KEY WORDS

Question 1

Abiotic

Answer 1

non living factors that affect organsims

Question 2

active transport

Answer 2

movement of ions and gases against the concentration gradient

Question 3

aerobic

Answer 3

respiration with oxygen

Question 4

allele

Answer 4

different version of gene

Question 5

amino acids

Answer 5

building blocks of proteins

Question 6

amylase

Answer 6

enzyme that breaks carbohydrates into sugars

Question 7

anaerobic

Answer 7

respiration without oxygen

Question 8

aorta

Answer 8

carries oxygenated blood away from the heart

Question 9

asexual reproduction

Answer 9

reproduction with only one parent resulting in identical offspring

Question 10

benign tumour

Answer 10

lump of cells that are not invading the body

Question 11

bile

Answer 11

produced by the liver neutralises stomach acid and emulsifies fats

Question 12

biodiversity

Answer 12

the range of different organisms that live in an environment

Question 13

cell membrane

Answer 13

controls what enters and leaves a cell

Question 14

cell wall

Answer 14

maintains cells shape

Question 15

chlrorplast

Answer 15

where photosynthesis takes place

Question 16

chromosome

Answer 16

long stretch of DNA

Question 17

diffusion

Answer 17

movement of ions or gases from an area of high concentration to low concentration

Question 18

diploid

Answer 18

two copies of each chromosome

Question 19

dominant

Answer 19

only one copy of the gene needs to be expressed

Question 20

ECosystem

Answer 20

the organism and the habitat they live in

Question 21

endocrine system

Answer 21

system that controls hormones and responses

Question 22

enzyme

Answer 22

biological catalyst

Question 23

extremophile

Answer 23

organism that has adapted to live in extreme conditions

Question 24

FSH

Answer 24

hormone that causes an egg to develop

Question 25

gamete

Answer 25

sex cell

Question 26

gene

Answer 26

section of DNA

Question 27

genotype

Answer 27

what genes are present

Question 28

genome

Answer 28

all the genes in an organism

Question 29

haploid

Answer 29

one copy of each chromosome

Question 30

health

Answer 30

state of physical and mental well being

Question 31

heterozygous

Answer 31

different copies of gene

Question 32

homozygous

Answer 32

identical copies of gene

Question 33

lipase

Answer 33

enzyme that breaks fats into fatty acids and glycerol

Question 34

lipid

Answer 34

stores of energy that can be broken down to form fatty acids and glycerol

Question 35

LH

Answer 35

hormone that causes egg to be released

Question 36

malignant tumour

Answer 36

lump of cells that have the ability to travel to other parts of the body

Question 37

malaria

Answer 37

parasite transmitted by mosquitoes

Question 38

measles

Answer 38

viral infection causing fever and rash

Question 39

meiosis

Answer 39

type of cell division that ends in four haploid daughter cells

Question 40

meristem

Answer 40

plant tissue found at growing tips

Question 41

metabolism

Answer 41

chemical process that occurs to maintain life

Question 42

mitochondria

Answer 42

where respiration takes place

Question 43

mitosis

Answer 43

type of cell division that ends in two identical daughter cells

Question 44

nucleus

Answer 44

controls the cell | is where the genetic information is held

Question 45

omnivore

Answer 45

eats plants and animals

Question 46

organ system

Answer 46

a number of different organs working together towards one function

Question 47

osmsosis

Answer 47

transport of water across a partially permeable membrane

Question 48

ovulation

Answer 48

release of an egg from its ovaries

Question 49

oxygen debt

Answer 49

happens after aerobic respiration needs oxygen to repay

Question 50

palisade mesophyll

Answer 50

upper layer cell in a leaf

Question 51

pancreas

Answer 51

large gland behind the stomach which produces digestive enzymes

Question 52

phenotype

Answer 52

what characteristics are present

Question 53

phloem

Answer 53

carries ions around the plant

Question 54

platelets

Answer 54

small fragment of blood cells that helps clotting

Question 55

protease

Answer 55

enzyme that breaks proteins into amino acids

Question 56

proteins

Answer 56

long chains of amino acids that carry out the functions n the body

Question 57

protist

Answer 57

single celled organism that can cause illness

Question 58

recessive q

Answer 58

two identical copies of the gene is needed for it to be expressed

Question 59

RBC

Answer 59

carries oxygen around the blood

Question 60

ribosomes

Answer 60

where protein synthesis takes place