IB Biology SL B1.1 Carbohydrates and Lipids Topic Practice

a. carbon can form 4 bonds;

b. carbon forms covalent bonds;

c. carbon can form single or double/triple bonds;

d. carbon can form bonds with other carbon atoms / with other (non-metallic) elements;

e. carbon can form branched / unbranched chains;

f. carbon can form single / multiple rings;

4

Marking guidance:

max

condensation / dehydration / synthesis / anabolic / anabolism

many molecules are too large to be absorbed (by the villi) / small molecules are soluble and can be absorbed
large food molecules are broken down so they can be reorganized/rearranged