Cells

Question 1

atoms

Answer 1

smallest chemical molecules

Question 2

molecules

Answer 2

2 or more atoms

Question 3

macromolecules

Answer 3

proteins
carbohydrates
lipids

Question 4

cellular

Answer 4

cells are the basic unit of life

Question 5

tissue level

Answer 5

group of similar cells together

Question 6

organ level

Answer 6

two or more tissues work together

Question 7

organ system

Answer 7

group of organs working together

Question 8

plasma cell membrane

Answer 8

provides a physical barrier between the intracellular envrinoment and the extracellular fluid
controls the inputs and outputs into the cell

Question 9

nucleus

Answer 9

contains dna which controls cellular function by enconding for proteins

Question 10

rough endo plasmic reticulum

Answer 10

modifies and transports protiens
folds and transports

Question 11

smooth endoplasmic reticulum

Answer 11

syntheis of lipids
synthesis of steroid based hormones
breakdown glycogen to glucose
detoxify drugs

Question 12

cilia

Answer 12

whiplike structures projections move substances in one directions

Question 13

golgi apparatus

Answer 13

stacked flatterned membrane sacs modify concentrate package protein

Question 14

peroxisomes

Answer 14

spherical membrane sacs contain enzymes breakdown, recycle damage cell

Question 15

cytoskeleton

Answer 15

microfilament and microtubule
network of proteins that support cell structure

Question 16

centrosome

Answer 16

form spindle fibres

Question 17

lysozymes

Answer 17

spherical membrane sacs hydrolytic enzymes digest bacteria

Question 18

plasma membrane structure

Answer 18

hydrophilic phosphate head
hydrophobic fatty acid tails
protien pumps and channels
aquaporin
integral proteins- glycoprotein and glycolipid
cholesterol- stifness increase

Question 19

osmosis

Answer 19

net movement of water molecules from a high concentration to a low concentration through an aquaporin

hypotonic to hypertonic

Question 20

active transport

Answer 20

movement from a low concentration to high concentration using a protein pump and atp

Question 21

facilitated diffusion

Answer 21

movement from a high concentration to a low concentration that is large through protein channel

Question 22

simple diffusion

Answer 22

net movement of particles from high concentraion to a low concentration

Question 23

isotonic

Answer 23

same concentration

Question 24

hypotonic

Answer 24

low concetration of solute high water concentration

Question 25

hypertonic

Answer 25

higher concentration of solute low water concentration