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Flashcards in Vitamins and Nucleotides Deck (17)
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1

What are vitamins?

Any of a group of organic compounds which are essential for normal growth and nutrition and are required in small quantities in the diet because they cannot be synthesized by the body.

2

____ manufacture vitamins. _____ take in vitamins.

Plants Mammals

3

Why are vitamins important?

Needed for normal metabolism, growth, and development

4

What does Vitamin A deficiency cause?

Poor vision and night blindness

5

What is Vitamin A needed for? (2)

-Good eyesight -Healthy skin

6

What foods have Vitamin A? (3)

-Liver -Milk -Yellow and Green vegetables (broccoli and carrots)

7

What does Vitamin D defiency cause?

-Rickets -Also get osteomalacia

8

What is Vitamin D needed for?

-promotes absorption of calcium and phosphorus from the intestine -promotes strong bones and teeth

9

What foods contain Vitamin D? (4)

-Milk -Butter -Egg yolk -Fish oil

10

Where is Vitamin D made?

Made by the skin in sunshine.

11

What does Vitamin deficiency cause? (3)

-Scurvy -Weak capillary vessels, poor growth -Healing of wounds slow

12

What is Vitamin C needed for? (3)

-Synthesis of collagen -Maintains healthy blood vessels -Plays a role in the absorption of iron

13

What foods have Vitamin C? (5)

-Orange -Lemons -Grape fruit -Green vegetables -Potatoes

14

What group do DNA and RNA belong to?

Complex group called nucleic acids

15

What are nucleic acids?

A complex organic substance present in living cells, whose molecules consist of many nucleotides linked in a long chain.

16

What are nucleotides?

A nucleotide is an organic molecule that is the building block of DNA and RNA. A nucleotide is made up of three parts: a phosphate group, a 5-carbon sugar, and a nitrogenous base.

17

Draw a nucleotide.