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svetoff [14.1K]
3 years ago
5

Which of the following is TRUE of species interactions?A) They can act as agents of natural selection.B) The outcome of any spec

ies interactions is static through time.C) They do little to affect species distributions.D) They cannot affect species abundance.
Biology
1 answer:
ddd [48]3 years ago
3 0

Answer:

The answer is A they can act as agents of natural selection. Hope this helps.

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Use numbers to indicate the order of steps in the pyruvate dehydrogenase complex: 1. _______Decarboxylation of pyruvate to an al
liubo4ka [24]

Answer:

1-4-2-3-5

Explanation:

The PDHC is made up of multiple copies of 3 different enzymes: pyruvate dehydrogenase (PDH, E1: 20-30 copies), dihydrolipoamide S-acetyltransferase (DLAT, E2: 60 copies) and dehydrogenase dihydrolipoamide, (DLD, E3: 6 copies). The complex also requires five different coenzymes: CoA, NAD +, FAD +, lipoic, and thiamine pyrophosphate (TPP). Three of the complex coenzymes are closely linked to the complex enzymes (TPP, lipoic acid, and FAD +) and two are used as carriers of the products of PDHC activity (CoA and NAD +). The pathway for oxidation of PDH from pyruvate to acetyl-CoA is a diagram below.

6 0
2 years ago
What would happen if cytokinesis did not work properly?
djverab [1.8K]
I believe the answer is 3 because if cytokinesis would not work properly cells would have multiple nuclei
7 0
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Suppose a person has a small intestine that has fewer villi than normal.would the person most likely be overweight or underweigh
mixas84 [53]
Overweight because there is no room because of the amount of fat that is taking up space
4 0
3 years ago
As DNA replication continues and the replication bubble expands, the parental double helix is unwound and separated into its two
Korolek [52]

Answer:

DNA replication is initiated by the help of these enzymes.

Explanation:

Helicase enzyme helps is unwinding the two complementary strand of DNA by hydrolysing the hydrogen bonds present between the nitrogenous bases of the two opposite strands.

Topoisomerase enzyme help in expansion of the Replication bubble by releasing the super coiling or tension occured while unwinding by helicase. It breaks the phosphate bonds in one of the two strands ahead of replication bubble or fork to release super coiling or overwinding.  

Single-strand binding proteins gets bind to the separated strands to stabilize the structure of Replication bubble or to keep the both strand separated from each other.

4 0
3 years ago
If the pinsulin receptor, a, example of an integral membrane protein, is cotranslationally inserted into the ER membrane with th
kicyunya [14]

Answer:

The correct answer is option C.

Explanation:

As the proteins are produced in the endoplasmic reticulum membrane, they amalgamate with the vesicles and then they are conducted towards the membrane's cell surface where they act as an integral membrane protein.  

The outer end will bind with the ligand and the other one will get attached towards the cytoplasm. Thus, the pinsulin in the given case will combine with the C terminus of the protein.  

3 0
2 years ago
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