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Bio 111 > Chapter 12 Part One > Flashcards

Chapter 12 Part One Flashcards

1
Q

Parental strands are

A

Antiparallel

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2
Q

The parent strand is running in the opposite direction

A

Lagging strand

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3
Q

The enzyme that joins the Okazaki fragments on the lagging strand together is

A

DNA ligase

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4
Q

DNA _______ must remove the short strands of RNA and replace it with DNA

A

Polymerase

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5
Q

This enzyme creates a short strand of RNA bases for DNA polymerase

A

DNA primase

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6
Q

Segments of DNA made on the lagging strand are called

A

Okazaki fragments

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7
Q

Enzyme unwinds the DNA helix and separates the hydrogen bonds between the nitrogen containing bases

A

DNA helicase

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8
Q

Making an exact copy of parent cell DNA

A

Replication

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9
Q

DNA polymerase pairs

A

Adenine to thiamine and cytosine to guanine

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10
Q

This enzyme brings the new nucleotides close to there complimentary nucleotide to form new hydrogen bonds and can proofread the newly forming strands and correct mistakes

A

DNA polymerase

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11
Q

Since DNA has two strands, each strand from the parent can act as a _________ for a new strand of DNA

A

Template

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12
Q

Replication and the template give us

A

Semiconservative replication meaning each daughter cell receives DNA that has one parent strand and one new strand

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13
Q

Used to describe the nucleotides that contain the nitrogen containing bases formed into 2⃣ rings are? Name them as well

A

Purines-adenine, and guanine

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14
Q

A(two rings) always bond to __ (one ring) with __ hydrogen bonds

A

T, 2

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15
Q

__ ( two rings) always bonds to C(one ring) with __ hydrogen bonds

A

G, 3

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16
Q

Used to describe the nucleotides that contain the nitrogen containing bases formed into 1 ring are? Name them

A

Pyrimidines-thymine and cytosine

17
Q

DNA gene used as a template to complimentary pair the DNA bases to RNA bases, this RNA message is moved from the nucleus in the cytoplasm is a description of

A

mRNA

18
Q

Small t shaped piece of RNA-hydrogen bonds nitrogen containing bases creates structure, attached to a specific amino acid, and transfers the amino acid to a growing protein at the ribosome describes

A

tRNA

Bio 111 (8 decks)

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