Extra Info

Question 1

What are molecules that influence the rates of chemical reactions but are not consumed in the process

Answer 1

Catalysts

Question 2

What is a chemical bond between atoms that shares electrons

Answer 2

Covalent

Question 3

The attraction of positive hydrogen end of a polar molecule to the negative nitrogen or oxygen end is called what?

Answer 3

Hydrogen bond

Question 4

What are positively charged ions?

Answer 4

Cations

Question 5

What are negatively charged ions

Answer 5

Anions

Question 6

what are chemicals that resist PH change

Answer 6

Buffers

Question 7

Solutions with more hydrogen ions that hydroxide ions are considered what

Answer 7

Acidic pH values less than 7.0

Question 8

Solutions with fewer hydrogen ions than hydroxide ions are what

Answer 8

Basic (alkaline) pH greater than 7

Question 9

What are some inorganic molecules

Answer 9

Water. Oxygen. Carbon dioxide.

Question 10

What is the main difference between organic and inorganic substances.

Answer 10

Inorganic dissolve in water and disassociate, forming ions. Organic mostly dissolve in alcohol, the ones that do dissolve in water don’t realize ions.

Question 11

What is a polysaccharide abundant in plants?

Answer 11

Cellulose

Question 12

What do humans synthesize that is similar to starch?

Answer 12

Glycogen

Question 13

What are the building blocks of fat molecules?

Answer 13

Fatty acids and glycerol

Question 14

What is fatty acids is when single carbon atoms bind as many hydrogen atoms as possible?

Answer 14

Saturated

Question 15

What’s the difference between saturated and Unsaturated fats

Answer 15

Saturated are more abundant in fatty solid food. Unsaturated are in foods that are liquid at too temp.

Question 16

What are the most heart healthy fats

Answer 16

Monounsaturated

Question 17

What process produces trans fats

Answer 17

Hydrogenation

Question 18

What proteins carry oxygen in the blood and muscles

Answer 18

Hemoglobin and myoglobin

Question 19

What are enzymes

Answer 19

Catalysts in living systems; speed chemical rearixons without being consumed

Question 20

What lipid is connected by 4 rings of carbon?

Answer 20

Steroids is

Question 21

What lipid is three fatty acid molecules bound to a glycerol molecule

Answer 21

Triglycerides

Question 22

What is the name given to cells with nuclei

Answer 22

Eukaryotic “true nucleus”

Question 23

What name is given to cells of bacteria

Answer 23

Prokaryotic

Question 24

Name some biochemical reactions from peroxisomes

Answer 24

Synthesis of vile acids in fat disgetion. Breakdown of lipids called very long cabin fatty acids. Degradation of rare biochemicals. Detox of alcohol. Form phospholipids of nervous system

Question 25

When can diffusion only occur

Answer 25

If the cell membrane is permeable to that substance and a concentration gradient exists such that the substance is at a higher concentration on one side of the membrane or the other

Question 26

What form of movement through the cell does HIV use

Answer 26

Transcytosis