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vazorg [7]
3 years ago
5

Atmosphere is a mixture of two things

Biology
1 answer:
bekas [8.4K]3 years ago
8 0

Answer: yes

Explanation:

It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.

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What's the difference between human skin and the cell membrane !! I WILL MARK AS BRAINLIEST
Morgarella [4.7K]

Answer: Read explanation

Explanation: there’s no similarity at all. A cell membrane is made of phospholipids, globular proteins, glycolipids, glycoproteins, and cholesterol, and has passages that serve explicitly for passive and active transport of materials through it.

The skin is made of cells and dead keratin and serves as much as possible to prevent most substances from moving through it. It’s “designed” for toughness and distensibility, not for selective permeability.

8 0
3 years ago
If a plant cell is given only sunlight and water, it cant make sugars through photosynthesis why
lakkis [162]
<span>C02 + H20 -> C6H12O6 + 02
theres no co2</span><span>Sugar is made through photosynthesis by a chemical reaction within the plant’s cell.  Photosynthesis takes place in the chloroplast of a cell.  Light is absorbed into the cell by chlorophyll which is located in the chloroplast (an organelle in a plant cell.).  The chemical reaction that produces sugar is powered by the sun’s energy.  Carbon Dioxide, CO2, is absorbed by the plant through the stomata (small openings on the underside of the plants leaves) and water, H20, which is absorbed through the root hairs are combined together in a chemical reaction, which produces glucose, or the sugar that plants use for energy.  The chemical formula for the process is 6CO2 + 6H2O (+ light energy) =C6H12O6 + 6O2.</span>
3 0
3 years ago
How are plant and animal cells similar? please help i forgot ;^;
LekaFEV [45]

Answer:

plant and animal cells are very similar because they are both eukaryotic cells.

Explanation:

8 0
3 years ago
Read 2 more answers
Explain how plants and animals help each other obtain energy.
kati45 [8]
Chloroplasts use this energy<span> to create sugar molecules that </span>help<span> the </span>plants<span> grow and reproduce. ... </span>Plants<span> use the carbon dioxide and water, and the cycle begins again. In order to </span>obtain energy<span>, </span>animals<span> do not always have to eat </span>plants<span>. They can also get </span>energy<span> from eating </span>other animals<span> that eat </span>plants<span>.</span>
4 0
3 years ago
Read 2 more answers
If the sequence of one strand on DNA is CTA GCT CCA, what is the<br> complementary strand? *
vekshin1

Answer:

If the sequence of one strand on DNA is CTA GCT CCA,  the complementary strand is GAT CGA GGT.

Explanation:

The DNA molecule has four nitrogenous bases in its structure, two purines —adenine and guanine— and two pyrimidines, cytosine and thymine.

The two DNA strands are linked by hydrogen bonds established between their complementary nitrogenous bases, where a purine is complemented by a pyrimidine.

In the case of DNA, adenine is complemented by thymine and cytosine is complemented by guanine:

<em>A=T</em>

<em>C≡G</em>

In the sequence belonging to a DNA strand CTA GCT CCA, the strand that is complementary would be GAT CGA GGT.

6 0
3 years ago
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