What is the human ABO blood group system?

Answers

Answer 1

Answer:

Answer:

ABO blood group system, the classification of human blood based on the inherited properties of red blood cells (erythrocytes) as determined by the presence or absence of the antigens A and B, which are carried on the surface of the red cells.

Explanation:

hope this answer satisfies you

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A mushroom gains its energy by decomposing the tissues of dead organisms. Should mushrooms be classified as autotrophs, heterotrophs, in both groups, or in neither group, and for what reason?

Answers

The question is incomplete, the complete question is:

A mushroom gains its energy by decomposing the tissues of dead organisms. Should mushrooms be classified as autotrophs, heterotrophs, in both groups, or in neither group, and for what reason?

A. They are autotrophs because they do not eat their food, as animals do.

B. They are autotrophs because decomposition is very similar to photosynthesis.

C. They are heterotrophs because their food is made by other organisms.

D. They are both autotrophs and heterotrophs, because they may grow in sunlight or darkness.

Answer:

The correct answer is option C.

Explanation:

Heterotrophs are the species, which do not possess the tendency to produce their own food and rely upon other organisms for their food. Fungi are the heterotrophs as they obtain their food from other dead or living organisms.

Mushrooms come under the kingdom Fungi and obtain their food by decomposing dead remnants of organisms or feeding for the production of energy.

Answer:

Explanation:

Mushrooms are heterotrophs because they obtain energy from other animals

What does 5' & 3' mean in DNA

Answers

Hai :3

Great question. "5' & 3'" means five prime and three prime. Have you ever seen DNA's molecular structure? Well, these numbers indicate the carbon on the sugars that DNA has.

-The 5' bears a phosphate group ( $PO_(4) ^(-3)$ ), and the 3' bears a hydroxyl group ( $OH^(-)$ ).

Which is one purpose of cell division? A.
to increase the number of cells

B.
to produce proteins

C.
to use energy

D.
to acquire food

I'm 100% sure the answer is A. but I wanna make sure.

Answers

Yes the answer is A to increase the number of cells

PLEASE NEED CORRECT ANSWERS ASAP 40 POINTS Gastric juices are secreted by glands which are located in the _____.small intestine
mouth
stomach
pancreas

Match these items.

1. absorbs most ultraviolet rays

stratosphere
2. lowest layer of the atmosphere

greenhouse effect
3. starts seven miles above the earth

thermosphere
4. layer composed of layers

troposphere
5. important for its radiowave reflection

ozonosphere
6. trapping of heat by earth's atmosphere

ionosphere

Answers

Answer:

1.stomach

1. Ozonosphere

2. Troposphere

3. Stratosphere

4. Thermosphere

5. Ionosphere

6. Greenhouse

Explanation:

looked up

1.stomach

1. Ozonosphere

2. Troposphere

3. Stratosphere

4. Thermosphere

5. Ionosphere

6. Greenhouse

What are two different forms of a single gene called? A.
traits

B.
factors

C.
alleles <<<

D.
chromosomes

I think C

Answers

Alleles are two different forms of single gene that are located in specific position on a specific chromosome. It can be classified into two allele pairs: homozygous and heterozygous. In homozygous, both alleles are the same whether they are both dominant or recessive; while in heterozygous, one allele is dominant and the other is recessive.

it is C I did the test so its right. plz make me brainliest

The Rock and mineral fragments in soil come from rock that has been....?

Answers

The answer is rock that has been broken down into small particles into the soil because it travels down the layers of soil.

Hope this helped

you're answer is . B

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