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
antiseptic1488 [7]
3 years ago
15

A muscle cramp is a sudden, painful contraction of a muscle, during which movement is difficult. What is happening at the cellul

ar level during a
muscle cramp?
A. Myosin and actin do not fully detach, so the muscle cannot relax
B. A lack of calcium causes the sarcomeres to lock together, preventing relaxation.
C. The motor neuron does not send a signal, so the muscle cannot relax.
D. The proteins in the myofibrils become denatured, preventing relaxation.
Biology
1 answer:
rewona [7]3 years ago
6 0

Answer:

The correct answer would be B

Explanation:

You might be interested in
What functional group is found in an aldehyde?
marta [7]
An aldehyde is an organic compound containing a group with the structure −CHO, consisting of a carbonyl<span> center </span><span>with the carbon atom also bonded to </span>hydrogen<span> and to an R group</span>
8 0
3 years ago
During an experiment, readings for blood pressure in a person’s body were found to be constant. However, when measured by a diff
DENIUS [597]

Answer:

This difference indicates that the results are precise but not accurate .

Explanation:

Precise results are those that are very close to the actual result, but do not achieve exactly the same result. In addition, this difference between the precise results is exactly the same. We have an example of this in the case shown in the figure above, where the blood pressure readings measured by the cuff differ by 15 points for each reading. This case also shows us that the results are not accurate, because this type of result is one that shows a result exactly the same as the real one.

7 0
3 years ago
SOMEONE HELP ME PLSSSS IT'S AN EMERGENCY :(((
hram777 [196]

Answer:

I belive the answer is  C

Explanation:

6 0
3 years ago
Will give brainliest:
yaroslaw [1]
The answer A. DNA in the nucleus controls all cell activity.
3 0
3 years ago
Read 2 more answers
which of the following is true of an enzyme?(2 point) 1. it's a protein 2. it's a catalyst 3. it binds to many different substan
astra-53 [7]
All of these four options are true for an enzyme. because an enzyme has all of these properties.
4 0
3 years ago
Other questions:
  • Which of the following pairs of structures share the function of rewarding water into the body
    14·2 answers
  • One can reduce their risk of being struck by lightning by avoiding isolated trees and open terrains. True False
    13·1 answer
  • Definition of environmental science
    15·2 answers
  • What are the four types of tissues found in the human body and what are the primary functions of each one.?
    11·1 answer
  • If there is an increase in stimulation by the sympathetic nervous system
    9·1 answer
  • In terms of base nucleotides, explain the only difference between the DNA message for normal hemoglobin and the DNA message for
    10·1 answer
  • Which chamber of the heart pumps blood to the rest of the body
    13·1 answer
  • What changes in natural ecosystems are caused by the ongoing global warming process?
    10·2 answers
  • Can somebody help me .
    9·1 answer
  • How do the molecular components in carbohydrates compare to the molecular components in amino acids?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!