CHAPTER 3: cell structure and their functions

Question 1

what is the large organelle usually
located near the center of the cell.

Answer 1

nucleus

Question 2

what is the nucleus bounded by

Answer 2

nuclear envelope

Question 3

what are the areas through which
materials can pass into or out of the nucleus.

Answer 3

nuclear pores

Question 4

how many PAIRS of chromosomes do humans have

Answer 4

23

Question 5

how many in total chromosomes do humans have

Answer 5

46

Question 6

what are the chromosomes that are loosely coiled and collective

Answer 6

chromatin

Question 7

what do chromosomes consists of

Answer 7

DNA and protein

Question 8

site where proteins are produced

Answer 8

ribosomes

Question 9

what other organelle can ribosomes be attached to?

Answer 9

endoplasmic reticulum

Question 10

what are the ribosomes that are not attached to any organelle

Answer 10

free ribosome

Question 11

a series of membranes forming sacs and tubules that
extends from the outer nuclear membrane into the cytoplasm.

Answer 11

endoplasmic reticulum

Question 12

what is indicated when there is a large amount of rough ER in the cell

Answer 12

it indicates that it is synthesizing a large amount of protein

Question 13

what is the site of the smooth of ER for

Answer 13

lipids, steroid, and hormones

Question 14

consists of closely packed stacks of curved, membrane-bound sacs.

Answer 14

golgi apperatus

Question 15

what is the job of the Gogli apparatus

Answer 15

to package, collect, modify and distribute proteins and lipids

Question 16

membrane-bound vesicles
formed from the Golgi apparatus.

Answer 16

Lysosomes

Question 17

small membrane bound vesicles containing enzymes that break down fatty acid, amino acid and hydrogen peroxide

Answer 17

peroxisome

Question 18

major sites of adenosine triphosphate (ATP)
production within cells.

Answer 18

Mitochondria

Question 19

what does the mitchondria carry out

Answer 19

aerobic respiration

Question 20

small,
membrane-bound sac that transports or stores
materials within cells.

Answer 20

secretory vesicle

Question 21

where does secretory vesicles pinch off from

Answer 21

golgi apparatus

Question 22

what are the three types of cytoskeleton

Answer 22

microtubles, intermediate fillaments , microfillaments (actin fillaments )

Question 23

helping to support
the cytoplasm of cells, assisting in cell division, and forming essential
components of certain organelles, such as centrioles, cilia and
flagella.

Answer 23

microtubles

Question 24

filaments) structurally support the
cytoplasm, determining cell shape.

Answer 24

microfillaments

Question 25

are smaller in diameter than microtubules
but larger in diameter than microfilaments. They provide mechanical
support to the cell.

Answer 25

intermediate fillament