Bioenergetics

Question 1

Amino acid

Answer 1

small ‘building block’ molecule of proteins

Question 2

Balanced diet

Answer 2

food with healthy proportions of protein, fat, carbohydrate, nutrients and minerals

Question 3

Endothermic reaction

Answer 3

reaction where energy transferred to the environment

Question 4

Fermentation

Answer 4

process using yeast to convert sugars into ethanol

Question 5

Lactic acid

Answer 5

waste product from anaerobic respiration in muscle cells

Question 6

Malnourishment

Answer 6

condition due to incorrect balance of foods to stay healthy

Question 7

Metabolic rate

Answer 7

speed at which chemical reactions in the body occur

Question 8

Metabolism

Answer 8

chemical reactions that keep the body alive

Question 9

Oxygen debt

Answer 9

oxygen needed to react with and remove lactic acid after anaerobic respiration

Question 10

Oxyhaemoglobin

Answer 10

molecule of haemoglobin and oxygen in the blood

Question 11

Photosynthesis

Answer 11

process plants use to capture light energy from Sun, water and carbon dioxide goes to oxygen and glucose

Question 12

Protein

Answer 12

large biomolecule made of chains of amino acids, many types and uses in the body

Question 13

Starch

Answer 13

insoluble carbohydrate stored in plants