incorrect things to go over

Question 1

give 2 functions of the plasma membranes

Answer 1

regulates the movements of substances

receptors allow it to respond to chemicals

Question 2

what organelle has a matrix and what does it contain

Answer 2

mitochondria

contains enzymes used in aerobic respiration

Question 3

give 2 functions of the golgi apparatus

Answer 3

process and package lipids and proteins

makes lysosomes

Question 4

give 2 similarities between the cilia and the flagella

Answer 4

both are structures that stick out of the surface of some cells

both have an outer membrane

Question 5

give 2 differences between the cilia and flagella

Answer 5

flagella is longer than cilia

cilia are used to move substances along the cell surface, flagella are used to propell forward

Question 6

what are the 3 parts to a chloroplast

Answer 6

stroma
granum
lamella

Question 7

what protein makes up the flagella

Answer 7

flagellin

Question 8

which microscope generates a 3D shape

Answer 8

SEM

Question 9

what is a limitation to a 3D shape in a microscope

Answer 9

lower resolution than a TEM

Question 10

give the 3 factors of how to investigate the cell membrane permeability

Answer 10

solvent concentration
temperature
pH

Question 11

what is the process of investigating cell membrane permeability

Answer 11

collect beatroot samples
add ethanol at 5 concentrations
comparison
caliborate the colorimeter at an absorbance of 520nm
measure absorbance

Question 12

what is the normal thickness of phospholipid bilayers

Answer 12

5-10nm

Question 13

where does facilitated diffusion occur

Answer 13

channel proteins

Question 14

what is facilitated diffusion

Answer 14

when molecules diffuse through via a channel or carrier protein

Question 15

what do channel proteins transport

Answer 15

transport polar molecules, charged and water soluble

Question 16

what do carrier proteins transport

Answer 16

anything with the use of ATP

Question 17

what is endocytosis

Answer 17

when a cell engulfs a substance into its surroundings, which is resulted by the cell membrane folding on itself

Question 18

you couldn’t receive a pension if you had been in prison for the last 10 years, claimed poor relief in the last year or not worked regulary

Answer 18

Cut the potato pieces

Place chips in boiling tubes with different sucrose concentrations

Dry the chips and weigh again

Plot a graph and identify the isotonic point

Question 19

what is the isotonic point

Answer 19

when no water is entering or leaving the plant

Question 20

What ion is co-transported into the ileum with glucose/ amino acids?

Answer 20

sodium ions

Question 21

what protein does active transport only require

Answer 21

carrier

Question 22

is facilitated diffusion passive or active

Answer 22

passive

Question 23

is active transport passive or active

Answer 23

active