neither the left nor right sides of people's brain networks are typically stronger.To learn more about brains.
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An individual has inflamed connective tissue in the lungs. Which of the following best predicts the effect of this inflammation on the individual?
An individual has inflamed connective tissue in the lungs which predicts that the individual will not breathe as efficiently, resulting in decreased oxygen levels in the body.
The mechanical structure and dynamic stability of the lung design are both supported by connective tissue. thus the connective tissue inflammation is related to the pleural membrane.
A membrane in the thorax called the pleura serves primarily as protection for the lungs.
Thus, the inflammation will cause problem in the exchange of the oxygen and carbon dioxide between the lungs membrane and the RBCs in the blood vessels and thus the individual will not be able to breathe properly and thus it will result in the decreased oxygen levels in the blood.
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Enzymes
Which of the following can be cofactors?
organic molecules
inorganic molecules
anions
cations
Answer:
organic molecules and cations
Blood readily moves through vessels because it contains a high volume of water. which property of water describes this ability?
The property that describes the ability of blood to move readily through vessels because it contains a high volume of water is: low viscosity.
Blood is the fluid that facilitates the transport of various substances across the whole body. It is a red-colored fluid that receives its color due to a pigment called hemoglobin. The substances that blood can transport are: gases like oxygen and carbon dioxide, waste material, hormones, immune cells, etc.
Viscosity is the property of fluids that determines the resistive power of fluids. The more a liquid is viscous, the more it has the resistive power to move or change its shape. Water has very less viscosity and hence can easily move or change shape according to the vessel it is present in.
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Scientists have observed the exponential growth of lionfish in the caribbean sea. Which of these predictions about the future of the lionfish population is the most likely to occur?.
Scientists have observed the exponential growth of lionfish in the Caribbean sea. The prediction about the lionfish population that is most likely to occur will be B. a limiting factor will cause the growth of the lionfish population to slow down, forming a pattern of logistic growth.
According to logistic growth, the population of a species will increase exponentially when favorable conditions are provided. However, the increase in population cannot occur forever and there will be a time when the carrying capacity will be reached by the concerned population. Due to one or more limiting factors, the population growth will slow down to maintain a balance.
In the case observed, scientists have observed exponential growth in the lionfish population in the Caribbean sea. After this phase, factors such as reduction in the number of prey, increased toxicity, increased competition, etc will play as limiting factors to slow down the growth of the population of lionfish.
Although a part of your question is missing, you might be referring to this question:
Scientists have observed the exponential growth of lionfish in the Caribbean sea. Which of these predictions about the future of the lionfish population is the most likely to occur?
A. The lionfish population will continue growing exponentially indefinitely.
B. A limiting factor will cause the growth of the lionfish population to slow down, forming a pattern of logistic growth.
C. A limiting factor will cause the lionfish population to decline rapidly, and eventually decrease to near zero.
D. The lionfish population will enter a cycle of increasing and decreasing numbers, typical of many predators and prey.
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1. What is the union of the sperm and egg called?
2.In which female reproductive organ does this union occur?
3.What is it called if the union stays in the wrong female reproductive organ and does not proceed to the uterus?
4.Can this pregnancy continue?
What is another name for the female egg?
Explanation:
1.)Fertilization:-it is also the fusion/union of a male sperm and a female egg
2.)fallopian tube:-insermination also occurs here
3.)Azoospermia:-
4.)No
another name for a female egg is the ova
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an eco system is ____ if it can continue to function over a long periods of time
Answer: Sustainable
Explanation: Sustainable eco systems are eco systems that are able to give themselves everything that they need to continue.
Select all features of ginkgophytes.
a. they have lost the gametophyte generation.
b. they produce sperm with flagella.
c. they produce fruits.
d. they are dioecious.
e. they produce seeds.
The features of ginkgophytes are:-
b. they produce sperm with flagella.
d. they are dioecious.
e. they produce seeds.
Ginkgophytes are the plants which belong to the division Ginkgophyta of Gymnosperms. These plants produce sperm which are flagellated. Ginkgophytes are dioecious, i.e. pollen-forming male reproductive structures and the female reproductive structures (ovules) are present on separate plants and not on the same plant.
Ginkgophytes produce seeds since they are Gymnosperms. However, these plants do not produce fruits. The entire reproductive cycle of the plant is completed in a period of about 14 months e.g. Ginkgo. Development of gametophytic phase takes place in the first year whereas, embryo development is completed by the time of spring in the next year.
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An elderly patient might understate or minimize the symptoms of his or her illness because:_________
An elderly patient might understate or minimize the symptoms of his or her illness because of decreased perception of pain.
How do perceptions work?In order to represent and comprehend the information or environment being given, perception involves the organization, identification, and interpretation of sensory data. All perception is based on neurological signals that are sent when the sensory system is chemically or physically activated.
Which 4 categories of perception are there?The several senses are frequently used to divide up the various sorts of perception. This encompasses all forms of perception, such as those involving sight, smell, touch, sound, and taste. We usually employ all of these at once to perceive our surroundings.
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manatees, aquatic mammals inhabiting florida’s rivers and coastal waters, swim close to the surface and are frequently killed in collisions with boats. to address the problem, boat traffic in manatee-populated waters is being required to maintain very low speeds. unfortunately, manatees are unable to hear low-pitched sounds and a boat’s sound lowers in pitch as the boat slows. therefore, this approach may in fact make things worse rather than better.
Fast-moving boat traffic can disturb or harm water hyacinth beds because the water hyacinth that manatees feed on develops best in water that is practically motionless.
In the scenario described in the question, it is said that manatees cannot hear the sluggish boats' low-pitched sounds, which could lead to more crashes and fatalities.
The response, if accurate, raises doubt about the findings since it makes sense for the boats to slow down even though the likelihood of hitting a manatee increases because the hyacinth that manatees eat grows best in calm water.
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Which of the following is not true about needles
Answer: they resist freezing
Explanation:
Which organelle is involved in generating vesicles destined for the cell membrane?
Explain why significant figures represent the precision of a measurement and not its accuracy.
Precision, on the other hand, refers to the variance you observe when you evaluate the same part again with the same tool. Accuracy, on the other hand, refers to the difference between both the measure and the part's real value.
Because there is less room for error in the approximated digit, measurements with more significant figures have higher repeatability or precision. A value with more significant figures is just more exact than a calculated values with fewer significant figures; it is not automatically more accurate. A value of 1.2 m, for instance, was measured using a less accurate measurement instrument, while a value of 1.5422 m was measured using a more exact measuring tool. The measurement made using the less accurate measurement instrument would be more precise if the measured object actually measured 1.19 m.
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Kohlberg used the Heinz scenario to create his stages of Moral Development.
True or false
Answer:
True
Explanation:
When moving from left to right across a period, ionization energy is increasing. By which other trend is this caused?
The ionization increases when it moves from left side to the right side of the periodic table.
When moving from left to right across a period, ionization energy is increasing. By which other trend is this caused?
If we see in the periodic table then we can easily see that, the first ionization gradually increases if we move left to right in the periodic table. The whole process occur due to the increase in nuclear charge, due to the result of which the valence electron more strongly bound to the nucleus. Generally the atomic radius decreases when it moves across the period, so due to which a greater attraction between the negatively charged electrons and positively-charged nucleus occurs.
So we can conclude that the ionization increases when it moves from left side to the right side of the periodic table.
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The ionization energy increases when it moves from left side to the right side of the periodic table.
Which other trend is this caused when moving from left to right?If we see in the periodic table then we can easily see that, the first ionization energy gradually increases if we move left to right in the periodic table. The process occur due to the increase in nuclear charge, due to the result of which the valence electron are strongly bound to the nucleus. We know that the atomic radius decreases when it moves from left to right across the period so due to which a greater attraction between the negatively charged electrons and positively charged nucleus occurs which present proton.
So we can conclude that the ionization energy increases when it moves from left side to the right side of the periodic table.
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