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
Feliz [49]
3 years ago
5

Can your body make antibiotics for pathogens that you have never been in contact with ?

Biology
1 answer:
pentagon [3]3 years ago
8 0
Yes. A person comes across many colds in a year or a life time and produces antibodies for each. Babies get many colds in the first years and fewer as they <span>get older because they have made antibodies.</span>
You might be interested in
Which are the characteristics of a maritime polar air mass?
irga5000 [103]
Maritime polar air mass is described as <span>a. cold and humid air mass that affects the US. These air masses came from northern Pacific and north-western Atlantic regions. Because of the moisture they carry, they can also bring clouds and precipitation.</span>
8 0
3 years ago
All of the following are factors affecting the rate of photosynthesis except.
dimulka [17.4K]

Answer:

Ultraviolet radiation does not influence photosynthesis

6 0
2 years ago
Fern is nutrionally a...
11111nata11111 [884]

Answer:

saprophyte

Explanation:

The sporophyte stage is the predominant phase in ferns. They have specialized water and nutrients conducting tissues called xylem and phloem that differentiates them from mosses. ... The sporophyte obtains its nutrition from the dead and decaying organic matter

8 0
3 years ago
Read 2 more answers
Heart muscles contract and relax. What is the most important effect of
pochemuha

Answer:

A. Blood is pushed through vessels

Explanation:

Heart muscles contract and relax. The most important effect of this action on the human body is Blood is pushed through vessels.

Hope it will help :)❤

8 0
2 years ago
Read 2 more answers
Why is salt not allowed to pass through the cell membrane?
xxTIMURxx [149]
Salt molecules are much smaller than starch molecules and can pass through more easily. ... Thus, they are quite large molecules in contrast to the relatively small salt molecules. The smaller salt molecules pass through the membrane easily, but the larger starch molecules cannot pass through the membrane.
7 0
3 years ago
Other questions:
  • Directly behind the frontal lobe is the _____ lobe, where sensory information registers in the _____ cortex.
    8·1 answer
  • A large population of laboratory animals has been allowed to breed randomly for a number of generations. after several generatio
    8·1 answer
  • HIV kills or damages the body's ________.. A. Liver cells . B. Immune system cells . C. Prostate cells . D. All of the above
    15·1 answer
  • What is a fungus?<br> Describe what would happen if fungi did not exist.
    5·1 answer
  • Which of the following is true of DNA only?
    9·1 answer
  • HELP PLEASE!!!!!!!!!!
    7·2 answers
  • A reseacher was studying mutations in bacteria.he found that certain bacteria had changes in their dna that allowed them to be r
    15·1 answer
  • Biology S1 Unit 1 Post-Test Study Guide
    5·1 answer
  • What would happen if Cyclin proteins did not function properly in the cell cycle?​
    6·1 answer
  • PLEASE HELP!!! DUE TODAY IN 10 MINS!!! (dont mind the right side-)
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!