Nutrition and Feeding

Question 1

What are the three main types of feeding?

Answer 1

Predation or capture feeding

Suspension feeding

Microbial symbiosis

Question 2

What is the other name for suspension feeding?

Answer 2

Filter feeding

Question 3

What is the biggest benefit of suspension feeding?

Answer 3

A shorter food chain means maximal energy uptake and assimilation

Question 4

What type of hormone is foraging behaviour linked to?

Answer 4

Glucocorticoid hormones

Question 5

What are the two processes of feeding in autotrophs and where do they derive their energy from?

Answer 5

Photosynthesis - energy from photons

Chemosynthesis - energy from oxidative reactions

Question 6

What compound drives the Calvin Cycle in microbes in absence of sunlight?

Answer 6

H2S

Question 7

Name three vital functions of proteins

Answer 7

Enzymatic reactions
Cell architecture
transporters
receptors
channel proteins

Question 8

How many protein-linked amino acids are there? How many do humans need?

Answer 8

22

Humans need 21 of them

Question 9

What is the precursor to all steroid hormones?

Answer 9

Cholesterol

Question 10

What are triglycerides made up of?

Answer 10

Fatty acids and glycerol

Question 11

Are vitamins and minerals organic or inorganic?

Answer 11

Vitamins are organic, minerals are inorganic

Question 12

What is one pathological example of mineral deficiency?

Answer 12

Goiters from iodine deficiency