PBS 2.1.5 Review

Which of the following is the primary source of energy for organisms?

• lipids

• nucleic acids

• carbohydrates

• proteins

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NGSS.HS-LS1-7

Insulin is made in the

• heart

• bloodstream

• liver

• pancreas

What acts like a "doorbell" meaning it must be activated to signal something to open in the glucose-insulin response pathway?

• insulin receptor

• insulin

• glucose

• glucose transport protein

In the image, the two light orange lines represent the cell membrane. Everything above the two lines is outside of the cell, everything below is inside the cell. Which letter represents glucose molecules?

• A

• B

• C

• D

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NGSS.HS-LS1-7

What is happening at letter E in the blood glucose level feedback loop (in a person who does not have diabetes)?

• The liver releases glucose into the bloodstream.

• The pancreas signals the production of glucagon.

• The pancreas signals the production of insulin.

• Glucose molecules enter cells.

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NGSS.HS-LS1-3

The blood glucose feedback loop in a person without diabetes is considered a(n) _________ feedback loop.

• opposite

• neutral

• positive

• negative

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NGSS.HS-LS1-3

Cellular respiration

• occurs in the nucleus.

• uses glucose to produce ATP.

• uses glucagon to produce insulin.

• occurs in the mitochondria.

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

Type 2 diabetes

• results in low blood glucose levels after a carb-heavy meal.

• is caused by no or very little insulin production.

• is caused by insulin receptors not responding well to insulin.

• results in high blood glucose levels after a carb-heavy meal.

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NGSS.HS-LS1-3

In both types of Diabetes

• Insulin is not produced

• Insulin does not work properly

• Blood glucose levels remain high after eating

• Insulin receptors do not work

What happens in Type 1 diabetes?

• Insulin receptors do not work

• Insulin is not produced

• Insulin does not work properly

• Glycogen is not stored properly

Tags

NGSS.HS-LS1-3