Storing energy, signaling, and acting as structural components of cells.

DIA 2 Review Flashcards

1

Identify the macromolecule

Lipid
Carbohydrate
Nucleic Acid
Protein

2

The enzyme in this graph works best at a pH of

9
6
8
7

3

Identify the Macromolecule

Protein
Lipid
Carbohydrate
Nucleic Acid

4

How do enzymes effect the activation energy of chemical reaction?

By increasing the activation energy of chemical reactions
By keeping the activation energy at a constant rate
Enzymes do not effect the activation energy
By lowering the activation energy of chemical reactions

5

Which line on the graph shows a chemical reaction occurin WITH an enzyme?

Free energy line
black line
Time line
red line

6

Which of the macromolecules contain nitrogen?

proteins only
nucleic acids and proteins
nucleic acids only
proteins and lipids

7

Which of the macromolecules is used as a rapidly available energy source by living things?

Proteins
Carbohydrates
Lipids
Fats

8

What macromolecule is shown below?

Lipids
Proteins
Carbohydrates
Amino acids

9

When the enzymes denature the enzyme ...

changes shape
dies
gets destroyed
becomes a substrate

10

The graph shows the enzyme activity is optimal at

40 Seconds
40 °C
Increasing activity
60 °C

11

What does an enzyme do?

Gives reactant potential energy
Makes more reactant
Lowers activation energy
Lowers product

12

What is another name for the pieces of macromolecules

molynars
monomers
hydrogen carbon bonds
polymers

13

Enzymes are an example of which macromolecule?

Monosaccharide
Lipid
Carbohydrate
Protein

14

Identify the Macromolecule

Protein
Carbohydrate
Nucleic Acid
Lipid

15

Lipid function:

Storing energy, signaling, and acting as structural components of cells.
Provides energy production, energy storage, building macromolecules
Storage and expression of genomic information.
required for the structure, function, and regulation of the body's tissues

DIA 2 Review

Questions 15

DIA 2 Review

Questions 15