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AVS 109 > Nutrition > Flashcards

Flashcards in Nutrition Deck (27):
1

What are some sources of water?

Drink
Food
Metabolism

2

What are some functions of water?

Transporting medium
maintains body temperature
solvent

3

What proportion of an animals body is water?

90% or less

4

What is nutrition?

Science that deals with nutrients in food and feed as they relate to health and life.

5

What are major classes of nutrients?

Water
Carbohydrates
Proteins
Fats
Vitamins
Minerals

6

What are major functions of nutrients?

Body maintenance
growth
production of milk, meat, wool
work
reproduction
regulate body processes

7

Plants vs animals, regarding CHO?

Plants are high, animals are low

8

Plants vs animals, regarding cell walls?

Plants- carbohydrates
Animals- lipid and proteins

9

Plants vs animals, regarding skeletal?

Plants- fiber
Animalas- mineral

10

Plants vs animals, regarding energy stores?

Plants- starch
Animals- fat and glycogen

11

All animals depend upon nutrients derived by what?

Photsynthesis

12

What is photosynthesis?

Where sunlight turns water and carbon dioxide into sugar

13

Carbohydrates contain what?

Carbon, hydrogen, and oxygen

14

Carbohydrates include what?

sugars, starches, and cellulose

15

What are monosaccharides?

Simple sugars

16

What is a polysaccarharides?

A major source of animal carbohydrates

17

What is a disaccarhide?

common form of carbohydrates

18

What is sucrose?

glucose and fructose

19

What is maltose?

glucose and glucose

20

What is lactose?

glucose and galactose

21

What is cellulose?

primary carbohydrate in forages

22

What is hemicellulose?

secondary carbohydrate in fiber.

23

What are functions of carbohydrates?

provide energy for body processes surplus CHO is converted to fat

24

What are some functions of crude fiber?

source of heat and energy
prevents compaction
helps maintain muscular tone in digestive tract
helps prevent bloat

25

Proteins

built from amino using a peptide bond
contain an amino group
contain a carboxyl group

26

There is approximatley how many amino acids in protein?

22

27

Essential AA protein...

Cannot be synthesized at rate sufficient to meet needs
must be supplied in the diet