Where do most of the chemical reactions take place in a human cell?
cell membrane
nucleus
cytoplasm
palisade layer
The digestive system includes: (5 correct answers)
brain
glands
pancreas
stomach
lungs
small intestine
large intestine
kidney
liver
oesophagus
The definition of chlorophyll is:
A green substance which absorbs the light energy needed for photosynthesis to take place
The part of the plant where most of the photosynthesis takes place
The process whereby oxygen and glucose are made out of CO2 and water
The layer at the bottom of the leaf which allows the exchange of gases
Some glucose in plants and algae is used: (3 correct answers)
To produce ribosomes and mitochondria
To produce fat or oil for storage
For growth
For the production of auxin
To produce cellulose to strengthen the cell wall
To produce proteins
____________ act as structural components of tissues such as muscle, hormones, antibodies and catalysts.
Enzymes
Sugars
Proteins
Fats
Acids
Amylase is produced in the: (3 correct answers)
Small Intestine
Pancreas
Salivary Glands
Pituitary gland
Liver
Prostate
_________ produces bile, which is then stored in the ____________
Small intestine
Large intestine
Stomach
Gall bladder
Salivary glands
What are used to convert starch into sugar syrup?
Amylase
Insulin
Glucagon
Protease
Carbohydrases
What are used to convert glucose syrup into fructose syrup?
Platinum catalysts and very high temps
Isomerases
Proteases
Amylases
What product of aerobic respiration is used to build larger molecules and build up nitrates, sugars and nutrients into amino acids, along with other things.
CO2
Oxygen
Energy
Water
Muscles store glucose as _________ which can then be converted back into glycogen for use during exercise
Glycogen
Glucose
Each _______ codes for a particular combination of __________ which makes a specific protein.
Amino Acid(s)
Enzyme(s)
Chromosome(s)
Gene(s)
Allele(s)
zygote(s)
Polydactyl is caused by a dominant allele
Cystic fibrosis is not caused by a dominant allele
What do most soft drinks contain:
Salts
Carbohydrates
Sugar
Ions
As the _______ and the ________ of an organism increases the difficulty of exchanging materials increases.
Weight
Size
Velocity
Complexity
To make air move into the lungs the ribcage moves ______ and _______ and the diaphragm gets ________
Down
Out
Relaxed
Up
Around
Back
Flatter
Forced Upwards
Arteries have thick walls containing:
elastic fibres
Valves
Deoxygenated Blood
Muscles
What transports CO2 from organs to lungs, products of digestion, and urea?
Blood
WBCs
Plasma
RBCs
Platelets
Oxyhaemoglobin
The phloem tissue in plants carries what to the rest of the plant from the leaves?
mineral ions
Dissolved Sugars
Nitrates
water
Magnesium
Rejection of an organ is when the proteins on the surface of the organ being transplanted, known as ________, are attacked by the recipient's ___________.
Antitoxins
DNA
Antigens
Antibodies
The fungus Fusarium is grown in/on ___________
Glucose syrup
Soil
Nutrient enriched water
Agar jelly
Very high temperatures