How does carbon enter the food web (go from an inorganic source into an organism)?

C is taken in during photosynthesis

C is absorbed by plants through roots

C is taken in during cellular respiration

C is acquired from drinking water

Which way would the purple molecules move through the semi-permeable membrane?

none of the purple molecules would move

they would move equally back and forth in a state of dynamic equilibrium

If a hospital patient is mistakenly given an IV of pure water instead of a saline solution that is isotonic to blood, the patient’s red blood cells will

absorb water from the plasma and eventually burst

release water to the plasma along its concentration gradient

transport equal amounts of water across the cell membrane in both directions

Which statement about cholesterol molecules is true?

They alter the fluidity of the membrane.

They help hold a membrane together.

They disrupt membrane function.

The plasma membranes of winter wheat are able to remain fluid when it is extremely cold by

replacing saturated fatty acids with unsaturated fatty acids

synthesizing new forms of cholesterol

decreasing the number of hydrophobic proteins present

Which of the following best summarizes the relationship between dehydration reactions and hydrolysis?

Dehydration reactions assemble polymers, and hydrolysis breaks down polymers.

Hydrolysis only occurs in the urinary system, and dehydration reactions only occur in the digestive tract.

Hydrolysis creates monomers, and dehydration reactions break down polymers.

Dehydration reactions can occur only after hydrolysis.

AP Biology Unit 2 Review

Quiz

•

Biology

•

12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS1-3, HS-PS1-2, HS-LS1-6

+5

Standards-aligned

Used 595+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the molecule illustrated in the figure below?

a trans polyunsaturated triacylglyceride

a steroid similar to cholesterol

a saturated fatty acid

an unsaturated fatty acid

This is a picture of a?

Amino Acid

Nucleic Acid

Lipid

Polysaccharide

This is a picture of a?

Polypeptide

Nuceotide

Steroid

Polysaccharide

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What macromolecule makes up the cell membrane's lining?

Saturated Fatty acid chains

Phospholipids

Polypeptide chains

Cellulose polysaccharide Chains

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Alpha helix and beta pleated sheets are part of what level of protein structure?

primary

secondary

tertiary

quaternary

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Plants can lose water absorbed by roots through the leaves during which process?

reproduction

cellular respiration

transpiration

photosynthesis

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the effect of increasing humidity on transpiration?

It increases transpiration rate

It decreases transpiration rate

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AP Biology Unit 2 Review

25 questions

What is the molecule illustrated in the figure below?

This is a picture of a?

This is a picture of a?

What macromolecule makes up the cell membrane's lining?

Alpha helix and beta pleated sheets are part of what level of protein structure?

Plants can lose water absorbed by roots through the leaves during which process?

What is the effect of increasing humidity on transpiration?

What is the effect of increasing leaf area on transpiration?

How does carbon enter the food web (go from an inorganic source into an organism)?

How can surface area (SA) be increased?

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