The Cell

Question 1

plasma membrane

Answer 1

barrier between intracellular/extracellular compartments & controls what goes in/out of the cell

Question 2

cytoplasm

Answer 2

provides strength, structure, and support, and maintains cell shape.

Question 3

nucleus

Answer 3

Control center of a cell. Spherical or oval structure, dark in appearance.

Question 4

centriole

Answer 4

duplicate prior to cell division and help anchor spindle fibers (barrel-shaped).

Question 5

mitochondria

Answer 5

site of cellular respiration which produces ATP.

Question 6

ribosomes

Answer 6

site of protein synthesis (makes proteins).

Question 7

rough endoplasmic reticulum

Answer 7

produces, modifies and packages secretory proteins.

Question 8

golgi apparatus

Answer 8

refines and alters molecules intended for both secretion and internal use. produces lysosomes.

Question 9

lysosome

Answer 9

digestion of absorbed material and internally produced waste.

Question 10

inclusion bodies

Answer 10

storage granules.

Question 11

proteasome

Answer 11

responsible for breaking down individual misfolded or abnormal protein molecules.

Question 12

microtubules

Answer 12

forming of the mitotic spindle during cell division.

Question 13

intermediate filaments

Answer 13

resist pulling forces.

Question 14

microfilaments

Answer 14

cellular muscle

Question 15

nuclear pores

Answer 15

the hole that transports mRNA out

Question 16

chromosomes

Answer 16

carry the basic genetic material – DNA.

Question 17

chromatids

Answer 17

an unwinded version of a chromosome.

Question 18

centromere

Answer 18

part where the chromatids attach.

Question 19

nuclear envelope

Answer 19

separates the nucleus from surrounding cytosol

Question 20

chromatin

Answer 20

DNA portion contains sequence code for making proteins and enzymes that control molecular interactions.

Question 21

nucleolus

Answer 21

location of synthesis of ribosomal subunits.

Question 22

cytosol

Answer 22

helps transport molecules inside cell and supports cell membrane.

Question 23

smooth endoplasmic reticulum

Answer 23

produces, modifies, and packages lipids and carbohydrates.

Question 24

peroxisome

Answer 24

detoxify various molecules such as alcohol and formaldehyde

Question 25

microvilli

Answer 25

finger-like projects