Ch. 3 (organelles)

Question 1

Nuclear Membrane

Answer 1

“selectively permeable”, surrounds nucleus

Question 2

Nucleoli

Answer 2

location of ribosome assembly

Question 3

Chromatin

Answer 3

“threads that become chromosome”

Question 4

Cytosol

Answer 4

“semitransparent fluid” with nutrients and solutes

Question 5

Inclusion

Answer 5

“not functioning units (stored nutrients, melanin, fat)”

Question 6

Ribosomes

Answer 6

free or attached to E.R., “protein factory”

Question 7

Rough E.R.

Answer 7

“cell’s membrane factory”/makes protein and lipids

Question 8

Smooth E.R.

Answer 8

“cholesterol synthesis”, detox, fat metabolism

Question 9

Golgi Apparatus

Answer 9

“modify and package proteins”

Question 10

Lysosomes

Answer 10

“digestion centers/breakdown bodies” breakdown bodies for worn-out cells/WBCs and foreign substances

Question 11

Peroxisomes

Answer 11

“detox center” alcohol in liver and kidney, disarm free radicals

Question 12

Mitochondria

Answer 12

“powerhouse”, makes ATP, increases in number in muscle and liver

Question 13

Cytoskeleton

Answer 13

protects structures in the cytoplasm/ “bones and muscles of cell”

Question 14

Cilia

Answer 14

moves substances ACROSS/PAST the cell’s surface, “eyelashes”

Question 15

Flagella

Answer 15

“single extension” used for MOVEMENT/sperm

Question 16

Nucleus

Answer 16

“control center”, turns DNA –> protein

Question 17

Microvilli

Answer 17

“Increases cell’s surface area”

Question 18

Organelles

Answer 18

little organs

Question 19

Gap Junction

Answer 19

Junction allowing movement (heart and embryo)

Question 20

Tight Junction

Answer 20

leakproof junction

Question 21

Desmosomes

Answer 21

adhesion junction (skin)