Mid-Term

Question 1

What is a word for a measure of disorder?

Answer 1

Entropy

Question 2

What form of energy is ATP?

Answer 2

Potential Energy

Question 3

A covalent bond between hydrogen and carbon contains ___________ energy:

Answer 3

Potential Energy (covalent bonds can be broken to produce energy).

Question 4

Enzymes increase the rate of a reaction by __________

Answer 4

decreasing the activation energy

Question 5

Osmosis can be defined as:

Answer 5

The diffusion of water

Question 6

___________ is the main energy source for cells:

Answer 6

ATP

Question 7

During cellular respiration, the energy in glucose ______________

Answer 7

Is carried by electrons

Question 8

Where in the cell does glycolysis occur?

Answer 8

Outside the mitochondria

Question 9

The final electron recptor of aerobic respiration is:

Answer 9

Oxygen

Question 10

What must pyruvic acid be converted to before it can enter the citric acid cycle?

Answer 10

Acetyl CoA

Question 11

What were antibiotics first isolated from?

Answer 11

Mold

Question 12

What are the main components of a cell membrane?

Answer 12

Lipids and proteins (lipid bilayer)

Question 13

What are the functions of a plant cell wall?

Answer 13

To protect the cell, maintain the cell’s shape, and keep the cell from absorbing too much water.

Question 14

What is energy?

Answer 14

The capacity to cause change

Question 15

What is kinetic energy?

Answer 15

The energy of motion

Question 16

Food calories - “1C” means / indicates -

Answer 16

1000 calories

Question 17

Enzymes are

Answer 17

Biological catalysts

Question 18

Generally enzymes are named with which ending?

Answer 18

-ase (like protease)

Question 19

Substrate of the enzyme binds to the:

Answer 19

Active site of the enzyme

Question 20

The enzyme that catalyses to digest protein is

Answer 20

protease

Question 21

Macromolecules (large biomolecules) of life / our body are:

Answer 21

proteins, lipids, carbohydrates, and nucleic acids

Question 22

Subatomic particles are

Answer 22

Protons, Neutrons, and Electrons

Question 23

The example of the simplest hydrocarbon is

Answer 23

methane

Question 24

The example of the simplest hydrocarbon is:

Answer 24

Methane

Question 25

Carbon is a versatile atom. How many electrons are in an outer shell of carbon?

Answer 25

4 electrons

Question 26

One of the main differences between prokaryotic and eukaryotic cells is:

Answer 26

nucleus and nuclear membrane

Question 27

Viruses are

Answer 27

noncellular

Question 28

A green plant can do photosynthesis because of its

Answer 28

thylakoid membrane and chloroplast

Question 29

What is an example of something acidic in nature?

Answer 29

lemon juice or vinegar

Question 30

Dehydration means:

Answer 30

Losing water from the body

Question 31

The pH of human blood is:

Answer 31

7.4