q2

Question 1

People with lactose intolerance do not have enough ________.

Answer 1

lactase

Question 2

Which of the following is an example of a polysaccharide?

Answer 2

starch

Question 3

________ is a hydroxyl group.

Answer 3

–OH

Question 4

In the following reaction, galactose is a ________.

galactose + glucose → lactose + water

Answer 4

monomer

Question 5

What name is given to the following reaction?

galactose + glucose → lactose + water

Answer 5

dehydration

Question 6

What name is given to the following reaction?

sucrose + water → glucose + fructose

Answer 6

hydrolysis

Question 7

Carbohydrates typically include ________.

Answer 7

C, H, and O atoms

Question 8

Which of the following are isomers?

Answer 8

glucose and fructose

Question 9

Table sugar is ________.

Answer 9

sucrose, a disaccharide

Question 10

Cellulose is an example of ________.

Answer 10

fiber

Question 11

Saturated fats are saturated with ________.

Answer 11

hydrogen

Question 12

By definition, what type of fatty acid has double bonds?

Answer 12

unsaturated

Question 13

Which of the following is a health effect of a diet high in saturated fats?

Answer 13

increased risk of heart attack

Question 14

Proteins are polymers constructed from __________ monomers.

Answer 14

amino acid

Question 15

If one strand of a DNA double helix has the sequence AGTACTG, what will be the sequence of the other strand?

Answer 15

TCATGAC

Question 16

A DNA molecule has the sequence AGTTCAACT. The equivalent RNA molecule would have the sequence ________.

Answer 16

AGUUCAACU

Question 17

When using a microscope to view cells you obtained from scraping under your fingernails, you notice that the cells lack nuclei; therefore, you conclude that the cells must be a type of ________ cell.

Answer 17

prokaryotic

Question 18

One difference between eukaryotic and prokaryotic cells is that eukaryotic cells _________ prokaryotic cells.

Answer 18

have membrane-enclosed structures called organelles, which are lacking in

Question 19

Where does protein synthesis take place?

Answer 19

on ribosomes

Question 20

Plant cells, unlike animal cells, are characterized by the presence of a ___________.

Answer 20

cell wall and a central vacuole

Question 21

In eukaryotic cells, what name is given to the region between the nucleus and the plasma membrane?

Answer 21

cytoplasm

Question 22

Which of the following is a function of the plasma membrane?

Answer 22

regulate the traffic of chemicals in and out of the cell

Question 23

________ are the major lipids of plasma membranes.

Answer 23

Phospholipids

Question 24

Information is transferred from the nucleus to ribosomes via ________.

Answer 24

mRNA

Question 25

A hormone that will be secreted from a cell is manufactured by ribosomes ________.

Answer 25

attached to the endoplasmic reticulum

Question 26

Based on its function in detoxifying drugs, you would expect to find a large amount of smooth ER in ________ cells.

Answer 26

liver

Question 27

What structures move proteins from the ER to the Golgi apparatus?

Answer 27

transport vesicles

Question 28

The function of mitochondria is ___________.

Answer 28

cellular respiration

Question 29

The structural combination of DNA and protein forms ________.

Answer 29

chromatin

Question 30

Functions of the smooth endoplasmic reticulum include ________.

Answer 30

lipid synthesis, steroid synthesis, and drug detoxification