BIO 181 Quizzes Quiz 2 (Modules 3-4)

Question 1

1 / 1 pts

A single pass transmembrane protein that is an alpha helix can make a channel.

True

Correct!

False

Good work

Question 2

1 / 1 pts

Active transport uses ATP to move components in parallel with their concentration gradient, that is: from a high concentration to a low concentration.

True

Correct!

False

Good work

Question 3

1 / 1 pts

The ER is contiguous with the Golgi apparatus.

True

Correct!

False

Good work

Question 4

1 / 1 pts

It is a simple matter (i.e., thermodynamically favorable) for a vesicle to form from the endoplasmic reticulum.

True

Correct!

False

Good work

Question 5

1 / 1 pts

The plasma membrane gets new lipids from:

The lumen of the ER.

The lumen of the Golgi apparatus.

Making new lipids at the plasma membrane.

The nucleus.

Correct!

None of the above.

Good work

Question 6

1 / 1 pts

When a vesicle fuses with the plasma membrane the contents of the lumen of the vesicle are:

Ligands that enter the nucleus.

Ligands that become the part of the plasma membrane.

Correct!

Ligands that are used in cell communication.

Two of the above.

Part of the nuclear pore complex.

Good work

Question 7

0 / 1 pts

Molecular motors use ATP as the energy source to power the molecular motors.

Correct Answer

True

You Answered

False

That’s not correct

Question 8

1 / 1 pts

Cilia and microvilli contain a similar number of parallel actin filaments.

True

Correct!

False

Good work

Question 9

1 / 1 pts

To get into the nucleus a component has to have the correct signal sequence and pass through a nuclear pore.

Correct!

True

False

Good work

Question 10

1 / 1 pts

Chromosomes are made out of Euchromatin.

True

Correct!

False

Good work

Quiz Score: 9 out of 10