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
gtnhenbr [62]
2 years ago
11

Certain preparations contain killed or weakened live biological agents that, upon injection into our body, protect the body agai

nst those pathogens. what are these preparations called? a. vaccines b. enzymes c. t cells
Biology
1 answer:
natka813 [3]2 years ago
5 0
The answer is A: vaccines
You might be interested in
Whats the sun to the earth
yKpoI14uk [10]
The sun is a big star
3 0
3 years ago
What is the approximate age of our solar system?
Nonamiya [84]
<span>What is the approximate age of our solar system?
</span>b. 4.6 billion years
8 0
3 years ago
Read 2 more answers
9. A person instinctively curls over his abdominal area in times of danger. Why?
jarptica [38.1K]

Answer:

A person instinctively curls over his abdominal area in times of danger. Why? To prevent a smaller target and also to protect the internal organs and genitalia.

Explanation:

5 0
3 years ago
What are the steps in cell division in order
elena-s [515]

Answer:

These phases are prophase, prometaphase, metaphase, anaphase, and telophase. Cytokinesis is the final physical cell division that follows telophase, and is therefore sometimes considered a sixth phase of mitosis.

5 0
3 years ago
Which ratio is equivalent to 18/24 ?<br> a. B.<br> c. D.
horrorfan [7]
<span>A. 5/8 B. 2/3 C. 10/12 D. 3/4

We need to simplify the fraction. Whatever number we use to divide the numerator, should also be the number used to divide the denominator.

18 </span>÷ 2 =   9
24 ÷ 2 = 12

  9 ÷ 3 = 3
12 ÷ 3 = 4

18 / 24 is equal to 9/12
18 / 24 is equal to 3/4 CHOICE D.

3/4 IS THE SIMPLEST FORM OF THE FRACTION 18/24
7 0
3 years ago
Other questions:
  • How does cell division defer between animal and plant cells
    6·1 answer
  • Organic molecules that end in the suffix "-ase" often function as ________ molecules.
    7·1 answer
  • Which organelles are found only in plant cells and not in animals cells
    6·1 answer
  • Describe examples of allopatric radiation in the madagascar-india landmasses and dusky salamanders.
    9·1 answer
  • Earth has a feedback mechanism that works between the surface of the Earth and its atmosphere. Which of the statements is not co
    9·1 answer
  • What is the difference between internal stimuli and external stimuli give examples
    10·2 answers
  • Cell_____is the process by which cells divide​
    11·1 answer
  • How can we generate energy without fossil fuels?
    7·1 answer
  • (a) The consequences of a growing human population have been a concern since the times of Thomas Malthus when he proposed that h
    12·1 answer
  • Other than to determine evolutionary relationships, what are molecular clocks used for?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!