The Cellular Level of Organization

Question 1

Cytoplasm

Answer 1

the cellular content between the plasma and nucleus.

Question 2

Cytosol

Answer 2

is fluid part of cytoplasm that contains water, dissolved solutes, suspended particles

Question 3

plasma membrane

Answer 3

is structure built from phosolipids and integral proteins. Reguates floe of materials and forms the cell’s outer surface separating the inside from the outside. Represents a flowing sea.

Question 4

lipid bilayer

Answer 4

a thin polar membrane made of two layers of lipid molecules ; moved ions in and out of cell

Question 5

Integral proteins

Answer 5

extend into or through bilayer in plasma membrane.

Question 6

Peripheral proteins

Answer 6

attach to inner outer surface but dont extend through membrane.

Question 7

Glycoproteins

Answer 7

a molecule that consists of a carbohydrate plus a protein

Question 8

hydrostatic pressure

Answer 8

pressure that forces water molecules to move back into the direction they came from.

Question 9

osmotic pressure

Answer 9

amount of force applied to a solution to prevent a solvent from moving across a semipermeable membrane.

Question 10

vesicles

Answer 10

small, spherical membrane sac

Question 11

exocytosis

Answer 11

materials moving out of cell

Question 12

endocytosis

Answer 12

materials moving into cell

Question 13

transcytosis

Answer 13

both exocytosis and endocytosis mixed together

Question 14

tonicity

Answer 14

a measure of the solution’s ability to change the volume of cells by altering their water content

Question 15

antiporter

Answer 15

a membrane protein that transports two molecules at the same time in the opposite direction.

Question 16

symporters

Answer 16

a membrane protein that transports two molecules at the same time in the same direction.

Question 17

centrosome

Answer 17

located near nucleus, consists of a pair of centrioles and pericentriolar material.

Question 18

microvilli

Answer 18

non motile, microscopic finger like projections of the plasma membrane.

Question 19

microtubules

Answer 19

long, unbranched hollow tubes composed mainly of tubulin ; maintain cell structure

Question 20

cilia

Answer 20

short, hairlike projections that extend from cell’s surface. can move part of a cell

Question 21

flagella

Answer 21

longer than cilia, can move an entire cell

Question 22

ribosomes

Answer 22

site of protein synthesis.

Question 23

entry face

Answer 23

a cisterna that faces rough ER

Question 24

exit face

Answer 24

a cisterna that faces the plasma membrane

Question 25

autophagy

Answer 25

your body’s process of reusing old and damaged cell parts

Question 26

autolysis

Answer 26

the destruction of cells or tissues by their own enzymes

Question 27

nucleoli

Answer 27

a small dense spherical structure in the nucleus

Question 28

chromatids

Answer 28

process before forming chromosomes

Question 29

proteome

Answer 29

the complete set of proteins expressed by an organism, cell, or tissue

Question 30

base triplet

Answer 30

a 3 nucleotide sequence in DNA

Question 31

cell division

Answer 31

when cells reproduce themselves

Question 32

somatic cell

Answer 32

any body cell other than a gamete

Question 33

diploid cells

Answer 33

two sets of chromosomes

Question 34

cytokinesis

Answer 34

cytoplasmic division of a cell at the end of mitosis or meiosis

Question 35

good luck!!

Answer 35

you got this!!