Cells

Question 1

building blocks of all living things

Answer 1

cells

Question 2

bathed in a dilute saltwater solution called interstitial fluid derived from the blood

Answer 2

cells

Question 3

cells are organized into three main regions?

Answer 3

nucleus
cytoplasm
plasma membrane

Question 4

control center of the cell

Answer 4

Nucleus

Question 5

contains genetic material (DNA)

Answer 5

nucleus

Question 6

three main regions of nucleus

Answer 6

nuclear membrane
nucleolus
chromatin

Question 7

barrier of the nucleus

Answer 7

nuclear membrane

Question 8

consists of a selectively permeable, double phospholipid membrane

Answer 8

nuclear membrane

Question 9

fluid similar to cytoplasm

Answer 9

chromatin

Question 10

consists of nuclear pores that allow for exchange of material with the rest of the cell

Answer 10

nuclear membrane

Question 11

sites of ribosome production and partial assembly

Answer 11

nucleoli

Question 12

a protein-lined channel in the nuclear envelope that regulates the transportation of molecules between the nucleus and the cytoplasm

Answer 12

nuclear pores

Question 13

after nucleoli, the ribosomes then migrate to cytoplasm through what?

Answer 13

nuclear pores

Question 14

composed of unwound DNA and protein - used for making proteins

Answer 14

chromatin

Question 15

scattered throughot nucleus

Answer 15

chromatin

Question 16

condenses to form chromosomes when the cell divides

Answer 16

chromatin

Question 17

barrier for cell contents

Answer 17

plasma membrane

Question 18

water loving

Answer 18

hydrophilic heads

Question 19

wate fearing

Answer 19

hydrophobic tails

Question 20

other materials in the plasma membrane

Answer 20

protein
cholesterol
glycoprotein

Question 21

receptors, cell recognition and communication, channels for transport

Answer 21

protein

Question 22

keep membrane fluid and stable

Answer 22

cholesterol

Question 23

receptors, cell-to-cell interactions

Answer 23

glycoproteins

Question 24

finger-like projections that increase surface area for absorption

Answer 24

microvilli

Question 25

material outside the nucleus and inside the plasma membrane

Answer 25

cytoplasm

Question 26

membrane junction that is impermeable, leak-proof sheets

Answer 26

tight junction

Question 27

membrane junction anchoring that prevents cells from being separated

Answer 27

desmosomes

Question 28

membrane junction allow communication between cells through connexons that span the two cell membranes

Answer 28

gap junctions

Question 29

fluid containing nutrients dissolved in water that suspends other elements

Answer 29

cytosol

Question 30

metabolic machinery of the cell

Answer 30

organelles

Question 31

a thin layer of fluid which surrounds the body’s cells. Interstitial fluid has become useful in the monitoring of glucose levels in people with diabetes.

Answer 31

interstitial blood