Liberty university biol 101 quiz 2

Liberty University BIOL 101 QUIZ 2

BIO 101 QUIZ 2

LIBERTY UNIVERSITY

Attempt Score

64 out of 80 points  

Time Elapsed

28 minutes out of 50 minutes

Instructions

·         Time limit: 50 minutes

·         25 multiple-choice questions

·         Open-book/open-notes

·         Do not hit the BACK button as this will lock you out of the quiz.

·         The timer will continue if you leave this quiz without submitting it.

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·         Question 1

3.2 out of 3.2 points

Respiratory proteins, ion channels, transport proteins and attachment point proteins are all examples of protein found

·         Question 2

0 out of 3.2 points

Which is not
a function of a lipid?

·         Question 3

3.2 out of 3.2 points

A fat molecule consists of:

·         Question 4

0 out of 3.2 points

The function of glycogen is to

·         Question 5

3.2 out of 3.2 points

A single-stranded polymer whose monomers contain the sugar ribose and the nitrogenous base uracil:

·         Question 6

3.2 out of 3.2 points

A prokaryotic cell is protected against osmotic swelling and rupture by its

·         Question 7

3.2 out of 3.2 points

The saturated fats of animals differ from the unsaturated ones of plants. Unsaturated fats have

·         Question 8

3.2 out of 3.2 points

The four major classes of biomolecules are:

·         Question 9

3.2 out of 3.2 points

Prokaryotic organisms have a definite lack of which of the following?

·         Question 10

3.2 out of 3.2 points

The polymer _______ enables the cell’s information to flow from DNA out into the cell cytoplasm in a more expressible form.

·         Question 11

3.2 out of 3.2 points

A large polymeric molecule that is nonpolar over most of its structure but very polar at one end:

·         Question 12

0 out of 3.2 points

Which of the following is the name for a class of sugar molecules?

·         Question 13

3.2 out of 3.2 points

A eukaryotic cell that needs to have a lot of ATP energy would have lots of

·         Question 14

3.2 out of 3.2 points

A sugar is a carbohydrate because a sugar molecule

·         Question 15

3.2 out of 3.2 points

Which base is used in RNA but not DNA?

·         Question 16

3.2 out of 3.2 points

Five of the six carbon atoms in a glucose molecule are typically found

·         Question 17

0 out of 3.2 points

A eukaryotic cell structure (organelle) that results when a vesicle formed from the Golgi complex simply remains in the cytoplasm of the cell:

·         Question 18

3.2 out of 3.2 points

DNA contains four kinds of nitrogenous bases whose principle function is

·         Question 19

3.2 out of 3.2 points

________ and ________ are structures that walk along microtubules in the eukaryotic cell carrying vesicles from place to place.

·         Question 20

3.2 out of 3.2 points

Which of these cell organelles has ribosomes in its membranes? (Ribosomes do protein synthesis.)

·         Question 21

3.2 out of 3.2 points

The small intestine signals the _________ cell that food is present; the signal is a ______ that binds to _____________ on the cell.

·         Question 22

0 out of 3.2 points

Cells are small because

·         Question 23

3.2 out of 3.2 points

What stimulates the release of the enzyme amylase into the pancreatic duct so that it can break down starches?

·         Question 24

3.2 out of 3.2 points

____________ house enzymes that trap carbon dioxide and bind it to larger substrate molecules.

·         Question 25

3.2 out of 3.2 points

Discrete, visible lengths of DNA sequence found in human cell nuclei are known as