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Oksi-84 [34.3K]
3 years ago
10

Where do plants get the carbon dioxide they need for photosynthesis to begin?

Biology
1 answer:
babunello [35]3 years ago
6 0
From the air........
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What statement explains why earthquake tend to be deeper near subduction zones
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A subduction zone is where one tectonic plate is sliding under another one. It is not usually a continuous smooth motion, but an intermittent cycle of building pressure of one plate against the other and then a "slip" or movement that relieves the pressure by moving the plates. This movement is called an earthquake.<span />
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Airplanes reach cruising altitudes at the lower part of the Earth's stratosphere. This portion of the atmosphere is made up most
rosijanka [135]

Answer:1.nitrogen

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Explanation:hope it helps!

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3 years ago
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Which microscope do we use for objects as small as a nanometre?
kati45 [8]
An electron microscope
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4 years ago
Name a
prohojiy [21]

Answer:

Calcitonin- reduce blood calcium level

Parathyroid hormone- Raise blood calcium level

Explanation:

The thyroid gland is an endocrine gland which secrete its hormone in the blood directly. Both calcitonin and parathyroid hormone are released by the thyroid gland. Parathyroid hormone is released when the blood calcium level is low.

Parathyroid hormone increases the blood calcium level by osteoclast stimulation which releases calcium from bones and increases blood calcium level. Calcitonin is antagonistic to parathyroid hormone and it  reduce the blood calcium level in the blood by stimulating the activity of osteoblast.

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3 years ago
a technique used in determining the protein binding region in dna (e.g, binding region of rna polymerase) is called
Alex Ar [27]

A technique used in determining the protein binding region in dna (e.g, binding region of RNA polymerase) is called DNA footprinting

One technique used to determine protein binding regions (eg, RNA polymerase binding regions) of DNA is called DNA footprinting. A DNA footprint shows where a protein binds to a DNA molecule. In this technique, a pure DNA fragment labeled with 32 P at one end is first isolated. A trace amount of DNA endonuclease is then added to the mixture of core protein and radiolabeled DNA. RNA sequencing (RNA-Seq) harnesses the power of high-throughput sequencing methods to gain insight into the cellular transcriptome. Compared to previous Sanger sequencing and microarray-based methods, RNA-Seq offers much broader coverage and resolution of the dynamic nature of the transcriptome.

To know more about RNA polymerase visit:

brainly.com/question/353287

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8 0
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