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
alexdok [17]
4 years ago
11

The blood-testis barrier:

Biology
1 answer:
hram777 [196]4 years ago
8 0

Answer:

R/ Protects sperm antigens from exposure to the cells of the immune system.

Explanation:

In mammals there is a barrier (blood-testis barrier) within the seminiferous tubes formed by tight junctions between Sertoli cells that separates spermatogonias from primary spermatocytes. This barrier separates the seminiferous tube into two compartments, the basal and the adluminal. The basal compartment between the basement membrane and the tight junctions can be accessed by elements of the plasma and  immune cells, while the second compartment is not.

You might be interested in
Opposable thumbs help primates because with them they can
Zina [86]

Grip and hold things

3 0
3 years ago
After Darwin proposed his ideas about natural selection as a mechanism for evolution, it took time before evolution was generall
sashaice [31]

politics tbfh but this answer has to be 20 characters sooooooooooooo


3 0
4 years ago
Read 2 more answers
With more carbon in the atmosphere, what do you think will happen to the environment
Vladimir [108]

Answer:

Global warming

Extra carbon dioxide in the atmosphere will increases the greenhouse effect. More thermal energy is trapped by the atmosphere, causing the planet to become warmer than it would be naturally. That increases the Earth's temperature which is also called Global Warming

5 0
4 years ago
What do cells in prokaryotes and eukaryote contain?
gavmur [86]

Here's some tips that should help: All cells, both prokaryotic and eukaryotic, have genetic information in the form of DNA. They also have ribosomes that translate genetic information into proteins. All cells also have a cell membrane that protects the contents of the cells. Inside the membrane, all cells have a gel-like substance known as the cytoplasm.
3 0
3 years ago
Which element makes up 65% of living things?
muminat

Answer:

Oxygen

Explanation:

Oxygen (65%) and hydrogen (10%) are predominantly found in water, which makes up about 60 percent of the body by weight.

3 0
3 years ago
Read 2 more answers
Other questions:
  • What's the maximum amount of electrons that will fit on an outermost shell of an atom?
    9·1 answer
  • Without this process life would cease to exist because it is the first step in energy transfer from the sun.
    15·2 answers
  • What is a Chromosome
    6·1 answer
  • Affinity chromatography can be used to purify proteins such as growth factor receptors. The ligand of the growth factor receptor
    11·1 answer
  • What is symbiosis? What are the three major types of symbiosis?
    6·2 answers
  • What are characteristics that are passed from parent to offspring known as?
    14·1 answer
  • What would happen if a new cell does not contain chromosomes?
    5·1 answer
  • which of the following statements is true? hydroelectric power does not damage the environment. waste from nuclear power plants
    10·2 answers
  • Explain how the birds differed.
    12·1 answer
  • In the fall, the leaves of some trees change color. This happens because chlorophyll breaks down and the accessory pigments beco
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!