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
Flura [38]
3 years ago
7

Select the correct statement about complement. A. Complement can be activated through three pathways: classical, secondary, and

alternate. B. Complement proteins C1 through C9 act exclusively in the classical pathway. C. An adaptive immune mechanism is often involved in directing complement to its target. D. The membrane attack complex consists of complement proteins C3a through C5.
Biology
2 answers:
galben [10]3 years ago
3 0

Answer:

C

Explanation:

A is wrong as 3 pathways are: classical, lectin, alternative

B is wrong - many C1-C9 act in other 2 ways EX C5

D is wrong - MAC consists of C5-C9

Vinil7 [7]3 years ago
3 0
C. An adaptive immune mechanism is often involved in directing complement to its target.
You might be interested in
Free bobux man ccccccccccccummmmmm
Angelina_Jolie [31]

Answer: ummmmm dont know what that means but freeeeee pointssss

Explanation:

3 0
3 years ago
Read 2 more answers
Why is personal hygiene important for limiting the spread of diseases?
Artemon [7]

Answer:

It limits the spread of pathogens

Explanation:

Many diseases are contracted byu direct contact with an individual that is a carrier of a disease. The pathogens primarily spread by direct contact includes parasites, certain bacteria, certain viruses. For example, viruses include: Hepatitis A and Hepatitis E and are associated with poor sanitation and hygiene, leading to infection and inflammation of the liver.

4 0
3 years ago
Chromosomal mutations usually Occur during?​
brilliants [131]

Answer:

The fundamental structure of a chromosome is subject to mutation, which will most likely occur during crossing over at meiosis.

Explanation:

4 0
3 years ago
HELP WITH SCIENCE PLS!!
babymother [125]

Answer:

B.

Explanation:

The brightness of light is related to intensity or the amount of light an object emits or reflects. Brightness depends on light wave amplitude, the height of light waves. Brightness is also somewhat influenced by wavelength.

5 0
2 years ago
Vitamin D is an organic molecule that regulates the absorption of calcium by the body. Which of the following elements is most c
Hoochie [10]
The element that is most common in Vitamin D is CARBON.
3 0
3 years ago
Other questions:
  • Based on the passage, FSHRs are found on cells of which type(s) of tissue? Connective Epithelial Nervous I only III only I and I
    9·1 answer
  • When Darwin wrote on the origin of species he assumed due to the fossil record that species would not evolve quickly since that
    5·1 answer
  • Where does all energy for most organisms on earth come from?
    10·2 answers
  • Hey so were doing this weird salt and sugar solutions phet assignment and idk how to do it ​
    9·1 answer
  • What causes chemical waste ?
    15·1 answer
  • What does a poison control center do?
    14·2 answers
  • Please answer fast ASAP I give brainliest
    14·1 answer
  • PLSS HELP ME WITH THIS IMMEDIATELY!!! ILL MARK U BRAINIEST IF U DONT LEAVE A LINK OR GUESS!!
    12·1 answer
  • A scientific hypothesis must be _____​
    12·1 answer
  • Which of the following is NOT a mutagenic factor (causes mutations)?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!