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noname [10]
3 years ago
14

A middle age star that burns hydrogen is a

Biology
1 answer:
adelina 88 [10]3 years ago
4 0

main sequence star......

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The body is over ____ percent water.<br> 20<br> 60<br> 75<br> 80
Elan Coil [88]
<span>Although the amount varies based on age and gender, generally the human body is made up of about 60% water. Most of this water is stored in our cells, which require water to live, function, and divide. The rest of the water is found in various other parts of our body, such as our bladder.</span>
4 0
3 years ago
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How do antigens and antibodies interact? PLEASE HELP NO LINKS PLEASE
Luda [366]

Explanation:

There are several types of antibodies and antigens, and each antibody is capable of binding only to a specific antigen. ... Antigens are bound to antibodies through weak and noncovalent interactions such as electrostatic interactions, hydrogen bonds, Van der Waals forces, and hydrophobic interactions.

Antibodies attach to a specific antigen and make it easier for the immune cells to destroy the antigen. T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, known as cytokines, which control the entire immune response.

8 0
2 years ago
OMG PLEASE HELP ! YOU ALL ARE SMART !
balu736 [363]

Answer:

bronze

Explanation:

Bronze, an alloy formed by adding tin to copper, fuses at a lower temperature than copper and is thus better suited for casting; it also is harder and less malleable.

6 0
3 years ago
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What are the major common properties of living things?explain each steps?​
telo118 [61]

all about Living Things

Explanation:Characteristics of Living Things

Living things are made of cells. Cells are the basic building blocks of living things. ...

Living things have movement. This movement can be quick or very slow. ...

All living things have a metabolism. ...

Living things grow. ...

Response to environment. ...

Reproduction.

6 0
3 years ago
the mitochondrion is host to which portion of cellular respiration? glycolysis alcoholic fermentation lactic acid fermentation t
MA_775_DIABLO [31]

Answer: The correct answer is Kreb cycle.

Cellular respiration is defined as the oxidation of food into CO₂ ( cabon dioxide) and H₂O ( water) in order to produce energy in the form of ATP ( adenosine triphosphate).

It occurs in three stages that is Glycolysis, Kreb cycle, and Electron transport chain.

Kreb cycle occurs in the matrix of the mitochondria. It includes the oxidation of a two carbon compound that is Acetyl- CoA in order to generate a pool of chemical energy in the form of ATP, NADH, FADH₂.

On the contrary, glycolysis and fermentation occur in the cytoplasm.

Thus, mitochondria is host to Kreb Cycle of the cellular respiration.

3 0
3 years ago
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