bio paper 1

Question 1

what is the difference between eukaryotic and prokaryotic

Question 2

use the terms ‘eukaryotic’ and prokaryptic’ to describe types of cells

Question 3

tell me everything included in an animal cell

+ functions

Question 4

tell me everything included in an plant cell

+ functions

Question 5

tell me everything included in an bacteria cell

+ functions

Question 6

whats the difference between a electron and light microscope

Question 7

define magnification

Question 8

define resolution

Question 9

magnification formula

Question 10

required practicle

investigate the effect of antiseptic or antibiotics on beacterial growth using agar plates and measuring zones of inhibition

Question 11

describe how genetic information is stored in the nucleus of a cell

(inc gene and chromosomes)

Question 12

describe the process that happens during the cell cycle, including mitosis

(inc recognise and describe where mitosis occurs)

Question 13

describe stem cells, including sources of stem cells in plants and animals and their roles

Question 14

describe the use of stem cells in the production of plant clones and therapeutic cloning

Question 15

Discuss the potential risks, benefits and issues with using stem cells in medical research/treatments

(inc diabetes and paralysis)

Question 16

Describe the process of diffusion

including examples

Question 17

Explain how diffusion is affected by different factors

Question 18

Define and explain “surface area to volume ratio”, and how this relates to single-celled and multicellular
organisms

(inc calculations)

Question 19

Explain how the effectiveness of an exchange surface can be increased,

examples of adaptations for small intestines, lungs, gills roots +leaves

Question 20

Describe the process of active transport, including examples

gut and roots

Question 21

Describe the process of osmosis

(inc calculation of water uptake & percentage gain and loss of mass of
plant tissue)

Question 22

Required practical

investigate the effect of a range of concentrations of salt or sugar solutions on the mass of plant tissue

Question 23

Describe the levels of organisation within living organisms

Question 24

Describe the digestive system and how it works as an organ system

Question 25

Describe features of enzymes

Question 26

Describe the lock and key theory as a model of enzyme action and explain how the shape a of the active sites makes the enzyme specific

Question 27

Explain the effect of temperature and pH on enzymes | +why

Question 28

Describe the features and functions of bile and state where it is produced and released from

Question 29

# Required practical use qualitative reagents to test for a range of carbohydrates, lipids and proteins

Question 30

# Required practical investigate the effect of pH on the rate of reaction of amylase enzyme

Question 31

how are lungs adapted for gaseous exchange

Question 32

tell me the pathway blood moves throught the heart | +if its oxygenated or deoxygenated blood

Question 33

Explain how the natural resting heart rate is controlled and how irregularities can be corrected

Question 34

Describe blood and identify its different components

Question 35

Describe what happens in coronary heart disease

Question 36

what are statins are used for | +how

Question 37

what are stents are used for | +how

Question 38

Describe the functions of blood components, including adaptations to function