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
ankoles [38]
2 years ago
12

Differentiate between positive and negative mass selection.

Biology
1 answer:
Eduardwww [97]2 years ago
7 0

Answer:

Positive selection involves targeting the desired cell population with an antibody specific to a cell surface marker (CD4, CD8, etc.). ... Negative selection is when several cell types are removed, leaving the cell type of interest untouched.

You might be interested in
The longest subdivision in geologic time is a(n) ____. a. epoch c. century b. period d. eon   Please select the best answer from
Serjik [45]
The answer to the question is d. eon
7 0
3 years ago
Read 2 more answers
The three basic parts of the neuron can be likened to an arm, where the fingers represent the _____; the palm of the hand repres
Nadya [2.5K]

Answer:

The correct answer is D) dendrites; cell body; axon

Explanation:

Neurons cells makes the nervous system and are responsible for carrying the information from one body part to the other body parts. A neuron has three distinct parts dendrites and axon.  

Dendrites are the neurons extension which receives the impulse and transfers to the cell body. We can link dendrite with our fingers. Cell body is a spherical part of neuron like our palm and it controls all functions of the cell. Then from cell body signals are transferred to axons.

Axon is a long part of the nerve cell like our hand which helps in transmitting the signals to the next neurons. Therefore the correct answer is D.

6 0
3 years ago
What is the most common cause of cultural eutrophication?
frosja888 [35]

Answer:

d

Explanation:

The use of fertilizers is the leading cause of eutrophication. The use of fertilizers, especially nitrate and phosphate fertilizers on farms, lawns, and golf courses, result in the accumulation of phosphate and nitrate in the nearby water body sources

4 0
3 years ago
74 points!!!!
jek_recluse [69]

Answer:

HELLO

Explanation:

4 0
3 years ago
Which oragisms do primary consumers mainly eat?
torisob [31]
A producer

Hope this helps :)
4 0
3 years ago
Read 2 more answers
Other questions:
  • The ozone layer absorbs<br>​
    13·1 answer
  • Which statement indicates that the patient who is taking an adrenergic-blocking drug understands the importance of avoiding othe
    5·1 answer
  • Which event signals the birth of a star?
    15·2 answers
  • (nutrient Cycles)
    11·1 answer
  • What kinds of action could a government take during a pandemic?<br>ASAP
    12·1 answer
  • Define photosynthesis for 2 marks<br>​
    9·1 answer
  • If the offspring of a cross show a 9/16 to 3/16 to 3/16 to 1/16 ratio (9:3:3:1), the
    14·1 answer
  • Are rocks hard i dont know if rocks are hard
    15·1 answer
  • Only right aortic arch present is (a) Reptiles (b) birds (c) mammals (d) all of these<br><br><br>​
    5·1 answer
  • What is Transpiration ???!​
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!