Answer:
Bottleneck effect, because it means most cheetahs could succumb to the same environmental stresses
Bottleneck effect, because it means most cheetahs could succumb to the same environmental stresses.
There is a decline in the population size in because bottleneck effect limit the genetic diversity of the species as only a small part of original population is there.What is bottleneck effect?The bottleneck effect refers to the way in which a reduction and subsequent increase in population's size affects the distribution of genetic variation among its individual.
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Based on this diagram label the positive and negative sides of the DNA fingerprint with a + and – sign.
We can say that the top of the gel, where the DNA samples were applied, is the negative side, while the bottom of the gel is the positive side.
We can arrive at this answer because:
DNA is a negatively charged molecule.For this reason, when DNA is applied in an electrophoresis vat, it must be placed in the negatively charged portion.This is because the electrophoresis vat will allow an electrical discharge to pass through the vat and drag the DNA from the negative side to the positive side.This movement allows the DNA to present a series of fragments of different sizes that will be observed in a fingerprint, such as the one presented in the question above.
In the figure below you can more accurately see the positive and negative sides.
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How can slime molds be both unicellular and multicellular?
what species do we consider good and which ones are bad
Answer:
We may consider bees good because they pollinate the plants that give us food crops. We may consider mosquitos bad because they can transmit malaria.
b cells that have been stimulated by interleukin-2 develop into _____.
_____are specialized photoreceptors that work well in low light conditions.
Answer:
Rods
Explanation:
Rods are specialized photoreceptors that function best in low-light conditions. They are a major part of our vision in dimly lit environments, as well as our perception of movement in our peripheral vision.
type of cells that do not have a nucleus or membrane-enclosed organelles.
Prokaryotes are organisms whose cells lack a nucleus and other organelles. Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique evolutionary lineages. Most prokaryotes are small, single-celled organisms that have a relatively simple structure.
what is mimicry in biology
Answer:
mimicry, in biology, phenomenon characterized by the superficial resemblance of two or more organisms that are not closely related taxonomically. This resemblance confers an advantage—such as protection from predation—upon one or both organisms by which the organisms deceive the animate agent of natural selection.
Explanation:
The cheetah is considered one of the fastest land animals on Earth. How does the cheetah get the energy to run? Construct an explanation to describe how the cheetah's energy and photosynthesis are related
Answer:
by resting and and a small amount of sleep
Explanation:
because the cheetah needs to rest it's body to maintain energy
it needs sleep as well
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Which two body systems control homeostasis?.
Answer:
The two body systems that control homeostasis are the nervous system and the circulatory system.
Explanation:
The nervous system controls everything you do, including voluntary and involuntary actions, and the circulatory system transports important nutrients to your cells to maintain a stable inner environment.
How is the Calvin Cycle different from the light dependent reactions?
A. It requires light
B. It takes place in chloroplasts
C. It takes place in the Stroma
D. It takes place in the thylakoid membrane
Which is not a major factor that influences the strength of a rock?
time
rock type
age of rock
temperature
Which of the following is TRUE of compact bone?
Answer:
c. It gives bone its white, smooth appearance.
Explanation: is correct
Which part of the nerve cell houses the nucleus?
Answer:
B. Cell body is correct (second posting of THIS)
Explanation:
HOW did this answer get deleted? I'm posting again to see if it stays or is someone reporting correct answers? I highly recommend EVERYONE post CORRECT results to quiz let instead of this site
the process of ending a conflict through cooperation and compromise is called
Answer:
the process of ending a conflict through cooperation and compromise is called. conflict resolution. the use of communication and, in many cases, compromise to settle a disagreement is known as. negotiation.
Explanation:
Which of the following has the greatest effect on the protein molecule produced
by a ribosome?*
A. The sugars in the RNA molecule
B. The nitrogenous bases in DNA
C. The hydrogen bonds in the tRNA
D. The phospholipids in the cell membrane
Answer:
The answer is B.
Explanation:
Depending on what order the nitrogen bases are used in the DNA will determine the opposite bases placed on the RNA making the sequence different, making the protein different.
The nitrogenous bases in DNA has the greatest effect on the protein molecule produced by a ribosome. Thus, option B is correct.
What are the nitrogenous bases in mRNA?Nitrogenous bases in mRNA are the sequence of amino acids. The translation is one of the two-stage events in protein synthesis. Protein synthesis is the process in which protein or polypeptide chains are synthesized by the DNA. This is the use of nitrogenous bases in mRNA.
The process of translation is similar to a smartphone app converts spoken English into Spanish as it involves the translation of the sequence of nitrogenous bases in mRNA molecules to the polypeptide or sequence of the amino acids.
Protein has been defined as the large macromolecules and biomolecules that are made up of long chains of amino acid. There has various function of protein such as DNA replication, speeding up chemical reaction, and helps to maintain the structure of cell.
Therefore, The nitrogenous bases in DNA has the greatest effect on the protein molecule produced by a ribosome. Thus, option B is correct.
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The first thanksgiving lasted
Answer:
for 3 days
Explanation:
Answer:
The first thanksgiving lasted for three days
Explanation:
dna is a double-stranded molecule made up of complementary, antiparallel strands. based on what you know about complementary base pairing, fill in the rest of the details in the figure.
The details in the figure correspond to the elements that the DNA strands have in their ends. Also, they correspond to the antiparallel strand with the complementary bases.
The DNA has two antiparallel strands with complementary bases (thymine, adenine, guanine, and cytosine). That is to say, that T pairs with A and G with C. Also, they have specific elements in their ends.
The 3' strand in its end has a hydroxyl (OH) group.The 5' strand in its end has a phosphate group.There is a complementary strand with its respective nucleotides that will pair with the other strand according to their specific bases (A-T; C-G)
In conclusion, the top left end of the 3' strand has a hydroxyl group, while the top right, the 5', has a phosphate group. The complementary strand will go the other way round, from 5' to 3', so the hydroxyl and phosphate groups would be on the right and the left, respectively. The bottom strand is the complementary one, and it runs from 3' to 5'.
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Axons from higher brain centers form motor tracts that descend from the brain into the white matter of the spinal cord and then synapse with somatic motor neurons in the ____________.
Motor output that is gotten from the spinal cord to skeletal muscles involves somatic motor neurons of the anterior gray horn. Many somatic motor neurons are regulated by the brain. Axons from higher brain centers form motor tracts that descend from the brain into white matter of spinal cord and then synapse with somatic motor neurons either directly or indirectly by first synapsing with interneurons that in turn synapse with somatic motor neurons.
Sensory receptors is known to detect sensory stimulus.
Sensory neurons often convey sensory input by nerve impulses through their axons. Their axon often start from sensory receptors into the spinal nerve and into posterior root.
From posterior root, axons of sensory neurons have 3 different choices of paths.
Axons of sensory neurons does start into the white matter of the spinal cord and moves up to brain as part of sensory tract.Axons of sensory neurons sometimes do moves into the posterior gray horn and synapse with interneurons that has its axons extend into the white mater of spinal cord and thereafter moves to brain as sensory tract.Axons of sensory neurons oftens moves into the posterior gray horn and synapse with interneurons which the synapse with somatic motor neurons.Axons that is gotten from spinal cord often synapse with other motor neurons in PNS.
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I have no idea what I'm doing
What does the type of animals and plants brought to the New World demonstrate about the needs of Pre-Columbian civilizations
Answer:
The answer would be D because Pre-Columbian civilizations didn't have any domesticated animals such as cows, chickens, and horses. This fact limited the accessibility to meat for the Pre-Columbian civilizations.Explanation:
retreat of alpine glaciers is caused by what process?
Answer:
Glaciers may retreat when their ice melts or ablates more quickly than snowfall can accumulate and form new glacial ice. Higher temperatures and less snowfall have been causing many glaciers around the world to retreat recently.
Explanation:
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¿Cuales son las funciones vitales de la célula?
Answer:
La célula es el ser vivo más simple y, por lo tanto, realiza sus tres funciones vitales: Función de nutrición. Función de relación. Función de reproducción.
Explanation:
Answer:
Cells can play out the three imperative capacities: nourishment, relationship, and generation.
Explanation:
how do ectotherms primarily control their body temperature?
Answer:
Ectotherms control their body temperature by relying on coverage of fur or feathers, which act as insulation. ... Brown fat has capillaries that transport heat throughout the body to warm it Brown fat cells have less cytoplasm, which prevents heat loss from the body.
Bryant Vaughn first worked for United States government as a forensic botanist in 1975, _____ after pollen analysis was first used by Lennart von Post.
Bryant Vaughn first worked for the USA government as a forensic botanist in 1975, 59 YEARS after pollen analysis was first used by Lennart von Post. L. von Post is considered the father of palynology.
Palynology refers to the discipline that studies plant pollen in both living and fossil forms of life.
Lennart von Post was a naturalist and geologist who is generally regarded as the father of modern palynology.
L. von Post published in 1916 a quantitative analysis of pollen grains entitled “Forest-tree pollen in south-Swedish peat layers”.
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Toll-like receptors are eukaryotic membrane proteins that bind with bacterial surface molecules and: ____________
a. cause the cell to phagocytize the bacteria.
b. activate the complement cascade.
c. cause the release of antibiotics to kill the bacteria.
d. form channels through which bacterial proteins can enter the eukaryotic cell.
e. cause the release of cytokines that trigger host defenses against the bacteria.
Answer:
release cytokines that trigger host defenses against the bacteria
Explanation:
the dye __ will be used to see the bands of dna on the gel.
please help
help help
Answer:
m= p+e
Explanation:
A drug that affects both divisions of the autonomic system is going to bind to, or block, which type of neurotransmitter receptor
A drug that affects both divisions of the autonomic system is going to bind to, or block the nicotinic neurotransmitter receptor
A chemical that the body produces to interact with those receptors is called an endogenous chemical, whereas a chemical introduced to the system from outside is an exogenous chemical.
Nicotine is not a drug that is used therapeutically, except for smoking cessation. When it is introduced into the body via products, it has broad effects on the autonomic system.
The nicotinic receptor is found on all autonomic ganglia.
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The levels of organization within an organism are atom, molecule, __________, tissue, __________, and organ system.
atomic number; element
cell; organ
compound; kidney
nucleus; membrane
Question 2(Multiple Choice Worth 4 points)
(04.01 LC)
Which is the smallest unit of life?
Organs
Molecules
Cells
Atoms
Question 3(Multiple Choice Worth 4 points)
(04.01 LC)
A substance that cannot be broken down into a simpler substance is called an __________.
animal
organ system
element
organism
Question 4(Multiple Choice Worth 4 points)
(04.01 LC)
Which is an example of a molecule?
Muscle tissue
Protein
Stomach
Unicellular organism
Question 5 (True/False Worth 4 points)
(04.01 LC)
Nonliving things have cells.
True
False
Question 6(Multiple Choice Worth 4 points)
(04.01 LC)
Which level of organization is formed when a group of organs work together to perform complex functions?
Molecule
Organ
Organ system
Tissue
Note: please answer correctly please do not send file link those do not work for me
Answer:
1. Cell; organ
2. Cells
3. Element
4. Protein
5. False
6. Organ system
Explanation:
How many mRNA codons are needed to make a protein that contains 5 amino acids?
a. 3
b. 5
c. 10
d. 12
Answer:
A.3
Explanation:
I got no explanation for this only thing i know is that 3 codes are needed as three basic is one codons maybe