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maria [59]
3 years ago
15

3. What 3 ions play a crucial role in muscle contraction? (3 pts)

Biology
1 answer:
Alenkinab [10]3 years ago
6 0

Answer:

(1) Calcium binds to troponin C, causing the conformational shift in tropomyosin that reveals myosin-binding sites on actin. (2) ATP then binds to myosin. (3) ATP is then hydrolyzed.

Explanation:

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There is no difference in mental abilities between genders
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Please help.What would you expect to occur if you were to repeatedly lift 25 pounds over your head for 1 minute,
nordsb [41]

Answer:

Strengthen the arms.

Explanation:

If a person repeatedly lift 25 pounds of weight over the head for 1 minute and then rest for 1 minute, the outcome of this exercise is to strengthen the muscles of the arms. The lifting of weight with the help of arms, the muscles of the arms will get stronger and increase occurs in the width of the arms. This exercise done by bodybuilders to get their arms stronger as well as athlete for stronger arms and hand muscles so the outcome of lifting the weight will leads to the increase in the strength of the arms.

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The atoms or molecules that combine in a chemical reaction are called what
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Answer:

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4 0
3 years ago
How would a population decrease in primary consumers affect the ecosystem?
kicyunya [14]
A population decrease in primary producers would affect the ecosystem negatively because everyone who ate the primary consumers would have a lack of food.
3 0
3 years ago
Snapdragons are popular garden plants that produce brightly colored flowers. When a plant that is homozygous for white flowers i
elena-s [515]

Explanation:

Incomplete dominance is an intermediate effect of the dominance where the allele for a trait does not express its complete effect of a paired allele as a result both the alleles show their equal effect on the trait.

The generations are produced having a third trait as observed in the case of snapdragon flowers. In the case of flowers  

The allele which  

1. Determines the red color will be- R

2. Determines the white color will be- r

The monohybrid cross will have parents with genotypes:  

1. Red flower- RR

2. white flower-rr

The F₁ generation will have offsprings with genotype-  

RR X rr = Rr (Pink flower)

The F₂ generation will have offsprings with-  

Rr x Rr= RR, Rr and rr.

5 0
3 years ago
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