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Honors Biology > Test 4 Review > Flashcards

Test 4 Review Flashcards

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1
Q

1902

A

Genes are gaining acceptance as a concept

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2
Q

1930’s

A

Boveri and Sutton- established the Chromosome theory (Drosophila)

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3
Q

1952

A

Hershey and Chase prove that DNA not protein is the information carrier

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4
Q

1953

A

Watson and Crick propose the double helix

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5
Q

Nucleotide

A

a unit of DNA consisting of: A nitrogen base, A sugar, A phosphate

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6
Q

Purine

A

A nitrogen base consisting of 2 rings

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7
Q

Adenine

A

DNA, RNA

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8
Q

Guanine

A

DNA, RNA

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9
Q

Pyrimidine

A

A nitrogen base consisting of 1 ring

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10
Q

Cytosine

A

DNA, RNA

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11
Q

Thymine

A

DNA

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12
Q

Uracil

A

RNA

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13
Q

DNA Polymerase

A

The enzyme that copies DNA to DNA

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14
Q

Template

A

“original” from which a copy is made

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15
Q

Transcription

A

DNA to RNA

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16
Q

RNA Polymerase

A

The enzyme that copies DNA to RNA

17
Q

mRNA

A

messenger RNA (the copy of DNA that goes hot if the nucleus

18
Q

Translation

A

RNA to Amino Acid sequence

19
Q

Ribosome

A

The thing that translates RNA into Amino Acids

20
Q

Codon

A

a section of DNA that codes for a particular amino

21
Q

Anticodon

A

The complementary part or tRNA which binds to the mRNA

22
Q

tRNA

A

Transfer RNA brings a an amino acid to the mRNA/Ribosome complex

23
Q

rRNA

A

Ribosomal RNA - RNA is part of the ribosome

24
Q

Exon and Intron

A

Rna editing (Keep exons toss introns)

25
Q

Mutation

A

an uncorrected change in the DNA which remains

26
Q

Insertion

A

mutations where a nucleotide is added

27
Q

Deletion

A

mutation where a nucleotide is removed

28
Q

Substitution

A

mutation where nucleotide is replaced

29
Q

Mitosis

A

division of the DNA

30
Q

Meiosis 1

A

separate the homologous chromosomes

31
Q

Meiosis 2

A

separate the chromatids

32
Q

Down’s syndrome

A

three 21 chromosomes

33
Q

Turner’s syndrome

A

X only

34
Q

Klinefelters

A

(XXy), and Poly y

Honors Biology (3 decks)

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