1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anna35 [415]
3 years ago
7

What happens to contraction of a muscle cell if some of the Ca2+ that was released during a contraction is still in the cytoplas

m (sarcoplasm) when the next stimulus arrives? Group of answer choices The muscle contracts with the same tension generated as during the first contraction, because muscles contract in an all-or-none fashion. The muscle contracts with the same tension generated as during the first contraction, because the number of cross-bridges formed is always the same during a contraction. The muscle contracts with greater tension generated because there will be more Ca2+ in the sarcoplasm after the second stimulation, which will bind to more troponin molecules. The muscle contracts with greater tension generated because more troponin molecules bound means greater myosin-binding sites (active sites) are revealed on the actin, leading to a larger number of cross-bridges formed.
Biology
1 answer:
Kazeer [188]3 years ago
4 0
<h2>Muscle contraction in cytoplasm </h2>

Explanation:

  • Calcium stays in the sarcoplasmic reticulum until discharged by an improvement. Calcium at that point ties to troponin, causing the troponin to change shape and expel the tropomyosin from the coupling destinations. Cross-connect stick proceeds until the calcium particles and ATP are never again accessible.
  • ATP is basic to get ready myosin for official and to "revive" the myosin.
  • When the actin-restricting destinations are revealed, the high-vitality myosin head overcomes any issues, framing a cross-connect. When myosin ties to the actin, the Pi is discharged, and the myosin experiences a conformational change to a lower vitality state. As myosin consumes the vitality, it travels through the "power stroke," pulling the actin fiber toward the M-line.

You might be interested in
Need help! 40 points!
balandron [24]

Answer:

Row 3 should be it.

Explanation:

3 0
3 years ago
NEED HELP HURRY<br>_____ immunity occurs when a person's immune system responds to an<br>antigen.
Harman [31]

Answer:

The answer is Physical. Physical immunity occurs when a person immune system responds to antigen.

Explanation:

7 0
3 years ago
What are the roles of the structures L and I in Figure 33-5?
-BARSIC- [3]
Structure L and I are the superior and inferior vena cava. They bring de-oxygenated blood from the body into the right atria.
5 0
3 years ago
Name the different types of bio molecules.
Over [174]

Answer:

The four major types of biomolecules are carbohydrates, lipids, nucleic acids, and proteins.

Explanation:

5 0
3 years ago
What is solar thermal energy used to do?
tresset_1 [31]
This uses the suns energy instead of using fossil fuels. For instance solar panel.
5 0
3 years ago
Read 2 more answers
Other questions:
  • Does evolution occur at the individual or population level?
    14·2 answers
  • Energy produced from material that comes with living organisms is known as
    13·2 answers
  • Second-generation antipsychotic drugs bind to dopamine receptors and _____ receptors
    9·2 answers
  • How do the circulatory and endocrine system work together?
    10·1 answer
  • Proteins are broken down into _____ whereas fats are digested mostly into _____.
    8·2 answers
  • ___ is the growing of new plants from other plant parts?
    15·1 answer
  • Epithelial cells must be able to divide rapidly because they
    14·2 answers
  • What layer of the atmosphere is the most vital for supporting life on Earth?
    12·2 answers
  • How has genetics changed since the time of Mendel?
    13·1 answer
  • A nurse is explaining to another nurse the difference between first-generation antipsychotics and second-generation antipsychoti
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!