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
Flauer [41]
3 years ago
15

B-lymphocytes are categorized as part of the adaptive branch of the immune system for all of the following reason but one. Which

of the following is not one of the reasons B-lymphocytes are considered part of the adaptive immunity?A) Their receptors will bind to only one antigen.B) They are a first line of defense that can begin killing pathogens immediately.C) They require costimulation from an activated T-helper cell.D) They produce memory cells when activated.
Biology
1 answer:
elixir [45]3 years ago
4 0

Answer: B. They are a first line of defense that can begin killing pathogens immediately.

Explanation:

B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.

You might be interested in
HELPPP ASAP!!!
liubo4ka [24]

Answer:

B

Explanation:

They altered rocks into soil that was able to support simple plants such as grasses. This is an example of altering the environment around them to make it more habitable for other species.

7 0
2 years ago
You bake a potato in a 2000 W toaster oven for 25 minutes how many joules of electricity did the toaster oven use how many kilow
3241004551 [841]
W = Pt

W = 2 × 25/60 = 25/30 = 0.833 kWh
5 0
3 years ago
Explain the mechanism of the movement of the human forelimbs
Harrizon [31]

Answer:

Forelimb protraction starts with a rapid flexion of the shoulder joint bringing the humerus close to its maximum cranial rotation angle, almost in parallel to the mid-sagittal plane. This position has already been reached by the middle of the swing phase.

6 0
2 years ago
Which process is unlikely to be carried out by an animal cell?
Semenov [28]

Answer:

B

Explanation:

Animals derive energy by eating plants or animals and using cellular respiration to make ATP. Plants capture energy from the sun via photosynthesis and make sugar and oxygen. They can then use the sugar to perform cellular respiration to derive energy.

5 0
2 years ago
Read 2 more answers
What is the answer to the question 3
elixir [45]

Answer:

D. the natural resources available in an ecosystem.

Explanation:

Carrying capacity can be defined as a species' average population size in a particular habitat. The species population size is limited by environmental factors like adequate food, shelter, water, and mates. If these needs are not met, the population will decrease until the resource rebounds.

8 0
2 years ago
Other questions:
  • What is an effect of short-term exposure to stress
    7·2 answers
  • Protein structures have several different levels of organization. The primary structure of a sequence. The secondary and tertiar
    9·1 answer
  • If we put a fish into outer space with a helmet on, the helmet would have water in it. We also put a suit on in, again full of w
    11·1 answer
  • The stress force that causes a mass of rock to pull or twist in opposite directions in called ______
    5·2 answers
  • Which organs or structures are involved in a gastroenterocolitis?​
    9·2 answers
  • Some mammals such as Moose, Deer, and Water Buffalos have defensive adaptations such as horns or antlers to fight predators. Mal
    12·1 answer
  • What type of concern is raised by embryonic stem cell research?
    8·1 answer
  • According to cell theory, all new
    14·1 answer
  • 44. The nervous system is controlled by the
    8·2 answers
  • Which of the following could possibly increase the total amount of energy the sparrow population receives within the food chain?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!