The Cell

Question 1

Regulates movement of materials in and out of the cell:
Cytoplasm
ribosome
Plasma membrane
golgi complex

Answer 1

Plasama membrane

Question 2

Microfilament plays a role in ____ and ___ _____

Answer 2

muscle contraction and cell division

Question 3

lysosome

Answer 3

digests substances brought into cell and destroys old parts

Question 4

Rough ED is studded with ribosomes and produces what?

Answer 4

membrane

Question 5

smooth endo plasmic reticulum

Answer 5

detoxifies drugs and produces membrane

Question 6

nucleolus

Answer 6

produces components of ribosomes (RNA and Proteins)

Question 7

Ribosomes begin what process

Answer 7

Protein synthesis

Question 8

the _______ provides the cell with energ through breakdown of glucose during cellular respiration

Answer 8

Mitochondrion

Question 9

maintains cell shape and forms tracks on which vesicles move?
microtubule
microfilament
mitochondrion

Answer 9

microtubule

Question 10

passive transport

Answer 10

movement across the membrane that doesnt require energy
simple diffusion
facilitated diffusion,
osmosis

Question 11

Active transport

Answer 11

movement across the membrane that requires energy

Question 12

role of cholesterol in plasma membrane

Answer 12

helps maintain membrane fluidity

Question 13

true or false: simple diffusion:
Movement of a substance following a concentration gradient, from high to low concentration resulting in equal distribution

Answer 13

TRUE

Question 14

Facilitated diffusion

Answer 14

requires a carrier protein

Question 15

osmosis

Answer 15

water moves from high concentration to low concentration

Question 16

hypertonic solution

Answer 16

greater solute concentration

Question 17

isotonic has what amount of solute concentration

Answer 17

same

Question 18

hypotonic has what amount of solute concentration

Answer 18

less solute

Question 19

two characteristics of active transport

Answer 19

Requires energyMovement from a region of lower to higher concentration with the aid of a carrier protein and energy, typically ATP

Question 20

phagocytosis is what type of endocytosis

Answer 20

cell eating -large particles or bacteria

Question 21

Pinocytosis is what endocytosis

Answer 21

cell drinking - droplets of fluid

Question 22

exocystosis

Answer 22

process by which a membrane - bound vesicle from inside the cell fuses with the plasma membrane and spills contents outside

Question 23

true or false:

the rough endoplasmic reticulum contains ribosomes that guide the process cellulose synthesis

Answer 23

the rough endoplasmic reticulum contains ribosomes that guide the process protein synthesis

Question 24

smooth endoplasmic reticulum

Answer 24

lacks ribosomes

Involved in the production of phospholipids, carbohydrates and detoxification of alcohol (hepatocytes)