AP Biology Cell Membranes Tuff!

AP Biology Cell Membranes Tuff!

11th Grade - University

30 Qs

quiz-placeholder

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AP Biology Cell Membranes Tuff!

AP Biology Cell Membranes Tuff!

Assessment

Quiz

Biology

11th Grade - University

Hard

NGSS
HS-LS1-3

Standards-aligned

Used 161+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Biological membranes are composed primarily of 

nucleotides and nucleosides
enzymes, electron acceptors, and electron donors
monosaccharides and diasaccharides
lipids

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The compounds in biological membranes that form a barrier to the movement of hydrophilic materials across the membrane are 

integral membrane proteins
carbohydrates
lipids
peripheral membrane proteins

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In biological membranes, the phospholipids are arranged in a _______, with the_______.

bilayer; fatty acids pointing toward each other
bilayer; fatty acids facing outward
single layer; fatty acids facing the interior of the cell
single layer; phosphorus-containing region facing the interior of the cell

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A characteristic of plasma membranes that helps them fuse during vesicle formation and phagocytosis is the

ratio of one protein molecule for every 25 phospholipid molecules
capacity of lipids to associate and maintain a bilayer organization
constant length of the fatty acid chain and the degree of saturation
ability of phospholipid molecules to flip over and trade places with other phospholipid molecules

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement about cholesterol molecules is true?

They help hold a membrane together.
They alter the fluidity of the membrane.
They attach to carbohydrates.
They disrupt membrane function.

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

House plants adapted to indoor temperatures may die if they are left outdoors, because in a cold environment their

 DNA cannot function.
membranes lack adequate fluidity.
photosynthesis is impaired.
membranes contain too many unsaturated fatty acids.

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In hibernating animals during the winter

signal transduction pathways cease.
membrane lipid composition changes: saturated fatty acids are replaced withunsaturated fatty acids.
membranes toughen as more saturated fatty acids accumulate in them.
there are no changes in lipid composition.

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