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BIO 141 > BIO jeopardy review > Flashcards

BIO jeopardy review Flashcards

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Biology 101 flashcards
1
Q

Site in ribosome where codon in mRNA is read

A

A site

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2
Q

Abnormal human chromosome #22 results in uncontrolled cell cycle progression

A

philadelphia chromosome

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3
Q

Expression of a gene at one locus altering phenotypic expression of a gene at a 2nd locus

A

epastasis

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4
Q

Reasons for gene variation

A

Independent assortment of chromosomes, crossing over, random fertilization

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5
Q

Stages of mitosis

A

Prophase, prometaphase, metaphase, anaphase, telophase

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6
Q

Lagging strand in DNA replication can stay in step with leading strand by synthesizing complement segments

A

Okazaki fragments

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7
Q

When non-linked alleles segregate during gamete formation

A

Independent assortment

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8
Q

Macromolecules that catalyzes intron splicing reaction

A

RNA

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9
Q

Process where ATP is formed as a result of transfer of electrons from NADH to O2

A

Oxidative phosphorylation

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10
Q

Enzyme in DNA replication that synthesizes DNA polymerase

A

Primase

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11
Q

Homologous chromosomes don’t separate properly

A

Nondisjunction

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12
Q

Genetic cross is used to determine genotype with dominant phenotype

A

Test cross

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13
Q

Site of protein synthesis in pro and eukaryotic cells

A

Ribosomes

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14
Q

Number of mRNA codons that code for amino acids

A

61

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15
Q

1% recombination frequency

A

one map unit

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16
Q

Fertilized egg

A

Zygote

17
Q

Alternative versions of gene

A

Allele

18
Q

Template strand

A

Top strand; attaches to leading strand

19
Q

change in genotype and phenotype due to assimilation of foreign DNA

A

Transformation

20
Q

Wattson and crick

A

discovered structure of dna strands

21
Q

Evidence of specific gene with specific chromosome

A

thomas hunt morgan

22
Q

life started on earth

A

3.5 billion

BIO 141 (11 decks)

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