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Biology

1 answer:

zepelin [54]3 years ago

4 0

Answer:

i cant do this i can only type

Explanation:

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How would relaxing the smooth muscles in arteries affect blood pressure apex?

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Arteries are part of the circulatory system in the human body that transports nutrients and oxygen to every cell of the body. It is also a vessel that carries blood away from the heart and toward other organs and tissues. If the smooth muscles in the arteries will be relaxed it decreases the blood pressure.

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O type blood contains what type of antibodies?

motikmotik

O type blood contains both A and B antibodies.

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Why is the question of whether the injuries came from a stone or steel weapon important? How could scientists distinguish betwee

Papessa [141]

It is important in determining whether injuries/death was an accident or purposeful, and if purposeful, who, how and why did someone do it. They determine the weapon through the ligature marks left, the shape, force and impact of the injury, the location of the injury, and by analysing any fragments and trace evidence left on the wound

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3 years ago

During aerobic respiration, electrons travel downhill in which sequence?

iris [78.8K]

Answer:

The correct answer will be option-B.

Explanation:

Cellular respiration is a slow process which produces energy from the oxidation of food components which could be glucose, fatty acids and proteins.

The process proceeds in four steps: glycolysis, link reaction, Krebs cycle and electron transport chain.

The energy molecules are produced when a high energy electron gets reduced and the released energy is stored in the form of energy molecules which could be ATP or energy equivalents like NADH and FADH₂.

These reducing equivalents donate its electrons during electron transport chain where the electrons flow to the last electron acceptor called oxygen.

Thus, Option-B is the correct answer.

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3 years ago

What waste product does aerobic organisms release into the environment that plants use during photosynthesis

Arte-miy333 [17]

Answer: Carbon Dioxide (CO2)

Aerobic organisms (like us!) are organisms that need oxygen. That means they consume oxygen ( $O_{2}$ )and release carbon dioxide ( $CO_{2}$ ).

That carbon dioxide is the waste product that is taken up by plants during photosynthesis to create more oxygen and sugars (as "food" for the plants). This is seen in the equation for photosynthesis, where the things that are consumed by plants are on the left of the arrow, and the things produced are on the right:
<span>6CO2 + 6H2O + light energy ==> C6H12O6 + 6O2</span>

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