Quiz 1

Question 1

What has the least atomic mass

Answer 1

An electron

Question 2

What has to do with isotopes

Answer 2

A neutron

Question 3

What has to do with atomic number

Answer 3

Protons

Question 4

How many electrons can Nitrogen hold in its outer shell?

Answer 4

8

Question 5

How many electrons can Hydrogen hold in its outer shell?

Answer 5

2

Question 6

How do water molecules attach to each other?

Answer 6

Cohesion

Question 7

What is a mixture that needs agitation?

Answer 7

Suspension

Question 8

Being alkaline refers to being what kind of solution?

Answer 8

Basic solution

Question 9

What would a substance such as NaCl be classified as?

Answer 9

A salt

Question 10

A ratio of 1:100 of H+:OH- would have a pH of __.

Answer 10

9

Question 11

A ratio of 1:10 of H+:OH- would have a pH of __.

Answer 11

8

Question 12

A ratio of 10:1 of H+:OH- would have a pH of __.

Answer 12

6

Question 13

A ratio of 10,000:1 of H+:OH- would have a pH of __.

Answer 13

0

Question 14

A ratio of 1:10,000 of H+:OH- would have a pH of __.

Answer 14

14

Question 15

A ratio of 1:1,000 of H+:OH- would have a pH of __.

Answer 15

10

Question 16

A ratio of 1,000:1 of H+:OH- would have a pH of __.

Answer 16

4

Question 17

A ratio of 100:1 of H+:OH- would have a pH of __.

Answer 17

5

Question 18

What is a functional group?

Answer 18

A specific cluster of atoms attached to the carbon skeleton of organic molecules that enters into reactions and behaves in a predictable way.

Question 19

What is the monomer of proteins?

Answer 19

Amino acids

Question 20

What do peptide bonds relate to?

Answer 20

Amino acids

Question 21

When every other glucose in a chain is upside down, what results?

Answer 21

Cellulose

Question 22

For proteins, what structure relates to R groups forming bonds with each other?

Answer 22

Tertiary

Question 23

What would fatty acids with double bonds between carbons most likely be?

Answer 23

Unsaturated and liquid

Question 24

How many is in a phospholipid of: glycerol molecule(s), phosphate(s), fatty acid(s)

Answer 24

one, one, two

Question 25

What molecules exist as two strands that form a double helix?

Answer 25

DNA

Question 26

Which of these molecules is not a nucleic acid?

DNA, RNA, Steroids, or ATP

Answer 26

Steroids

Question 27

What is the general way that one monomer links to another?

Answer 27

Dehydration synthesis

Question 28

Why is carbon so good at covalent bonding?

Answer 28

Because it has 4 outer electrons, so it can easily share one/two or more.

Question 29

What is double covalent bonding?

Answer 29

The sharing of two electrons

Question 30

What is the fundamental difference between the sugar molecule of DNA versus that of a sugar molecule of RNA?

Answer 30

DNA contains Thymine and RNA contains Uracil

Question 31

How do “hydrogen bonds” work with water molecules?

Answer 31

Hydrogens form a hydrogen bond between each other and share electrons. (Cohesion and Adhesion are caused by hydrogen bonding)

Question 32

In the event that a cell receives a monosaccharide such as galactose or fructose, what generally has to happen before the molecule can be used?

Answer 32

It must be converted into glucose

Question 33

Differentiate between a solute and a solvent as may be found in a solution.

Answer 33

A solute is what is dissolved in a solution, and a solvent is the dissolving agent

Question 34

What is one general difference between mRNA and tRNA?

Answer 34

mRNA is a linear shape and tRNA is in a cluster