Bio Cell Exam 2

Question 1

nucleus

Answer 1

stores DNA

Question 2

endomembrane system

Answer 2

a network of membrane-bound chambers where protein targeting and processing takes place

Question 3

rough ER

Answer 3

has ribosomes, makes polypeptides and has signal sequences to facilitate protein targeting

Question 4

smooth ER

Answer 4

contains enzymes, synthesis carbs and lipids, detoxification

Question 5

ribosomes

Answer 5

bound to rough ER, makes proteins

Question 6

gylcosylation

Answer 6

process in which carbs are added to proteins in the Golgi

Question 7

lysosomes

Answer 7

contain hydrolytic enzymes, undergo digestion

Question 8

vacuoles

Answer 8

large membrane-bound sacs, storage

Question 9

cytoskeleton

Answer 9

complexion of proteins in the cytoplasm holding everything together- internal support and cell movement

Question 10

3 types of cytoskeleton

Answer 10

microfilaments, intermediate filaments and microtubules

Question 11

microfilaments

Answer 11

made of actin, changes cell shape and contraction

Question 12

intermediate filaments

Answer 12

made of fibrous, maintain cell shape and support

Question 13

microtubules

Answer 13

hollow tubes of tubulin, help in mitosis and movement

Question 14

mitochondria

Answer 14

cell respiration, convert nutrients into ATP, maternally inherited

Question 15

chloroplasts

Answer 15

only in plants and some protests, convert sunlight energy to chemical energy