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6. The skin contains a fibrous protein called...
- keratin
- lysozyme
- cytokine
- interferon
7. Enzymes are
- globular proteins that decrease activation energy
- fibrous proteins that decrease activation energy
- fibrous proteins that increase activation energy
- globular proteins that increase activation energy
8. The region of the chloroplast that would be involved in the fixation of carbon dioxide is...
- stroma
- crista
- granum
- matrix
9. What is the most likely product of the digestion of cellulose by bacteria.
- glycerol
- glucose
- fatty acids
- amino acids
10. What is the name of the organism that causes TB?
- Microbacterium tuberculosis
- Mycobacterium tuberculosis
- Macrobacterium tuberculosis
- Monobacterium tuberculosis
11. Enzymes digest proteins into fragments using
- hydrolysis reactions
- polymerisation reactions
- condensation reactions
- esterification reactions
12. The nucleic acid found in viruses is
- DNA or RNA
- DNA
- RNA
- DNA and RNA
13. The enzyme involved in the reaction RuBP + CO2 -> 2 x GALP is...
- RUBISCO
- transcriptase
- endonuclease
- phosphorylase
14. Which factor might influence the rate of progress of rigor mortis in a muscle immediately after death?
- Presence of drugs in the body
- Presence of egg laying insects
- Degree of decomposition of the muscle
- Oxygen concentration of the atmosphere
15. What is the name of the chemical that T helper cells produce to activate the T killer cells?
- cytosine
- cytokine
- cysteine
- chromatin
16. The units for net primary productivity are...
- kJ m-2 year-1
- kg
- kJ m-1
- kg m-1 year-1
17. Which part of the skin that forms a physical barrier against infection by pathogenic bacteria?
- Epidermis
- Erector pili
- Malpighian layer
- Sebaceous gland
18. What is the term used to describe the type of chemical reaction involved in the digestion of cellulose by enzymes?
- photolysis
- autolysis
- hydrolysis
- haemolysis
19. The products of the light-dependent reactions that are used in the light-independent reactions are reduced NADP and...
20. Genetic material in bacteria is
- double stranded RNA
- single stranded RNA
- double stranded DNA
- single stranded DNA