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Advocard [28]
2 years ago
9

gg Calcium ions are released into the myofibrils by the __________, when activated by an impulse from a motor neuron.

Biology
1 answer:
Ivan2 years ago
8 0

Answer:

sarcoplasmic reticulum

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What is the Difference between DNA & RNA?
Travka [436]
DNA is deoxyribonucleic acid while RNA is ribonucleic acid !

DNA has base pair of adenine guanine thymine and cytosine.....while RNA has adenine guanine cytosine and uracil !

DNA is always double helix while RNA is mainly single helix !

DNA contains genetic info for 99℅ of organism while RNA is being catalytic and unstable than DNA is only present as genetic information holder in 1℅ !

DNA does not involve in protein synthesis directly but RNA has to !

for more difference, comment !
8 0
3 years ago
The base of a pyramid is built from organisms that primarily
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Answer:

Autotrophs

Explanation:

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4 years ago
_________is severe pain and constriction about the heart, usually radiating to the left shoulder and down the left arm and creat
White raven [17]

Answer:

Heart attack

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Heart attack is the death of a part of heart muscles and severe pain that causes heart constriction having pain in the chest which spread to the left shoulder and down the arm thereby causing the feeling of pressure in the chest.

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7 0
3 years ago
One of the products of the Kreb's cycle is
nevsk [136]
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6 0
3 years ago
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Which product would be excluded on a vegan diet?
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the answer to ur question is eggs bc eggs come from an animal
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