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kogti [31]
3 years ago
11

Hi help please! 20 points plus brainliest!

Biology
2 answers:
liubo4ka [24]3 years ago
8 0

Answer:

Your answer would be the second option as the Oxygen starts out high on the graph, but decreases well the Carbon dioxide starts out low and then increases

Mkey [24]3 years ago
3 0
The answer is b. as the level of oxygen decreases, the level of carbon dioxide increases.
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The number of bones in the appendicular skeleton is
VMariaS [17]

Answer:

E... 126

Explanation:

The appendicular skeleton includes all bones of the upper and lower limbs, plus the bones that attach each limb to the axial skeleton. There are 126 bones in the appendicular skeleton of an adult

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3 years ago
Why do vaccines work for some diseases but not others?
otez555 [7]

Answer:

The antibodies produced by a vaccine only fight specific antigens.

Explanation:

Antibodies only bind to specific antigen during an immune reaction. The introduction of foreign substance in the body stimulate the B-cells to produce antibodies that fight against infections. Only specific antibodies are produced following antigen presenting cells that bind to antigens. They capture and display the antigens to the antibodies.

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3 years ago
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If a hamster has 22 chromosomes in its somatic cells, how many chromosomes would it have in its gametes
amm1812
Normally a hamster has 44 chromosome in its body but since it’s cut in half which leaves it 22 chromosomes (as stated above) the answer will be 11 gametes
22 divided by 2 = 11

EXPLANATION:
The sperm of the father, when it fuses with the egg, the embryo has 22 chromosomes
To find the number of chromosomes for each gamete, divide the total number by two eggs. The egg and sperm have half of the genetic information for an embryo
6 0
3 years ago
What is the human embryo called after the eighth week of development?
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Answer:

fter 8 weeks of pregnancy it's called the fetus

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A mutation would have an effect on _____ molecules.<br><br> Sugar<br> Amino acid<br> Lipid<br> Fat
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Answer: amino acids

A mutation is a single or multiple event which brings a change in a genetic material of the organisms. A mutation will alter a DNA base pair that causes deletion or substitution of one amino acid in a protein encoded by a gene.


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