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Science :) > S, R, M, and D flashcards for sci quiz > Flashcards

S, R, M, and D flashcards for sci quiz

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Biology 101 flashcards
1
Q

The process in which the number of the chromosomes is halved in order to produce gametes

A

Meioses

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2
Q

chromosomes duplicate to produce body cells

A

Mitosis

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3
Q

The shape of DNA

A

Spiral or double helix

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4
Q

one set of chromosomes

A

haploid

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5
Q

two sets of chromosomes

A

diploid

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6
Q

the first cell of a new orgenizem

A

Zygote

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7
Q

reproductive cell

A

Gamate

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8
Q

same everything except forms of genes, half mom, half dad

A

homologous chromosome

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9
Q

4 molecules that complement each other

A

nitrogen bases

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10
Q

a new individual with 1 parent

A

asexual

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11
Q

a new individual with 2 parents

A

sexual

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12
Q

DNA that wraps around protein; carries genetic info

A

chromosomes

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13
Q

1 parent

A

a

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14
Q

resultes in a zyygote

A

s

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15
Q

regeneration

A

a

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16
Q

identical offspring

A

a

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17
Q

new characteristics for offspring

A

s

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18
Q

reproduction for bacteria

A

a

19
Q

self-pollination

A

s

20
Q

cross-pollination

A

s

21
Q

binary fission

A

a

22
Q

parthenogenogennsis

A

a

23
Q

fragmentation

A

a

24
Q

Mit, number of cell division

A

1

25
Q

Mei, number of cell division

A

2

26
Q

Mit, number of daughter cells

A

2

27
Q

Mei, number of daughter cells

A

4

28
Q

Mit, DNA of the daughter cell compared to the parent cell

A

Exact or the same

29
Q

Mei, DNA of the daughter cell compared to the parent cell

A

Half

30
Q

Mit, purpose-what kind of cell results

A

Boddy cells

31
Q

Mei, purpose-what kind of cell results

A

Gametes

32
Q

How many chromosomes do humans have

A

46

33
Q

What does DNA stand for

A

Deoxyribonucleic acid

34
Q

Who won the Nobel prize for determining the structure of the DNA molecule

A

James Watson, Francis Crick, and Maurice Williams

35
Q

What are the three components of nucleotides

A

Deoxy ribose or sugar, phosphate group, and nitrogen base

36
Q

What are the “sides” of a DNA molecule made of

A

Deoxy ribose and phosphate

37
Q

What are the “rungs” of a DNA molecule made of

A

nitrogen base and hydrogen bond

38
Q

who’s rules enforce nitrogen bases to form particular pairs

A

Chargaff’s rule

39
Q

What letters pair to what

A

A to T and C to G and vice versa

40
Q

what are the steps of DNA replication 1

A

“un-zips”

41
Q

what are the steps of DNA replication 2

A

pair using base-pairing rules

42
Q

what are the steps of DNA replication 3

A

Attach

43
Q

what are the steps of DNA replication 4

A

each has half old and half new

Science :) (3 decks)

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