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goblinko [34]
2 years ago
11

What mechanisms are in place to prevent the continuous stimulation of a muscle fiber after the neurotransmitter is released from

the presynaptic membrane?
Biology
1 answer:
Leya [2.2K]2 years ago
8 0
Synaptic AcetylCholinEsterase (AChE) enzyme breaks down the AcetylCholine (ACh) neurotransmitter
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Where does the bald eagle get energy? Check all that apply.
Taya2010 [7]
I will say Large piscivorous fish since i figure that it eats it.
3 0
1 year ago
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The ATP that is generated in glycolysis is produced by substrate-level phosphorylation, a very different mechanism than the one
Gwar [14]

Answer:

The correct statements are a, b and d. The incorrect statements are c and e.

Explanation:

Substrate level phosphorylation signifies the generation of ATP from ADP and a phosphorylated intermediate. On the other hand, in oxidative phosphorylation, the formation of ATP takes place from ADP and Pi, that is, an inorganic phosphate.  

In substrate-level phosphorylation an enzyme is needed for the reaction to take place. In the process, a dissociation of bond takes place between an organic molecule and a phosphate prior to the formation of ATP. In this, one of the substrates is a molecule obtained from the dissociation of glucose.  

In substrate-level phosphorylation, the enzyme taking part in the synthesis of ATP is not required to get attached to the membrane to generate ATP. The phosphate group, which is added to ADP to produce ATP does not come from free inorganic phosphate ions.  

6 0
2 years ago
Read 2 more answers
Explain the relationship among
Iteru [2.4K]

Answer:

There is an important relationship among  homeostasis, defective mitochondria, and the  symptoms caused by LHON.

Explanation:

There is a great relationship among  homeostasis, defective mitochondria and the  symptoms caused by LHON because defective mitochondria disturbs the homeostasis in the body. If mitochondria works properly, homeostasis will be maintained whereas if there is any defect occurs in the mitochondria then the whole homeostasis will be adversely affected because mitochondria is the powerhouse of the cell responsible for the production of energy for the cell. Symptoms occurs due to Leber's hereditary optic neuropathy (LHON) also effected the state of equilibrium in the body.

6 0
2 years ago
Ground squirrels are found in many areas of the United States. They live in underground burrows and are often attacked by birds
Ket [755]

The population of the ground squirrels will be limited by the population of the hawks. The population of the hawks, thus, will be a limiting factor for the population of the ground squirrels. The Hawks are the birds of prey that feeds on squirrels. With the increased number of hawks in the same area as them will put these squirrels in danger. The population of the tree squirrels, however, will have no affect on the population of the ground squirrels. The genetic variability and breeding season are not limiting factors for their population either.

Hence, the correct answer is 'option B - a population of hawks'.

4 0
2 years ago
Read 2 more answers
Total nucleic acids are extracted from a culture of yeast cells and are then mixed with resin beads to which the polynucleotide
mr Goodwill [35]

The question is incomplete as it does not have the options which are:

(a)DNA (b)tRNA (c)rRNA (d)mRNA

Answer:

Option-mRNA

Explanation:

The mRNA is synthesized from the DNA and which is also a type of nucleic acid. When the nucleic acid is extracted from the yeasts and then mixed with the resin beads to which the polynucleotide with thymine base oar is attached.

The mRNA will bind to the resin bead as the mRNA after synthesis undergoes modification and attaches poly A tail to the end of the mRNA at 3' end.

This poly-A tail has adenine which easily binds to the thymine and thus mRNA easily attaches to the resin bead.

Thus, mRNA is correct.

5 0
1 year ago
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