U2 bio quiz 1 Flashcards by Simi Modey

Q

how many nucleiotides are DNA made up of

A

4

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Q

true or false - A matches with T, and C matches with G

A

true

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Q

what does the A base stand for?

A

adenine

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Q

what does the T base stand for

A

thiamine

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Q

what does the C base stand for

A

cytosine

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Q

what does the G base stand for

A

guanine

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Q

what are chromosomes

A

extremely long DNA molecules

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Q

cell

A

has a nucleus that stores genetic info

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Q

nucleus

A

stores genetic info

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Q

genes

A

long stretches of DNA molecules

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Q

gene regions

A

sections of a gene that have different functions

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Q

why do DNA have weak hydrogen bonds

A

strands break off during replication

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Q

what 2 things are on the outside of a drawing of dna

A

phosphate and deoxyribose sugar

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Q

what letters are in protein?

A

CHNO

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Q

what letters are in nucleic acid?

A

CHNOP

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Q

what letters are in lipids?

A

CHO

Q

what is the monomer for lipids

A

fatty acids

Q

what is a monomer

A

building block of protein

Q

what does CHNOP stand for

A

carbon hydrogen oxygen nitrogen phosphorus