cells and tissues

Question 1

the stuctural units of all living things

Answer 1

cells

Question 2

the stuctural units of all living things

Answer 2

cells

Question 3

how many cells does a human body have

Answer 3

50-100 trillion

Question 4

cell composed of four element

Answer 4

carbo,hydrogen,oxygen,nitrogen

Question 5

3 main regions of a cell

Answer 5

nucleus,cytoplasm,plasma membrane

Question 6

act as an adhesive or cellularr glue

Answer 6

glycoproteins

Question 7

site of most cellular activities

Answer 7

cytoplasm

Question 8

fluid that suspends other element

Answer 8

cytosol

Question 9

fluid that suspends other element

Answer 9

cytosol

Question 10

metabolic machinery of the cell

Answer 10

organelles

Question 11

metabolic machinery of the cell

Answer 11

organelles

Question 12

chemical substances,such as stores nutrients or cell products

Answer 12

inclusion

Question 13

provides the cell with an internal framework

Answer 13

cytoskeleton

Question 14

provides the cell with an internal framework

Answer 14

cytoskeleton

Question 15

largest

Answer 15

microfilaments

Question 16

largest

Answer 16

microfilaments

Question 17

mechanical support for the celll

Answer 17

intermediate filaments

Question 18

mechanical support for the celll

Answer 18

intermediate filaments

Question 19

smallest

Answer 19

microtubules

Question 20

secretes cable like fibers

Answer 20

fibroblast

Question 21

carries oxygen in the bloodstream

Answer 21

erythrocyte

Question 22

• cells that cover and line body organs
• intermediate fibers resist tearing during rubbbing or pulling

Answer 22

epithelial cell

Question 23

• cells that move organs and body parts

Answer 23

skeletal muscle and smooth muscle cells

Question 24

cells that stores nutrient

Answer 24

fat cells

Question 25

cells that fights diseases

Answer 25

macrophage

Question 26

cells that fights diseases

Answer 26

macrophage

Question 27

-cell that gathers information and controls body functions - receives and transmit messages to other body structure

Answer 27

nerve cell

Question 28

-cell that gathers information and controls body functions - receives and transmit messages to other body structure

Answer 28

nerve cell

Question 29

- largest cell in the body - divides to become an embryo upon fertilization

Answer 29

oocyte

Question 30

- largest cell in the body - divides to become an embryo upon fertilization

Answer 30

oocyte

Question 31

- built for swimming to the egg for fertilization

Answer 31

sperm cell

Question 32

acts as a motile whip

Answer 32

flagellum

Question 33

acts as a motile whip

Answer 33

flagellum

Question 34

solution conaining gases,nutrients, and salts dissolved in water

Answer 34

intracellular fluid

Question 35

solution conaining gases,nutrients, and salts dissolved in water

Answer 35

intracellular fluid

Question 36

- fluid on the exterior of the celll - contains hormones,neutrotransmitters,salts, waste products

Answer 36

interstitial fluid

Question 37

no energy (ATP) is required

Answer 37

passisive processes

Question 38

cell must provide metabolic energy (ATP)

Answer 38

Active processes

Question 39

particles tend to distribute themselves evenly within a solution

Answer 39

diffusion

Question 40

- an unaassited are lipid- soluble - solutes are lipid soluble or small enough to pass through membrane pores

Answer 40

simple diffusion

Question 41

higly polar water molecules easily cross the plasma membrane through aquaporins

Answer 41

osmosis

Question 42

water and solutes are forced through a membrane by fluid or hydrostatic pressure

Answer 42

filltration

Question 43

- Amino acids, some sugars, and ions are transported by protein carriers as solute pumps

Answer 43

ACTIVE TRANSPORT

Question 44

substances are moved without actually crossing the plasma membrane

Answer 44

vesicular transport

Question 45

substances are moved without actually crossing the plasma membrane

Answer 45

vesicular transport

Question 46

moves material out of the cell

Answer 46

exocytosis

Question 47

moves material out of the cell

Answer 47

exocytosis

Question 48

extracellular substances are engulfed by being enclosed in a membranous vesicle

Answer 48

endocytosis

Question 49

extracellular substances are engulfed by being enclosed in a membranous vesicle

Answer 49

endocytosis

Question 50

- cell eating - cell engulfs large particle such as bacteria or dead body cells

Answer 50

phagocytosis

Question 51

- cell drinking - cell gulps droplets of extracellular fluid containing dissolved proteins or fats

Answer 51

pinocytosis

Question 52

- cell drinking - cell gulps droplets of extracellular fluid containing dissolved proteins or fats

Answer 52

pinocytosis

Question 53

- method for taking up specific target molecules

Answer 53

receptor mediated endocytosis