The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
Genetics experiments on the breeding of plants or animals are based on the laws of probability
Answer:
True
Explanation:
Answer:
True
Explanation:
Red blood cells are specialised animal cells.
Compare the structure of a red blood cell with the structure of a plant cell.
Answer: Plant cell have cell wall, chloroplasts, large vacuole and vacuole is present in the center of the cell but in red blood cell cell wall, chloroplasts is absent and small vacuole is present.
Explanation:
Red Blood Cells are a type of specialized cells which are found in animals. These cells are present in large quantity in the blood as they contain hemoglobin protein which is responsible for the transportation of gases in the body.
What are Red Blood Cells?
Red blood cells are the specialized cells which are present in the blood of animals. These are responsible for the red color of blood. These cells does not have a nucleus and other cell organelles. The organelles are absent as cells require more space for carrying hemoglobin and transport gases.
Plant cells have a cell wall, chloroplast, large vacuole which is present in the center of the cell whereas in red blood cell the cell wall, chloroplasts are absent. A RBC has no nucleus however plant cells contain nuclei. RBCs are concave in shape.
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How can a human survive if they are limited in carbohydrates but have sufficient lipids?
Humans can survive if they are limited in carbohydrates but have sufficient lipids because lipids can be broken down to obtain energy for cellular respiration in a process known as lipid catabolism.
What is lipid catabolism processing?Lipid catabolism processing is a complex chain of chemical reactions in which the fatty acids of lipids are oxidized to release energy, which is then used to synthesize ATP.
In conclusion, we can survive even in the absence of carbohydrates as a source of energy but consuming lipids because these last biomolecules can be biochemically degraded to obtain energy, a mechanism referred to as the catabolism of lipids.
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A car advertisement states that a certain car can accelerate from rest to 70 km/h in 7 seconds. Find the cars average acceleration
Answer:10 kmh
Explanation: it made it to 70 kmh in 7 seconds so 7x10 is 70 so 10kmh
or 2.7778 m/s
cyanobacteria do not rely on other organisms for nutrition, but they do depend on other organisms for waste product removal. which cyanobacterial waste product can be toxic to them? choose one: a. carbon dioxide b. urine c. glucose d. oxygen
Cyanobacteria produce the waste product oxygen that can be toxic to them.
Cyanobacteria are also known by the name blue-green algae. These are the photosynthetic bacteria. They are also involved in the process of nitrogen fixation. Cyanobacteria are one of the earliest organism's that emerged in the world.
Since cyanobacteria are also involved in nitrogen -fixation activity. Hence they possess the enzymes for nitrogen fixation, which are sensitive towards oxygen. In the presence of oxygen, the nitrogen-fixing enzymes get inactivated. This is the reason why oxygen proves to be toxic to cyanobacteria. However, cyanobacteria do have a mechanism to carry out nitrogen-fixation separately in the chamber called heterocyst.
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5. which of these variables effects on diffusion and osmosis were tested in this lab. choose all that apply by highlighting or underlining the variable.
The variables which affects the rate of diffusion and osmosis includes Temperature, solubility of molecules, size of molecules, concentration gradient, polarity of molecules.
What is diffusion?
The movement of molecules along a concentration gradient is known as diffusion. It is a significant process that all living things go through. Diffusion facilitates the flow of materials into and out of cells. Until the concentration gradient is the same everywhere, the molecules travel from the region of higher concentration to a region of lower concentration.
There are several variables that have an impact on the diffusion and osmosis processes, and they each separately and collectively change the rate and extent of diffusion. These elements consist of:
Temperature.Interaction Zone.The particle's size.the gradient of concentration's steepness.Complete Questions
What are the variables which effects on diffusion and osmosis were tested in this lab? choose all that apply by highlighting or underlining the variable.
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Which type of microscopy is useful in the clinical microbiology laboratory to identify antibody-labeled specimens:_______
In the clinical microbiology laboratory, fluorescence microscopy is effective for identifying specimens that have been labeled with antibodies.
What is fluorescence and an example?For instance, when exposed to UV light, minerals and gemstones frequently produce visible hues. When exposed to UV or X-rays, materials such as diamond, rubies, emeralds, calcite, amber, etc. exhibit the same behavior. Bioluminescence is one of nature's best fluorescence examples.
What is the fluorescence process?By absorbing light energy, certain molecules can be stimulated to a higher energy level known as an excited state. Light energy is released as a result of the excited state's energy "decaying" or diminishing because it cannot be maintained for very long. Fluorescence is the name for this process.
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What is the answer to Modern Cell Theory states that
If somebody knows please tell me
(I'm in 6th grade and this is science)
The modern cell theory states that:
All living organisms (both plants and animals) are composed of one or more cells. The cell is the basic unit of structure and function in organisms. Cells arise from pre-existing cells.The credit for development of cell theory is usually given to two scientists: Theodor Schwann and Matthias Jakob Schleiden. They stated the first two postulates of cell theory a) living beings are composed of cells b) cell is the basic structural and functional unit of life. In 1855, Rudolf Virchow added the third postulate to cell theory. In Latin, this tenet states Omnis - cellula - e-cellula which means all cells come from previously existing cells.
Therefore, modern cell theory says that living beings are composed of cells, cell is the basic structural and functional unit of life and all cells come from previously existing cells.
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Suppose actively dividing eukaryotic cells were treated with a chemical that blocks the activity of the enzyme telomerase. What would happen to these cells?.
Cells would lose DNA at the ends of the chromosomes over many generations if treated with a chemical that blocks the activity of telomerase.
Telomerases are enzymes that add nucleotides to the ends of chromosomes since DNA polymerase III is unable to do so. It inserts TTAGGG sequences to the chromosomal ends roughly 1000 times. The inclusion of TTAGG sequences lengthens the original chromosome. Actively dividing eukaryotic cells treated with a telomerase inhibitor would be unable to duplicate the DNA at the tail end of their linear chromosomes.
As a result, the chromosomal ends are shortened. As cells divide, their chromosomes get shorter. Repeated sequences are added to the ends of the chromosomes, and the shortening process only shortens these sequences, leaving the major chromosomes containing genetic information intact. Telomeres therefore aid in the preservation of genetic information between generations.
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4. In our solar system, the constant "k" in Kepler's Third Law is equal to 1 if AU and Earth years are used. Suppose astronomers found a new planet, very close
to the Sun. If the average distance from the planet to the Sun were 1/4 AU, how long would the planet's period be?
O 1/32 of an Earth year
O 1/8 of an Earth year
1/4 of an Earth year
O 1/2 of an Earth year
5. Scientists discover two planets orbiting a distant star. The average distance from the star to Planet
If the average distance from the planets to the sun were 1/4 AU, how long would the planets period be 1/8 of an earth year. The average distance from the star to Planet A is 4 AU, and it takes 432 Earth days for Planet A to orbit the star.
According to Kepler's Third Law, as an orbiting planet's radius increases, so does the time of its orbit around the Sun. Thus, we learn that Mercury, the innermost planet, completes its orbit of the Sun in just 88 days. Despite the fact that Kepler had no knowledge of gravitation at the time he developed his three laws, Isaac Newton used them to derive his theory of universal gravitation, which explains the mysterious force behind Kepler's Third Law.Kepler and his theories played a critical role in improving our understanding of the dynamics of our solar system and served as a foundation for more recent models that more closely approximated the planetary orbits.To learn more about Kepler's Third Law.
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Compounds that contain hydrogen and oxygen are called organic.
true
false
Answer: False
Explanation: Organic compounds contain carbon and hydrogen (or other atoms). Carbon must be present in order to qualify as organic.
Enzymes are proteins capable of recognizing and binding to very specific small molecules, such as glucose. Which level of protein structure most directly leads to this binding specificity?.
Enzymes are proteins capable of recognizing and binding to very specific small molecules, such as glucose. The tertiary structure of protein leads to this binding specificity. The correct answer is option(c).
The tertiary structure of the protein is what gives proteins their three-dimensional structure. The fact that a protein's outer functional groups are visible on the outside is because of its three-dimensional structure. A protein can interact with other molecules because of these functional groups.
The ability of proteins to acquire a very specific structure is attributed to the tertiary structure. The "active site" is the region of a protein that is unique to an enzyme and where a specific molecule can bind. Specific molecules that can only fit into a particularly active site are responsible for binding at the active site.
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The complete question is:
Enzymes are proteins capable of recognizing and binding to very specific small molecules, such as glucose. Which level of protein structure most directly leads to this binding specificity?
Primary
Secondary
Tertiary
in a genetics experiment on peas, one sample of offspring contained green peas and yellow peas. based on those results, estimate the probability of getting an offspring pea that is green. is the result reasonably close to the value of that was expected?
There is a 0.733 percent chance of having green pea offspring.
The probability is somewhat near to the predicted value of 3/4, hence the answer is yes (0.750)
The probability of an event can be calculated using the formula
P = Favorable Outcome / Sample space.
Let A represent the occurrence of producing green peas, B represent yellow peas, and N represent the total amount of peas.
350 green peas make up one offspring.
There are 127 yellow peas in one offspring.
There are 477 peas in all.
Therefore, in the genetic experiment, event A occurs 350 times, while event B occurs 127 times.
Now, P = the proportion of green peas to all peas gives the likelihood of having green children.
p = n(A)/N
p = 350/477
p = 0.733
So, YES, the likelihood is almost equal to 3/4. ( 0.750 )
There is a 0.733 percent chance of producing a green pea offspring.
The likelihood is somewhat near to the predicted value of 3/4, hence the answer is yes (0.750)
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8. True or false: Wind turbines are a leading source of bird deaths
A. True
B. False
Answer:
False. Cats are far and away the leading cause of 'unnatural' bird deaths, followed by collisions with buildings, vehicles, electrical lines, and communications towers. Wind turbine collisions are relatively small compared to these other threats.
Explanation:
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You are doing a study on the enzymatic effects of lysosomes and want to follow the whole process from the formation of the enzymes to their use in the lysosome. In what location of the cell would you begin this observation?.
Answer: You are doing a study on the enzymatic effects of lysosomes and want to follow the whole process from the formation of the enzymes to their use in the lysosome. In what location of the cell would you begin this observation? Endoplasmic reticulum.
How do the sporophyte stage and gametophyte stage make a cycle ?
The diploid zygote, which eventually becomes the sporophyte, is produced by the fusion of the male and female gametes. When a diploid sporophyte reaches maturity, it produces spores by meiosis, which then divide through mitosis to create the haploid gametophyte. The cycle is continued when a fresh gametophyte develops gametes.
What is Sporophyte and gametophyte stage ?The sporophyte symbolises the asexual phase of the plant life cycle, and the gametophyte the sexual phase. Gametophyte and sporophyte are fundamentally different from one another because gametophyte is a haploid and created through meiosis, whilst sporophyte is a diploid and formed through mitosis.
Ferns go through two distinct stages in their life cycle: sporophyte, which releases spores, and gametophyte, which releases gametes. Sporophyte plants are diploid, whereas gametophyte plants are haploid. Alternation of generations is the name given to this type of life cycle.Learn more about Plant life cycle here:
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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?.
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. The best explanation for this observation is that proteins from parts of the cell membrane that were not bleached with the laser diffuse into regions of the membrane that were bleached.
Cell surface proteins can be described as the proteins that allow a cell to interact with signaling molecules. Cell surface proteins are present embedded in the cell membrane.
Cell surface proteins have the ability to show either rotational movements or lateral movements. These movements allow these proteins to diffuse from one part of the cell membrane to another.
In the scenario above, the cell became fluorescent again after bleaching it out because the membrane proteins had diffused from the region that was not bleached to the region that was bleached. The fluorescent antibody acted as a tag in determining the movement of cell surface proteins.
Although a part of your question is missing, you might be referring to this question:
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?
1. Proteins from parts of the cell membrane that were not bleached with the laser diffuse into regions of the membrane that were bleached.
2. The fluorescent antibodies are taken up by diffusion.
3. New fluorescent proteins are made by the cell.
4. The antibodies fall off of the proteins in the cell.
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: minimally-invasive midline posterior interbody fusion with cortical bone trajectory screws compares favorably to traditional open transforaminal interbody fusion
In comparison to the conventional open TLIF procedure, midLIF required less time to perform and resulted in less blood loss.
What is MidLIF?
For the treatment of degenerative disorders, lumbar spinal fusion can be achieved using a variety of surgical procedures. Although midline lumbar interbody fusion (MIDLIF) provides a legitimate substitute for the more conventional pedicle screw trajectory, transforaminal lumbar interbody fusion (TLIF) is the most widely used method. This study's objective is to assess the clinical results from a cohort of patients who underwent MIDLIF in a single facility during the first training phase of the surgical team.
In comparison to the conventional open TLIF procedure, midLIF required less time to perform and resulted in less blood loss. These variations compare favorably to reported tubular minimally invasive TLIF values in the literature. In comparison to typical open TLIF, patient reported results from 6 weeks to 24 months after surgery, hospital length of stay, and reoperation/readmission rates all preferred MidLIF.
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Astronomy Project : Earth-Moon-Sun System Model
Answer: Our solar system includes the Sun, nine planets and their Moons, comets and asteroids. These objects are sometimes called celestial bodies, and they are constantly moving, too. At the center of it all is the Sun. It takes the Sun 25 days to spin, or rotate, completely around.
A herd of deer lives in a forest where they eat the leaves of trees. The number of energy storage molecules in the trees and in the deer has increased. What has happened to the amount of carbon in the trees and in the deer?
The amount of carbon in the trees and in the deer . . .
a
has increased.
has increased.
b
has decreased.
has decreased.
c
has not changed.
has not changed.
d
is not related to the number of energy storage molecules.
Which of the following describes a metabolic pathway that is likely to result in a net release of energy?
Answer:
The metabolic pathway that releases energy by breaking down complex molecules into simpler substances is known as catabolism.
The insoluble fiber that provides the main structural component of plant cell walls is:________
Answer:
the answer is cellulose
determine all the possible modes of inheritance for the pedigrees. you are currently in a labeling module. turn off browse mode or quick nav, tab to items, space or enter to pick up, tab to move, space or enter to drop. pedigree a pedigree b pedigree c answer bank
Possible modes of inheritance for the pedigrees: A pair of alleles can inherit in one of three ways. Gregor Mendel (1822-1884), an Augustinian monk and botanist, demonstrated these patterns of inheritance using pea plant crosses.
The inheritance patterns are autosomal dominant, autosomal recessive, and X-linked.
Pedigrees and Inheritance Methods:
A pedigree is a chart that shows the blood connections between family members as well as which members of the family exhibit the trait or condition under investigation.
Pedigree Markers:
The pedigree symbols in the figures in this article are typical. Males are represented by squares, females by circles, while transgender or gender-neutral people are shown as diamonds for privacy purposes. Consanguineous marriages (marriages between blood relations) are indicated by a double line between the parents .
Building a pedigree is frequently the first step in finding a gene variant that causes a specific disease or feature. There are several words used in pedigree analysis.
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Which of these is a segment of DNA that contains the information necessary to produce a protein? A) a codon B) a gene C) a base D) a chromosome
Answer:
B. A gene
Explanation:
I hope it helps! Have a great day!
give 2-3 examples of fats.
Answer: Trans fat Saturated Fat And Unsaturated Fat
Explanation:
Answer:
Lipids
Fatty acids
Oils
i hope this helps you
a fast-acting insecticide was spayed n a large population of cockroaches. Some cockroaches that are resistant to this insecticide survived. this is an example of:
a) Survival of the fittest
b) Species traits tend to remain constant
c) The environment does not change
d) None of the above
Natural selection offers adaptability to the species to survive and resist changes in nature. It is called survival of the fittest in nature. Thus, option a is correct.
What is natural selection?The theory of evolution of life is based on the concept of natural selection by species. Accumulation of variations in the species over long period of time leads to evolution of species.
The variation in traits allows the species to adapt and survive with the changes in the environment. Those species which successfully resist the changes in their environment, grow and reproduce further. This is thus an example of survival of the fittest in nature.
Thus, natural selection was an important concept proposed by Charles Darwin to predict the course of evolution.
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When Kevin was younger, he was amazed by dinosaurs and was always very fascinated by their extinction. He wants to study animals and ensure they do not become extinct in the future. Which career in biology would be best for Kevin? Why?
The career in biology that would be best for Kevin is to become a paleontologist.
What do you mean by Animal extinction?Animal extinction may be defined as the complete process of termination or elimination of a particular organism's species through the impacts of numerous consequences.
The branch of biology that significantly deals with the detailed study of prehistoric species is known as paleontology. This branch of biology determines the characteristics of past living organisms on the basis of their fossils.
Therefore, the career in biology that would be best for Kevin is to become a paleontologist.
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The somatosensory cortex is in the __________ lobe. a. frontal b. occipital c. parietal d. temporal please select the best answer from the choices provided a b c d
The somatosensory cortex is in the (C) parietal lobe.
The frontal, occipital, parietal, and temporal lobes make up the distinct parts of the brain. Additionally, the frontal lobe's mortor cortex, which is located behind the parietal lobe's anterior portion, contains the somatosensory cortex. The postcentral gyrus is made up of the somatosensory cortex.
Additionally, it comprises of four separate fields or regions known as Brodmann's areas. The processing of afferent somatosensory input by the primary somatosensory cortex is essential for the integration of sensory and motor information required for dexterous movement. It gets tactile data from the body, which includes touch, pressure, temperature, and pain sensations.
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Please help!
Write the name of the r pyramid on the line above each pyramid. Then, below, explain the relationships among trophic levels that are shown by the pyramids.
The pyramids represents the hierarchical relationship between the different organisms at various trophic level represented in the form of ecological pyramids.
What do you mean by Ecological pyramids?Any of the progressively higher tiers in a food chain, where consumers are found at the primary, secondary, and tertiary levels and producers are at the bottom. Detritivores, commonly referred to as decomposers, are occasionally believed to have their own trophic level.
1.First Trophic Level: Autotrophs.
2. Second Trophic Level: Primary Consumers.
3. Third Trophic Level: Secondary Consumers.
4. Fourth Trophic Level: Tertiary Consumers.
5. Fifth Trophic Level: Quaternary Consumers
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Help this assignment has to be done by today and what does this even go under?