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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
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How do you classify a virus {prokaryotic, eukaryotic or neither}? Explain
11Alexandr11 [23.1K]

Answer:

Microorganisms and all other living organisms are classified as prokaryotes or eukaryotes. Viruses are considered neither prokaryotes nor eukaryotes because they lack the characteristics of living things, except the ability to replicate.

Explanation:

6 0
4 years ago
Which of the following statements about members of the family Enterobacteriaceae is NOT true? It includes many medically relevan
Dmitrij [34]

Answer:

The correct answer will be option- All of the choices are correct.

Explanation:

Enterobacteriaceae are a group of bacteria belonging to a large family.

The group includes gram-negative and non-spore forming bacteria mainly like<em> E. coli, Salmonella, Shigella, Enterobacter </em>and <em>Yersinia pestis</em>. The main habitat of these bacteria is the lower gastrointestinal tract of various animals, the reason they are also known as 'enterics".

They are facultative anaerobes and feed on the carbohydrates like sugar and nitrates present in the tract. They ferment the sugars and reduce the nitrates to nitrites. many strains and species of these bacteria are used in the clinical department.

Thus, option- All of the choices are correct is the correct answer.

8 0
4 years ago
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Colt1911 [192]

Answer:

Hi

Explanation:

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6 0
3 years ago
What is the net charge of the structure in the figure below?
Brilliant_brown [7]

Question:- what is the net charge of the structure in the figure below?

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there are 3 protons (+ve charge) and 2 electrons (-ve charges )

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8 0
3 years ago
is the deliberate organization and act of killing a group of people based on their race, culture, or ethnicity.
ZanzabumX [31]
The answer is Genocide
6 0
3 years ago
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