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Virty [35]
3 years ago
14

Place the following in the correct order _____ Actin and myosin form links _____ Acetylcholine crosses the gap at the neuromuscu

lar junction _____ Calcium is released into the sarcoplasm _____ Myosin cross-bridges pull actin filaments inward.
Biology
1 answer:
kicyunya [14]3 years ago
8 0

Answer:

The correct oder is given below:

Explanation:

The oder of the events during muscle conratction as as follows:

  1. Acetylcholine crosses the gap at the neuromuscular junction.
  2. Calcium is released into the sarcoplasm.
  3. Actin and myosin form links.
  4. Myosin cross-bridges pull actin filaments inward.
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Will award 40 points if correct!
professor190 [17]

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5 0
2 years ago
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The body loses water in a variety of ways. Put the water output mechanisms in order from greatest contribution to fluid loss (1)
kirza4 [7]

The maximum to minimum body water loss occurs by: Urine production, Skin losses, Lung respiration and minimum by Feces

<h3>What are the ways in which body loses water ?</h3>

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Physical exercise also influences increased respiratory water loss due to the increased expiratory volume and frequency of breathing. Various environmental elements like temperature, humidity, radiation, and atmospheric pressure mostly affect sweating and urine water loss.

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4 0
11 months ago
A)Exons 2 and 3 must have the same number of nucleotides. B)Exons 2 and 3 must contain an integral number of codons (that is, th
Thepotemich [5.8K]

Answer:

Statement C is the only one that is necessarily true for exons 2 and 3. It is also true for exons 7 and 8. While statements A and B could be true, they don’thave to be. Because the protein sequence is the same in segments of the mRNA that correspond to exons 1 and 10, neither choice of alternative exons (2 versus 3, or 7 versus 8) can alter the reading frame. To maintain the normal reading frame—whatever that is—the alternative exons must have a number of nucleotides that when divided by 3 (the number of nucleotides in a codon) give the same remainder. Since the sequence of the a-tropomyosin gene is known, it is possible to check to see the actual state of affairs. Exons 2 and 3 both contain the same number of nucleotides, 126, which is divisible by 3 with no remainder.

4 0
2 years ago
A radioactively labeled protein is made by cells and followed through various organelles in the secretory pathway. After six hou
kupik [55]

Answer:

The protein is targeted to Golgi apparatus.

Explanation:

Protein targeting or sorting is a process by which synthesized proteins are transported to their appropriate localizations in the cell or outside it. Proteins can be targeted to the inner space of an organelle (such as Golgi apparatus or endoplasmic reticulum) or its membrane, plasma membrane, or to exterior of the cell via secretion.  

Usually, protein contains signal sequence on the N terminus that is involved in destination targeting.

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2 years ago
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Aleonysh [2.5K]
It is passive diffusion
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3 years ago
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