What does mitochondria do?
make proteins
make the nucleus
release energy from the food
Where do reactions happen in an animal cell?
Nucleus
Cytoplasm
Cell membrane
Cellulose cell wall
What does DNA stand for?
Deoxyribonucleic acid
Digital nucelds acid
doesn't stand for anything just known as DNA
Denucleus animal
What structure does DNA have?
curly
Double strands
Bases
Double helix
What 4 bases are the codes made up of?
A-G and S-F
A-T and G-C
C-G and P-Q
T-S and F-C
How many letters are in one code?
4
2
3
it doesn'tmatter
What does collagen do?
carry oxygen in red blood cells
be a biological catalyst
help straighten out wrinkles
controls sugar levels in your blood
What does haemoglobin do?
Carry oxygen in red blood cells
help to straighten out wrinkles
control sugar levels in your blood
What does insulin do?
What do enzymes do?
What two factors affect the rate of enzyme reactions?
Temperature and light
Light and pH
Temperature and pH
What is lactic acid produced from?
Aerobic respiration
Anaerobic respiration
Aerobic exercise is for slower activities
Where doesn't mitosis take place?
egg and sperm cells
daughter cells
plant cells
How many chromosomes do human body cells have?
23
48
46
50
How are sex cells produced?
mitosis
zygotes
meiosis
