dna Flashcards

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1
Q

where do you get your DNA from

A

your parents

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2
Q

what does DNA determine

A

eye and hair color, hieight, risks of diseases

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3
Q

a DNA structure is a…

A

double helix

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4
Q

DNA stands for

A

deoxyribonucleic acid

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5
Q

nucleotides=?

A

sugar (deoxyribose), phosphate, and base

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6
Q

nucleosides=?

A

phosphate and deoxyribose

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7
Q

what is most important

A

nitrogen bases

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8
Q

A~

A

Adenine

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9
Q

T~

A

Thymine

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10
Q

C~

A

Cytosine

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11
Q

G~

A

Guanine

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12
Q

DNA has 2 strands of what

A

nucleotides on both sides

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13
Q

what are bases held together with

A

hydrogen bonds

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14
Q

Genes=

A

portions of DNA

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15
Q

chromosomes=

A

portions of genes

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16
Q

genes are code for

A

proteins

17
Q

what is proteins role

A

to transport, structure, protection

18
Q

What is DNA replication

A

DNA makes copies of itself

19
Q

what do enzymes do in DNA replication

A
  1. help split the original molecule

2. attach nitrogen bases to make 2 identical DNA daughter molecules

20
Q

what is DNA replication so important

A

it is essential for growth and repruction

21
Q

mutations in dna replication can be…

A

Harmful Helpful and neutral