1) Which of these is NOT part of metabolism? a) Oxidising glucose in respiration b) Making amylose molecules from glucose monomers c) Releasing antibodies to fight disease d) Digesting proteins 2) What type of molecule is this? a) A hydrocarbon b) A carbohydrate c) Water d) A lipid 3) What is this molecule? a) Chain form flucose b) Alpha-glucose c) Beta-glucose d) Fructose 4) What kind of bond is highlighted? a) 1,4-glycosidic link b) peptide bond c) ester bond d) 1,6-glycosidic link 5) Where would you expect to find the polysaccharide peptidoglycan? a) Plant cell walls b) Human muscle c) Fatty tissues d) Bacterial cell walls 6) What kind of reaction joins two amino acids into a dipeptide? a) Neutralisation b) Condensation c) Hydrolysis d) Catabolic 7) Which level of protein structure is represented here? a) Primary b) Secondary c) Tertiary d) Quaternary 8) How many amino acids are there in 10 turns of an alpha helix? a) 3 b) 8 c) 12 d) 36 9) Which of these is a feature of collagen? a) Globular protein b) Contains a haem prosthetic group c) Made of a wide range of amino acids d) Contains many left-handed helices 10) What kind of molecule is this? a) Phospholipid b) Cholesterol c) Fatty acid d) Triglyceride 11) Which of these is NOT a feature of lipid respiration? a) Useful in dry conditions b) Ester bonds are broken first c) Releases half as much energy as carbohydrate respiration d) Used to generate ATP molecules 12) Which of these properties of water explains why sweating helps cool us down? a) Good solvent b) High thermal stability c) Liquid at room temperature d) Less dense as a solid 13) Which of these reagents is used to test for reducing sugars? a) Benedicts b) Biuret c) Iodine d) Ethanol 14) Which of these tests tells you how much of a substance is present? a) Qualitative b) Evaluative c) Quantitative d) Indicative 15) Which of these is NOT a component of DNA? a) Phosphate groups b) Nitrogenous bases c) Deoxyribose sugars d) Ribose sugars 16) Which of these statements about DNA replication is true? a) It is a semi-conservative process b) G always pairs with A c) Hydrogen bonds join free nucleotides along the sugar-phosphate backbone d) It happens during mitosis 17) Which of these has a complementary code to the coding strand of DNA? a) Ribosome b) tRNA c) Polypeptide d) mRNA 18) What does the enzyme Rubisco do? a) Catalyse carboxylation in photosynthesis b) Break down lactose into glucose and galactose c) Help to release energy from ATP d) Convert free glucose molecules into glycogen 19) What does this picture show? a) Pancreatic cells producing digestive enzymes b) Aerial hyphae c) Heterotrophic nutrition d) Lysosomes and phagocytosis 20) Which of these statements is true? a) Substrates are complementary to enzymes b) Activation energy is lower with an enzyme c) Enzymes seek out substrate molecules d) Enzymes catalyse the conversion of products into reactants

Biological Molecules Quiz

by Anonymous
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?