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Tanya [424]
2 years ago
6

Answer Under 20-30 minutes and I give a brainiest!!

Biology
1 answer:
vivado [14]2 years ago
5 0

Answer:

Pulmonary arteries carry the blood to your lungs, where it receives oxygen. Pulmonary veins move the blood oxygen-rich blood to the left side of your heart.

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What is a major difference between the structure of a cell wall and a cell membrane
poizon [28]

Answer:

The cell wall is the outside layer and the cell membrane is the inner layer. Cell walls are made  of cellulose and lignin, while cell membranes contain phospholipids. Cell walls are made of cellulose and cell membranes are made of proteins. The cell wall is the rigid structure the surrounds the cell and the cell membrane is flexible and skin like and surrounds the cytoplasm.

Explanation:

Hope this helps! pls give brainliest:)

8 0
3 years ago
What are some examples of the kinds of trees being harvested in the rainforest?
GalinKa [24]
Here one of the answer Red Cedar Tree
5 0
3 years ago
Every time you eat a cookie or candy bar, your blood sugar increases. this triggers an increase in the hormone _____.
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Every time you eat a cookie or candy bar, your blood sugar increases. This triggers an increase in the hormone insulin.   Insulin<span> is a hormone made by the pancreas which allows your body to use sugar (glucose) from carbohydrates in the food that you eat, or to store glucose for future use. </span>Insulin<span> helps keeps your blood sugar level from getting too high (hyperglycemia) or too low (hypoglycemia).</span>
5 0
3 years ago
A student analyzed a viral genome and found that the genome had the following nucleotide composition.
lapo4ka [179]

Answer:

Option A) Double-stranded DNA

Explanation:

Note that the presence of thymine, a pyrimidine nitrogenous base in the genome indicates the presence of DNA.

Then, the summation of 28% adenine + 20% thymine + 35% cytosine + 17% guanine to yield 100% confirms that the DNA is double-stranded.

Thus, the structure of the viral genome is Double-stranded DNA.

7 0
3 years ago
All of the following are problems caused by burning coal, except
yan [13]

Answer:

D)radioactive waste is produced

Explanation:

Radioactive waste is a dangerous waste material which contains radioactive substances that are bad for health. These waste are produced in the nuclear reactor for the production of electric energy. Radioactive substances cause many diseases in human such as burning of skin and cancer. It is a non-biodegradable substance which remains in the soil for long periods of time and emit alpha, beta and gamma radiations.

5 0
3 years ago
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