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Artemon [7]
3 years ago
15

what elements are in the most common substance in the human body? a. carbon and nitrogen b. hydrogen and oxygen c. oxygen and ph

osphorus d. calcium and nitrogen
Biology
1 answer:
evablogger [386]3 years ago
7 0
B. Hydrogen and Oxygen
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Differentiation requires __________ of particular genes to produce populations with __________ capabilities that form tissues. d
exis [7]

Answer;

-Inactivation; limited

Differentiation requires inactivation of particular genes to produce populations with limited capabilities that form tissues.

Explanation;

-Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression.

-Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.

-Gene expression plays a critical role in the morphological changes that take place in a developing embryo and fetus and in the differentiation of stem cells to form specialized cells.

8 0
3 years ago
Need help ASAP please help quickly??????
inessss [21]
The answer is coal, C.
It takes a long time to regenerate, therefore it is labelled as non renewable energy.
7 0
3 years ago
In which of these is osmosis occurring
lakkis [162]

Answer:

1.Plant absorbing water from the soil.

Explanation:

Osmomsis occurs by the movement of a water from a region of higher concentration of water molecules to a region of lower concentration of water molecules, through a semi permeable membrane,

<em><u>OR</u></em>

It occurs as a result of movement of substance molecules from a region of lower concentration to a region of Higher concentration of the substance.

<em><u>Note</u></em><em><u>:</u></em> The higher the concentration of the substance molecules,the lower the concentration of water molecules.

4 0
3 years ago
Why does recombination between linked genes continue to occur?
sweet-ann [11.9K]

Answer:

I don't know

Explanation:

Refer a guide

6 0
3 years ago
Which is a correct interpretation of the cladogram shown below?
allochka39001 [22]

D. is correct: Koalas evolved after trout.
(A is false, B is also false bc amoeba are unicellular, C is false too, they are definitely not in the same class)
6 0
3 years ago
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