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Rom4ik [11]
3 years ago
8

What is the original source of variation that natural selection can act upon?

Biology
1 answer:
Vadim26 [7]3 years ago
6 0
Answer:  "mutations" .
_______________________________________
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_________ medicine is focused on growing specialized tissues for spinal cord injuries, diabetes, cancer, multiple sclerosis, Par
maw [93]

Answer:

Regenerative medicine

Explanation:

Regenerative medicine can be defined as a branch of translational research in tissue engineering and molecular biology that deals with replacing, engineering or replace human or animal cells, tissues or organs to restore normal functioning.

It also develops method to regrow, repair or replace damaged or diseased cells, organs or tissues.

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3 years ago
Which lists the steps of moitosis in the correct order?<br><br>PLZ ANSWER QUICK​
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Which type of motor units are activated for the longest time during low to moderate level exercise?
Furkat [3]
Motor unit refers to the functional element of muscle contraction during an exertion. There are two basic types of motor unit: large and small motor units. During low to moderate level exercise, small motor units are activated. Small motor units are recruited during sustained activity; is made up of high proportion of type 1 muscle fibers, which are resistant to fatigue 
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What type of bond holds Na and Cl together?
mojhsa [17]
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3 years ago
Which of the following type of cell possess a large quantity of mitochdria
ruslelena [56]

Answer:

eukaryotic cells

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