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aliya0001 [1]
3 years ago
13

Please help me on this!

Biology
1 answer:
scZoUnD [109]3 years ago
8 0

Answer:

im pretty sure its B

Explanation:

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The presence of a negative allosteric effector on an allosteric protein would: a. cause a shift to the left in the sigmoidal cur
Feliz [49]

Answer:

d. raise the apparent value of the equilibrium constant, L.

Explanation:

Allosteric regulation is a type of regulation of an enzyme by binding an effector molecule at a site other than the protein's active site (i.e., the allosteric site). The equilibrium constant (L) refers to the transition between two forms of an allosteric protein in absence of a ligand. The properties of allosteric enzymes are explained by conformational changes associated with a low-affinity tense (T) state, or a high-affinity relaxed (R) state. Negative allosteric effectors are molecules that bind to the allosteric site on an enzyme in order to decrease its activity, thereby leading the enzyme to a low activity T state and thus increasing the value of the equilibrium constant.

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3 years ago
1 What is the structure<br> enters and leaves<br> that regulates what<br> the cell ?
kumpel [21]

Answer:

If I remember correctly, its "the plasma membrane".

Explanation:

The plasma membrane is the outer part of the cell and it can control what ever leaves the cell.

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3 years ago
4. Chargaff's research had shown that there are four monomers in DNA, in which two are always present in equal
viva [34]

Answer:

The monomers of DNA are individual nucleotides: cytosine,  guanine, adenine, and thiamine,  (A, T, C, G, respectively). Since DNA is a double-stranded molecule, each nucleotide has a match that chemically interacts with it to form nucleotide pairs

Explanation:

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Your biology teacher has asked you to do the impossible! You must measure the diameter of one algal cell. You are about to turn
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C.
It is d, becuase you divide 500 by 15, and that is the closest answer
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The original remains of ancient animals such as saber-toothed cats have been perserved in _____.
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