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]
4 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]4 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
You have a cup of vegetable oil and a vial full of normal phospholipids. What would you predict would happen if you dropped the
tino4ka555 [31]

The vegetable oil is made up of chains of long fatty acids. These long chains of fatty acids are non-polar in nature, i.e, they do not interact through ionic forces rather by covalent forces. The phospholipids are also long chain fatty acids with an ionic head. The mixing of the vial of phospholipid in vegatable oil will lead to the formation of a micelle where the lipophilic ends of the phospholipid will be on the outside and the lipophobic end will be towards the centre of the micelle.

7 0
4 years ago
Read 2 more answers
How do ferns obtain foods
Ne4ueva [31]

Answer:

Ferns do not have true leaves as many plants do, but structures called fronds. These fronds are split down into leaflets called pinnae. These fronds are green and the fern gets its food via photosynthesis. Ferns reproduce by spores in an alternating generations.

Explanation:

i studied ferns for years

8 0
3 years ago
What kinds of organisms undergo cellular respiration
Nadusha1986 [10]
<span>Heterotrophs, organisms that must get energy from food indirectly from sunlight or inorganic substances, go through the process of cellular respiration to get the energy needed.</span>
7 0
3 years ago
While hiking, you see a giant oak tree that has mushrooms growing at the base. What domain of life is represented by the oak tre
Snowcat [4.5K]

Answer:

'

Explanation:

7 0
3 years ago
Can someone please answer these 1-5 and IV
Novosadov [1.4K]
Cell theory:
•All cells come from pre-existing cells
•All living orginisms are made up of 1 or more cells
•The cell is the basic unit of life
Cell theory development:
•Leeuwenhoek
•Hooke
•Schleiden
•Virchow
•Schwann
I believe these are the correct answers
4 0
4 years ago
Other questions:
  • Which one below is not a strand of RNA
    12·1 answer
  • A researcher discovers a new prokaryote that lives on the seafloor near hydrothermal vents. This organism reduces CO2 to form C6
    13·1 answer
  • Lichens and mosses are______<br>species.​
    9·2 answers
  • What is the journey of a pice of cheese through your digestive system. Starting with the stomach and ending with absorption. Inc
    9·1 answer
  • What is true about the function of the electron transport system (ETS)?
    15·2 answers
  • 1. Compare the flow of nutrients and energy within an ecosystem.
    14·1 answer
  • Which portion of the energy spectrum is particularly useful for differentiating vegetation from space?
    9·2 answers
  • While observing slides under a microscope, Jack adjusts the microscope's mirror so that a circle of light can be seen. Which mic
    11·1 answer
  • What are the correct answers?
    14·1 answer
  • PLEASE HELP WILL GIVE BRAIN!! The small dark cylinder shaped structures that help separate the chromatids are called !!
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!