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
Lyrx [107]
3 years ago
13

Some _____ become memory cells when exposed to an infection agent and, if they encounter the same antigen in the future, they ca

n respond quickly to destroy the invader before it causes illness.
Biology
1 answer:
jasenka [17]3 years ago
7 0

Answer: T cells and B cells

Explanation:

You might be interested in
From where plants gets carbon dioxide?
Ilia_Sergeevich [38]
Mars, Mars supplies all the plants with carbon dioxide, since they have no oxygen of their own
4 0
3 years ago
What are examples of devices that use electromagnetic waves? Check all that apply.
kiruha [24]

Answer:

FM radios and TV remote controls.

6 0
3 years ago
Who is Thomas Malthus? Select the TWO correct answer to get
dsp73

Answer:

someone who studies economics and politics and i think a poet from england or thinker from england so choose wisely.

7 0
3 years ago
2. What are fraternal twins, and how do they normally occur?
pogonyaev

Answer:

hey!

I think your answer is

They dvelop from 2 separate eggs

Fraternal twins each come from their own egg and sperm. The term for this is dizygotic , while identical twins are monozygotic.

Explanation:

hope this helps

3 0
4 years ago
Where are you most likely to find primary secession
Leno4ka [110]

Answer:

Rocks from retreating glaciers

5 0
3 years ago
Other questions:
  • Evaporative coolers are primarily used in climates where the summers are:
    13·1 answer
  • Which of these characteristics applies only to cardiac muscle tissue?
    9·1 answer
  • Which statement is false?
    8·2 answers
  •  What substance is oxidized during cellular respiration? A. glucose B. carbon dioxide C. oxygen D. water
    8·2 answers
  • What effects would you expect endometriosis to have on the female reproductive system and on fertility
    8·2 answers
  • Theories are used for: A. Testing hypotheses B. Investigating phenomenon C. Validating existing knowledge D. All of the above
    14·1 answer
  • Compare and contrast the energy levels on the half-pipe, the curved ramp, and the wavy ramp. What were the similarities or diffe
    6·1 answer
  • Sam was a 60 year old man. As a result of picking up a heavy object he fractured the radius and ulna of his right arm. X-rays in
    9·1 answer
  • In activity c, you explored how temperature affects the concentration of dissolved oxygen in a pond use the three data points yo
    13·1 answer
  • How does a potato plant make the food it needs to grow and function
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!