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
Shkiper50 [21]
3 years ago
6

A muscle contracts in response to an electrical signal that signals the ______________, the unit of contraction, to shorten.

Biology
1 answer:
Ierofanga [76]3 years ago
3 0

Answer:

Sarcomere

Explanation:

A sarcomere is the basic contractile unit of muscle fiber. Each sarcomere is composed of two main protein filaments—actin and myosin—which are the active structures responsible for muscular contraction.

You might be interested in
All of the following are advantages of decentralization except
r-ruslan [8.4K]

Answer:

A. Decentralization delegates authority to top managers.

Explanation:

Decentralization has downsides which includes; Diverse policies and procedures adhered to by different units makes coordination hard, it brings about a  waste of Resources, and  larger interests of an Enterprise becomes neglected.

3 0
4 years ago
What are stem cells? Where do stem cells come from? Why are they important?
irakobra [83]
Stem cells are cells of the body that can divide and become differentiated. stem cells specialise and take specific functions when an organism grows
mature tissues such as muscle, blood, tissue, bone, nerves, liver all have different types of cells.

they come from three to five day old embryo cells.

they represent potential in the regeneration and repair of damaged tissue. some therapies actually currently use stem cells for this reason
4 0
3 years ago
For what percentage of time has life existed on earth (round to the nearest whole number
g100num [7]
82.6 I'm sure since your rounding to the nearest whole number
5 0
3 years ago
Someone help pleaseee
Tanzania [10]

Answer:

option b i think so i think its correct

6 0
3 years ago
I need help filling in the square and the question on the bottom
Licemer1 [7]

Answer:

light brown is domonant and brown fur is recesive

Explanation:

8 0
3 years ago
Other questions:
  • Why do you think species become extinct?
    11·2 answers
  • When the lymphatic structures of a limb are blocked due to tumors, the result is?
    14·1 answer
  • The 3 domain system recognizes fundamental differences between the two groups
    14·1 answer
  • ______are short and stout.<br> a. Endomorphs<br> b. Ectomorphs<br> c. Mesomorphs
    14·2 answers
  • Multiple Choice
    12·1 answer
  • If our orbit around the sun slowed down how would that affect the way we observe constellations?
    12·1 answer
  • What is a phenotype?​
    10·2 answers
  • Why do animal cell burst in pure water ​
    8·1 answer
  • Megan observes four cells under a microscope and makes sketches of them as shown. Identify whether the cells are prokaryotic or
    15·1 answer
  • Define the term GOD cell.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!