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DIA [1.3K]
3 years ago
6

How do vaccines prevent disease?

Biology
1 answer:
ludmilkaskok [199]3 years ago
5 0

Answer:

Vaccines introduce an attenuated form of the virus or bacteria into the body.

Explanation:

Vaccines introduce an attenuated form of the virus or bacteria into the body, meaning the virulence of the virus or bacteria has been negated. Introduction of this attenuated form enables the immune cells to easily eliminate the pathogen even without getting diseased and later have memory (in memory B and T cells) so that in case of a real infection, it is easily eradicated.

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Define atomic number, atomic weight and atomic mass.
lozanna [386]
Atomic number shows the number of protons in the nucleus of an atom.
Atomic weight shows the is an another term for atomic mass, which means <span>It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.</span>
6 0
3 years ago
6/9/2021
yawa3891 [41]

Answer:

The recessive alleles.

4 0
3 years ago
30 points!!
Mamont248 [21]

My best explanation is

Some cancer is in blood and tissue and doesn’t form a tumor, such as leukemia. Therefore a usage of “chemotherapy” is needed.

Sorry if this isn’t a good explanation

8 0
3 years ago
Read 2 more answers
Lisa is giving a speech about Pandas. Her speech includes 3 points: 1) where pandas live; 2) what pandas eat; and three) how pan
butalik [34]

Answer:

Topical order.

Explanation:

Text structure can be defined as words used to describe how a writer or an author organizes his or her words in a literary work.

A topical order refers to a way of structuring a text or organizing a speech based on the main topic and dividing it into several subtopics in logical categories (steps).

In this scenario, Lisa is giving a speech about Pandas. Her speech includes 3 points:

1) Where pandas live.

2) What pandas eat.

3) How pandas reproduce.

Thus, the type of organization Lisa is using is topical.

In conclusion, a speech or text organized in a topical order has its main points organized as subtopics which are well related with the main topic.

3 0
3 years ago
d. What is the general term for organisms that live in soil and fallen leaves on the forest floor? What is one example of them?
Ivanshal [37]

Answer:

Edaphon, Leaf litter and earthworm

Explanation:

  1. Edaphon is the general term used to reffer to the animals and plants present in the soil.
  2. On the other hand, there is not only one name for the fallen leaves on the forest floor. It could be either plant litter, leaf litter or even tree littler. Although the name suggests it is only leaves, this <u>plant litter</u> could include leaves, barks and twigs that can fall off a tree.
  3. The edaphon its made up of thousands of organisms including a huge number of bacteria, fungi, and arthropods. A good example of organisms living in the soil is an earthworm. Earthworms crawl through the soil feeding from it, digesting part of the organic material and fertilizing it with their excrement.

7 0
3 years ago
Read 2 more answers
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