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VMariaS [17]
3 years ago
5

In terms of environmental economics, the only factions that disagree with one another are environmentalists and economists.

Biology
2 answers:
Anika [276]3 years ago
7 0
I think the answer is<span> TRUE</span>
Ilya [14]3 years ago
7 0
That answer is false.

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Comment on why do you think cells prefer to use carbohydrates as a source of energy before they use fats and proteins.
kompoz [17]

Answer:

This can be explained  based on structure, and on metabolisms of  carbohydrate.

Explanation:

Carbohydrate has a relatively simple structural composition than the  either protein or fatty acids. The C, H and Oxygen molecules are of  relatively fewer in number and few  chains than fats and protein.Thus  cells will spend less energy to break bonds(catabolisims) among these molecules during cellular respiration  pathways  to trap the energy.

In addition glucose the end products of carbohydrate did not need any processing before it enters glycolysis, Kreb's Cycle and oxidative phosphorylation pathways to generate energy for the cells.

Conversely, for protein to be used it has to be first deaminated(removal of amino acid) by the liver  before it enters glycolysis,while fats needs to  be broken down and undergo beta oxidation   with the long chains removed  before it can  form acetyl CoA. Therefore cells will prefer few steps, less endergonic  pathways of glucose than longer more endergonic amino acids  and fatty acid pathways.

Furthermore, glucose can be used in cellular respiration to  produce energy either aerobically or anaerobically, while fats can only be used anaerobically. Therefore, since cells usually prefer to thrive in aerobic conditions they  breakdown glucose easily during this period, and when lack of oxygen occurs they switched to anaerobic, Thus, the versatility of glucose to oxygen concentration makes glucose a better choice. Besides if fats was used anaerobically, ketone bodies build up which may be toxic to the cells.

4 0
3 years ago
A research laboratory uses a cancer cell line that has undergone thousands of cell cycle divisions in the laboratory without any
natta225 [31]
The answer is:  [B]:  "Very low levels of telomerase."
________________________________________________________

<span>     The cancer cell line is therefore likely to express <u>  very low levels of telomerase </u><u /> .
____________________________________________________________
</span>
5 0
3 years ago
Which of the following is inaccurate in relation to viruses?
Mariulka [41]
The answer is D.They reproduce independently. It is false because they need a host and can't survive by themselves.

<span>♡♡Hope I helped!!! :)♡♡
</span>
6 0
3 years ago
Read 2 more answers
According to the basic host–pathogen model, if the combined death and recovery rate from a disease doubles, and the effectivenes
S_A_V [24]

Answer:

A. decrease by half.

B. stay the same.

C. double.

Explanation:

Host-pathogen models resembels the host-parasite models and predator-prey which is used to evaluate the evolutionary strategies of pathogens.

The host-vector-pathogen system can be demonstarted as a change in the number of 4 types of people: healthy hosts, uninfected vectors, infected hosts, and infected vectors.

The threshold density should decrease by half, stay the same, or double, according to the standard host-pathogen model, if the combined death and recovery rate from a disease doubles, and the ability of the disease to spread from infected to uninfected persons.

Hence, the correct options are A. decrease by half, B. stay the same, and C. double.

6 0
3 years ago
A genetic mutation causes disease when the blank the DNA encodes is altered such that it no longer functions properly
Savatey [412]

Answer:

protein

Explanation:

4 0
3 years ago
Read 2 more answers
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