Cells The Living Units

Question 1

smallest living functional unit

Answer 1

cell

Question 2

three basic parts of a cell

Answer 2

plasma membrane, cytoplasm, nucleus

Question 3

fluid outside the cell

Answer 3

extracellular material

Question 4

made up of a phospholipid bilayer that controls what goes into and out of the cell

Answer 4

plasma (cell) membrane

Question 5

___ ___ are part of the plasma membrane and their function is to bind cells together

Answer 5

cell junctions

Question 6

1. tight junctions
2. desmosomes
3. gap junctions

Answer 6

3 types of cell junctions

Question 7

movement of molecules from an area of higher concentration to an area of lower concentration
(type of passive transport)

Answer 7

diffusion

type of passive transport

Question 8

water particles move through a layer only certain molecules can pass through
(type of passive transport)

Answer 8

osmosis

Question 9

large molecules that cannot cross are helped with carrier proteins
(type of passive transport)

Answer 9

facilitated diffusion

Question 10

the ability of a solution to cause a cell to gain or lose water

Answer 10

tonicity

Question 11

process in which a cell engulfs extracellular material through an inward folding of its plasma membrane (cytosis = referring to cells) (phagocytosis & pinocytosis)

endocytosis or exocytosis?

Answer 11

endocytosis

Question 12

cellular “eating”
(type of endocytosis)

Answer 12

phagocytosis

Question 13

cellular “drinking”
(type of endocytosis)

Answer 13

pinocytosis

Question 14

process that moves large molecules and waste out of the cytoplasm and into the exterior of the cell

constitutive & regulated

endocytosis or exocytosis?

Answer 14

exocytosis

Question 15

cells continuously release secretory materials
(type of exocytosis)

constitutive or regulated?

Answer 15

constitutive

Question 16

cells store secretory materials and release them in response to a specific signal
(type of exocytosis)

constitutive or regulated?

Answer 16

regulated

Question 17

___ ___ can be used in IV fluids to increase intravascular volume, treat blood loss, dehydration, and other fluid loss (found in sports drinks)

Answer 17

isotonic solutions

Question 18

___ ___ can be administered to expand blood volume and elevate blood pressure (found in sea water, maple syrup, glucose solution, lemonade, orange juice, and alcohol)

hypertonic or hypotonic?

Answer 18

hypertonic solutions

Question 19

___ ___ can be used to treat hydroelectrolyte disturbances (found in salt water, glucose solutions, pure water, and plain tea)

hypertonic or hypotonic?

Answer 19

hypotonic solutions

Question 20

vesicle transport is a form of active transport and its processes include ___ & ___

Answer 20

endocytosis & exocytosis