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cupoosta [38]
2 years ago
8

Building proteins and DNA is the reason organisms need what substance?

Biology
2 answers:
KATRIN_1 [288]2 years ago
6 0
Answer: Nitrogen


Explanation: all living organisms need nitrogen
KatRina [158]2 years ago
3 0

Answer:

Nitrogen

Explanation:

All living organisms need nitrogen in order to build proteins and build DNA.

Some animals (most) get nitrogen by eating plants I believe.

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Gel electrophoresis separates DNA molecules based on ___. *
Umnica [9.8K]

Answer:

Size

Explanation:

All DNA is the same charge, It is ONLY size.

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3 years ago
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What is declination​
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Answer: angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles

Explanation:

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WILL MARK BRAINLYEST.
Illusion [34]

Is the answer three

Because they help the body absorb vitamins a, d, e, and k.

3 0
2 years ago
Corn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. I
Rzqust [24]

Answer:

a monocot

Explanation:

Monocotiledoneas are plants that develop from a seedling with a single cotyledon. That is why we can say that maize is a monocotyledon.

Monocotyledons and dicotyledons are two classes of vegetables that belong to the angiosperm plants (plants with seeds contained within the fruits) and also phanerogams (flowering plants), currently classified as magnoliophytes, gathering approximately 230 thousand species. Monocotyledons are plants that have only one cotyledon in the seed. Cotyledons are the initial leaves of plant embryos.

7 0
3 years ago
2. Which freshwater source do you think is most important to people? Why?
kondor19780726 [428]

Answer:

Groundwater

Explanation:

Groundwater, which is in aquifers below the surface of the Earth, is one of the Nation's most important natural resources. Groundwater is the source of about 33% of the water that county and city water departments supply to households and businesses (public supply).

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2 years ago
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