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
insens350 [35]
3 years ago
9

antibodies are produced when the body is exposed to __________. antigens macrophages receptor proteins

Biology
2 answers:
SSSSS [86.1K]3 years ago
6 0

Answer:

Option A

Explanation:

Antibodies are protective proteins that are released by immune system when any foreign agent enters into our body. These harmful foreign agents are known as antigens, in response to which antibodies are produced.  

B Lymphocytes are specialized white blood cells that produce antibodies when it comes in contact with the surface of the antigen which is different from the surface of other bio molecules with in our body. After interacting with antigen, B lymphocytes divides and form a clone of identical cells. This clone then secretes millions of antibodies into the bloodstream

Hence, option A is correct

navik [9.2K]3 years ago
4 0
Antigens. Our bodies labels them as toxins, thus antibodies, such as white blood cells, will be used to remove them.
You might be interested in
Any ideas? thanks for the help!
sveticcg [70]

Answer:

pretty sure its c

Explanation:

dont forget to five-star and heart! :)

8 0
3 years ago
Read 2 more answers
The parietal bone has articulations with all of the following bones EXCEPT the __________. a. temporal bone b. frontal bone c. z
sp2606 [1]

Answer:

The parietal bone has not articulated with zygomatic bone.

Explanation:

Parietal bones are paired structure that form the roof and side of the cranium.

The parietal bones are articulated with each other and form suture.

It articulates occipital bone posteriorly,and anteriorly with the frontal bone which form a suture called as coronal suture.

Inferiorly the parietal bone is articulated with sphenoid and temporal bone.

Zygomatic bone is irregular shaped and paired structure that articulates with maxilla.temporal bone, sphenoid bone,frontal bone.

6 0
3 years ago
What chromosomes are found in body cells but not sex cells?
Leni [432]
None, egg cells don't have chromosomes. No, sex cells do have chromosomes. meiosis reduces chromosome number so that sex cells (eggs and sperm) have a half set of chromosomes–one homolog of each pair. This is the haploid number.
3 0
3 years ago
When people experience extreme back injuries they can lose the ability to move their bodies below a certain point. What part of
Paul [167]

Answer:

Spinal cord injuries are responsible for people not being able to move their bodies below a certain point. What determines how much of the body they can still move is the level of the spinal cord injury.

Explanation:

The central nervous system cannot communicate with the brain due to the spinal cord injury.

4 0
3 years ago
Which experimental design decision would most likely produce invalid and unreliable results?
grin007 [14]

Answer:

Explanation:

The independent variable determines the value that needs to be calculated or the decision that needs to be made from the observations of the experiment. Hence, experimental design decision would most likely produce invalid and unreliable results when having more than one independent variable.

8 0
4 years ago
Other questions:
  • If one plant is named Salvia greggii and another is named Salvia vanhouttei, what does this tell you about these plants?
    13·1 answer
  • White blood cells are the body's natural defenders against harmful invaders. One way white blood cells offer protection is by en
    12·2 answers
  • Crocodiles, lizards, and snakes are all reptiles. However, lizards are statement MOST accurately describes how this relationship
    7·2 answers
  • Why are men taller than women?
    8·2 answers
  • 1
    5·2 answers
  • Define The 3 principles of relative dating
    11·2 answers
  • Read the comments about translation from the two students below.
    13·1 answer
  • Which of the following items may be on the laboratory bench to while doing la work?
    11·1 answer
  • Number of centromeres visible at prophase are?
    15·1 answer
  • A scientific claim answers a question or offers a solution to a problem. Reflect on the Encounter the Phenomenon question and br
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!