2.1

Question 1

Organic compounds

Answer 1

An organic compound is a compound that contains carbon and is found in living things

Question 2

Organic compound exceptions

Answer 2

carbides (e.g. CaC2), carbonates (CO32–), oxides of carbon (CO, CO2) and cyanides (CN–)

Question 3

Molecular bio includes….

Answer 3

elucidating the structure and function of chemical substances and determining their interactions as parts of living processes

Question 4

Carbon

Answer 4

• Carbon forms the basis of organic life due to its ability to form large and complex molecules via covalent bonding
• Carbon atoms can form four covalent bonds, with bonds between carbon atoms being particularly stable (catenation)

Question 5

Biological processes are regulated by…….

Answer 5

enzymes, whose expression is controlled by gene activation (DNA)

Question 6

Main classes of carbon compounds

Answer 6

• Lipids
• Nucleic acids
• Carbohydrates
• Proteins

Question 7

Changes in activity

Answer 7

Changes in activity are typically determined by signalling molecules (either endogenous or exogenous in origin)

Question 8

What doesn’t contain monomers?

Answer 8

Lipids