BIO 181 Quizzes Quiz 1 (Modules 1-2)

Question 1

1 / 1 pts

In order to examine cells which are smaller than can be detected by the human senses what needs to be used? (pick the best answer).

Patience

Hypotheses

Correct!

Technology

A cell trap

None of the above

Good work

Question 2

1 / 1 pts

In Cell Biology what can limit the progress of science?

Lymphocyte

Progress

Eating

Bacteria

Correct!

Technology

Good work

Question 3

1 / 1 pts

Comparing a single-celled eukaryotic organism with a multicellular organism such as yourself identify the major difference from the list below.

Escape from predator

Finding a mate

Correct!

Division of labor

Find its own food

Nucleus

Good work

Question 4

1 / 1 pts

Compared to bacteria which of the cell types below are not responsible for finding food”

Lymphocyte

Macrophage

Fibroblast

None of the above

Correct!

Answers a, b, and c

Good work

Question 5

1 / 1 pts

A cell that is anchorage-dependent for growth will also exhibit contact inhibition.

Correct!

True

False

Good work

Question 6

1 / 1 pts

A cancer cell will be anchorage-dependent for growth and immortal.

True

Correct!

False

Good work

Question 7

1 / 1 pts

A normal cell is anchorage-dependent for growth and mortal.

Correct!

True

False

Good work

Question 8

1 / 1 pts

In your own multicellular body, cells with different functions have different DNA.

True

Correct!

False

Good work

Question 9

1 / 1 pts

After a cell is pancake-shaped in a cell culture dish, the order of events that occurs as a cell walks is (pick the best order):

Lamellipodia, filopodia, cell muscle, retraction fiber.

Cell muscle, cell super-glue, retraction fiber, lamellipodia.

Correct!

Filapodia, lamellipodia, cell muscle, retraction fiber.

Two of the above.

None of the above.

Good work

Question 10

1 / 1 pts

When cancer cells are crowded by surrounding cells, the cancer cells become spherical and they can still go through cell division.

Correct!

True

False

Good work

Question 11

1 / 1 pts

What limits how big a cell can be?

Color

Wavelength

Correct!

The surface area to volume ratio

Resolution

Type of electron microscopy.

Good work

Question 12

1 / 1 pts

Loss of the cell wall is required for the endosymbiotic theory.

Correct!

True

False

Good work

Question 13

1 / 1 pts

Loss of the cell wall was required for the endomembrane system theory.

Correct!

True

False

Good work

Question 14

1 / 1 pts

Ribosomes bound to some of the membrane invaginations in the endomembrane theory.

Correct!

True

False

Good work

Question 15

1 / 1 pts

Motility improved the fitness of these early cells because:

It allowed them to make a nuclear envelope.

It caused them to acquire ribosomes.

Correct!

It allowed them to move away from predators and towards food.

Two of the above.

None of the above.

Good work

Quiz Score: 15 out of 15

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