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gayaneshka [121]
3 years ago
8

What does the endosymbiotic theory propose about life?

Biology
1 answer:
Nonamiya [84]3 years ago
3 0

Answer:

That a symbiotic relationship evolved over time between primitive eukaryotic cells and the prokaryotic cells with in them

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Hydrolysis of which molecule is important for translation initiation, elongation, and termination?
abruzzese [7]

Answer:

D. GTP

Explanation:

Initiation of protein synthesis includes binding of mRNA to small ribosome subunit and initiation aminoacyl tRNA. The pairing of the anticodon of the initiating aminoacyl tRNA and initiation codon of mRNA requires GTP hydrolysis and marks the beginning of protein synthesis.  

Elongation stage of protein synthesis requires movement of the ribosome along the mRNA which in turn is facilitated by GTP hydrolysis. As the ribosome moves along the mRNA, the codon of mRNA bind to the respective anticodon of aminoacyl tRNA by using the energy of GTP hydrolysis. The GTPase activity of elongation factor Ef-Tu ensures the fidelity of the process.  

The release factors that recognize the stop codon and serve to mark the termination of protein synthesis use the energy of GTP hydrolysis during the process.

4 0
3 years ago
For some invertebrates that live in water, the sense of taste and the sense of smell are identical. Why do you think separate or
Flura [38]
The answer relates to the medium in which the sensed molecules travel. On land, animals detect a scent through organic molecules transported in the air. Land animals will experience a taste sensation by grasping an object using their mouth. Here, the organic molecules providing the sensation are transported by saliva or organic fluids of the object. So on land, there is a clear distinction between molecules transported in the wind and those that can be tasted. Water is a much more dense medium than air, and can carry small and large organic molecules, unlike air. Therefore, aquatic animals have little need for olfactory organs as all molecules can be 'tasted' from the water. 
7 0
4 years ago
(Only answer it if you know the answers)
zavuch27 [327]

Answer:

Groundwater is all the water that has penetrated the earth's surface and is found in one of two soil layers. The one nearest the surface is the <u>"zone of aeration"</u>, where gaps between soil are filled with both air and water. Below this layer is the "zone of saturation", where the gaps are filled with water.

Explanation:

Groundwater is the water found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.

<u><em>Hope this helps!</em></u>

3 0
3 years ago
Read 2 more answers
The virus is considered an exception to the cell theory because the mitochondria of the virus contain genetic material B. virus
likoan [24]

Answer:

The answer is B

Explanation:

6 0
3 years ago
How can erosion be slowed down?
Elodia [21]

by growing tress and by putting down hydro mulch as needed

8 0
3 years ago
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