Transport and the Cell Membrane

Question 1

Hydrophobic

Answer 1

Repels water

Question 2

Hydrophilic

Answer 2

Attracts water

Question 3

Covalent Bond

Answer 3

The sharing of electron pairs between two atoms

Question 4

Polar

Answer 4

one side is more positive than the other

Question 5

Ion

Answer 5

A charged atom

Question 6

Nonpolar

Answer 6

electrons are shared equally all around

Question 7

Lipid

Answer 7

a fat

Question 8

Phospholipid

Answer 8

Has a hydrophilic head and hydrophobic tail

Question 9

Protein

Answer 9

a molecule made up of amino acids that make up the phenotype of an organism

Question 10

Solubility

Answer 10

the capability of being dissolved

Question 11

Phenotype

Answer 11

appearance

Question 12

Solute

Answer 12

Substance that dissolves in a solvent

Question 13

Solvent

Answer 13

A substance that dissolves solutions

Question 14

Molarity

Answer 14

How much solute is in a solvent

Question 15

Tonicity

Answer 15

Comparing molarity between two solutions

Question 16

Concentration Gradient

Answer 16

A change in concentration of solutes in a solution

• How much “stuff” is in a solution
• How much tonicity

Question 17

Electrical GRadient

Answer 17

Difference in charge, so they want to spread and create a mix

Question 18

Passive Transport

Answer 18

Movement of molecules through a cell membrane without energy

Question 19

Active Transport

Answer 19

Movement of molecules through a cell membrane with energy

Question 20

Diffusion

Answer 20

the passive movement of molecules or particles along a concentration gradient from high to low

Question 21

Osmosis

Answer 21

The diffusion of water

Question 22

Number of major parts in an atom

Answer 22

2

Question 23

Major parts in an atom

Answer 23

• Orbitals (contains electrons)

- Nucleus (contains protons and neutrons)

Question 24

Charge of Electrons

Answer 24

Negative

Question 25

Charge of Neutrons

Answer 25

Neutral/No charge

Question 26

Charge of Protons

Answer 26

Positive

Question 27

Atomic Number

Answer 27

- Tells the number of protons in the nucleus and electrons on the orbital

Question 28

Isotope

Answer 28

An atom that contains a different number of neutrons than other atoms of that element

Question 29

Chemical Reactivity

Answer 29

The way chemicals react with other chemicals

Question 30

Cytoplasm

Answer 30

watery fluid that is inside of a cell