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Snowcat [4.5K]
2 years ago
8

Please Help!!!!! I'll give Brainiest if u can help me!!! ASAP

Biology
1 answer:
GrogVix [38]2 years ago
3 0

Answer:

i would say the last one

Explanation:

you can see there is no green dots so the population reproduces with smaller gene pool

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Heat and pressure changed limestone into what metamorphic rock
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It’s usually changes it into marble!!
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3 years ago
What substance is a substrate of amylase
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Answer:

Starch

Explanation:

Any member of a class of enzymes that catalyze the hydrolysis (splitting of a compound by addition of a water molecule) of starch into smaller carbohydrate molecules such as maltose (a molecule composed of two glucose molecules).

7 0
3 years ago
The structure that prevents backflow of blood into the left atrium is the . The vessel that carries oxygen-rich blood to tissues
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Answer:

The structure that prevents backflow of blood into the left atrium is the mitral valve.

The vessel that carries oxygen-rich blood to tissues is the aorta.

The capillaries receiving blood flow from the left side of the heart are the Systemic capillaries.

The structure that is located anatomically between the aorta and the left ventricle is the Aortic semilunar valve.

Explanation:

The left atrium receives oxygen-rich blood from the pulmonary vein and passes it to the left ventricle. The back-flow of blood from the left ventricle into the left atrium is prevented by mitral which is a bicuspid valve. The vessel that carries oxygen-rich blood to tissues is the aorta.

Aorta receives oxygen-rich blood from the left ventricle and pumps it into its branches to deliver the blood to the body tissues. Systemic capillaries are the blood vessels that obtain the oxygen-rich blood from the left ventricle through the aorta. Systemic capillaries serve as the site for the exchange of gases and nutrients.

The aortic semilunar valve is located Aortic semilunar valve is the half-moon shape valve present between the left ventricle and aorta to prevent the black flow of blood to the left ventricle.

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The differences in the properties of two substances in a mixture can be used to separate a substance out of the mixture. What tw
Jobisdone [24]
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Blood has a lower concentration of hydrogen ions than cellular cytoplasm. What does that tell us about the pH?
Greeley [361]

Answer:Acids and bases In the human body, both blood and the cytosol (watery goo) inside of cells have pH values close to neutral. ... A base, in contrast, raises pH by providing hydroxide (OH −start superscript, minus, end superscript) or another ion or molecule that scoops up hydrogen ions and removes them from solution.

Explanation:

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