BIOLOGY HIGH SCHOOL

What do the terms...antigen
antibody
white blood cell
specific
pathogen
...mean?

Answers

Answer 1
Answer: Antigen: is a a foreign substance or toxin that causes a immune response.
Antibody: it is a blood protein that is produced in response to an antigen.
White blood cell: also called a leukocyte and is a cell that counteracts against antigens.
Specific: If your're talking about the biology definition then it is, of or pertaining to a species.
Pathogen: a virus or bacteria that can cause a disease.
Answer 2
Answer:

Answer:

Antigen: is a a foreign substance or toxin that causes a immune response.

Antibody: it is a blood protein that is produced in response to an antigen.

White blood cell: also called a leukocyte and is a cell that counteracts against antigens.

Specific: If you're talking about the biology definition then it is, of or pertaining to a species.

Pathogen: a virus or bacteria that can cause a disease.

Explanation:

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A graphic that shows the number of organisms in each trophic level of the ecosystem is called a(n)A.) population pyramid
B.) population graph
C.) number pyramid
D.) number graph

Answers

A graphic that shows the number of organisms in each trophic level of the ecosystem is called a (c) number pyramid. It is in a form of a pyramid and the bottom indicates the largest number of the organisms. It could also be a source of the quantitative analysis of the ecosystem.

Where are electrons found in Atoms

Answers

Answer:

Explanation:

The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged). Atoms have different properties based on the arrangement and number of their basic particles.

Explanation:

Issun Shingeki... Messatsu!

In short, electrons are the negative charge in Atoms.

Your skin has excretory functions.


TrueFalse

Answers

True because excretory is like sweat and you sweat through your skin- more specifically the pores in your skin

Answer:

true

Explanation:

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Differences between DNA and RNA include which of the following? (1) RNA consists of one nucleotidechain. (2) RNA contains the nitrogen base uracil instead of thymine. (3) RNA contains the sugar ribose
instead of deoxyribose.
a. 1, 2, and 3
b. 1 and 2
c. 2 and 3
d. 2 only

Answers

A is the correct answer.

Answer:

i think it's A

Explanation:

The highest point of a wave is called the A. wavelength.
B. crest.
C. trough.
D. height.

Answers

The highest point of a wave is called the crest (option B)

What is the crest?

The crest is the highest point of a wave. It is the point where the wave is moving upwards. The lowest point of a wave is called the trough. The word "crest" comes from the Latin word "crista", which means "comb". This is because the crest of a wave resembles the teeth of a comb.

The wavelength is the distance between two consecutive crests or troughs. The height is the vertical distance between a crest and a trough.

Learn about the crest here brainly.com/question/31419131

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The answer is B. Crest

The pressure needed to pump blood back to the heart is produced by the _____.heart
body muscles
contracting arteries

Answers

it would be the muscles because their contracting and forcing the blood back  to the heart

Answer:

the body muscles

Explanation:

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Other Questions
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Please help me really quick :)
A sperm fertilized an egg. Which two structures will the fertilized egg contact?A) ovary and fallopian tubesB) fallopian tubes and uterusC) uterus and cervixD) cervix and ovary
A(n) __________ is created when sperm meets egg and contains all DNA necessary to create a person.a. zygoteb. blastocystc. embryod. fetus