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
julia-pushkina [17]
3 years ago
5

A muscle cell contracts or expands when

Biology
1 answer:
yanalaym [24]3 years ago
3 0

Answer:

Walking

Explanation:

A muscle cell usually contracts or expands simultaneously when one is working or doing some activities like running, exercises, house chores e.t.c

Muscles are flexible fibers that are very essential appendages for locomotion in human beings.

For muscle cells to contract, they are pulled together thereby causing tension in the muscle. When they are relaxed, they move away from one another.

You might be interested in
About four or five days after fertilization, a group of cells forms a ball-like
Masteriza [31]

Answer:

About four or five days after fertilization, a group of cells forms a ball-like

structure. What is the name of this structure?

After fertilization, a zygote is formed afterwards which carries the genetic materials passed across from both parents

Explanation:

6 0
3 years ago
Read 2 more answers
If the line graph has a broken line between the points, then _____.
kodGreya [7K]

the data is not actual data and is only an approximation. I got 100 on a test, your welcome))

4 0
3 years ago
Read 2 more answers
A person eats a candy bar, and the sugar level in her blood gets very high. Her body releases insulin into her blood. The insuli
photoshop1234 [79]
Answer: homeostasis









reason:
7 0
3 years ago
"why is it necessary to obtain overlapping sequences when performing genomic sequencing?"
sergiy2304 [10]
So you know how it fits together, the ordering of the sequence.
3 0
4 years ago
Read 2 more answers
A strain of bacteria has a CRISPR-Cas system, but a mutation has destroyed the function of the Cas9 gene. How will the strain of
bogdanovich [222]

If mutation destroys the function of the Cas9 gene then the bacteria will not be able to target a specific bacteriophage for destruction upon infection for the second time.

<h3>What is the Cas9 gene?</h3>
  • Cas9 is a 160 kilodalton protein that plays a vital role in the immunological defense of certain bacteria against DNA viruses and plasmids and is heavily utilized in genetic engineering applications.
  • Its main function is to cut DNA and thereby alter a cell's genome.
  • Although Cas9 is an endonuclease and is evolved as a mechanism of immunity against viruses, they are not considered restriction enzymes.

To learn more about the Cas9 gene,

brainly.com/question/22549100

#SPJ4

7 0
2 years ago
Other questions:
  • True or false: A beach that has an abundant sand supply is said to be a "healthy" beach.
    15·1 answer
  • Several different species of birds, including heron, flamingos, and skimmers, can all successfully feed along the coast because
    13·1 answer
  • A body part that must resist unpredictable stress from multiple directions would likely be composed of which tissue
    7·1 answer
  • Why is Louis Pasteur considered the national hero of France?
    13·1 answer
  • A. A drug store receipt is 22 inches long. Convert this length into kilometers
    10·2 answers
  • What is the symptom of marasmus disease<br>pls tell any 2 symptom of it <br>in short pls ​
    5·2 answers
  • A substance that influences the reaction but does not participate in the reaction is a
    10·2 answers
  • Please help!! the sooner the better
    7·1 answer
  • Anthony Hoffnagle was well until after 6 months of age when he was hospitalized for pneumonia 5 times in the same year. A consul
    14·1 answer
  • 2. Categorizing Information Explain what U.S.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!