Ch.12 Flashcards

1
Q

What thing in the make-up of cells can:
carry large amounts of information
Be accurately copied
be stable under a range of environmental conditions
use the information it carries to code for amino acid sequences

A

DNA

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2
Q

What type of acid is DNA

A

Nucleic acid

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3
Q

What is a nucleic acid?

A

Polymer made from nucleotide

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4
Q

What are the 3 parts of a nucleotide?

A
  1. 5 Carbon sugar
  2. Phosphate group
  3. Nitrogen base
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5
Q

What is the sugar of one nucleotide bonded to on another nucleotide?

A

Phosphate

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6
Q

TorF
The sugar and phosphate have the same chemical structure

A

True

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7
Q

what Links the two DNA strands

A

Hydrogen Bonds

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8
Q

Each strand of DNA is in opposite or same directions

A

opposite

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9
Q

Hydrogen bonds form between what two parts of the strands?
a) phosphate
b) sugar
c) nitrogen bases

A

c

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10
Q

What are the nitrogen base pairings in DNA

A

Adenine - Thymine
Cytosine - Guanine

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11
Q

What are the nitrogen base pairings in RNA

A

Adenine - Uracil
Cytosine - Guanine

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12
Q

Which molecule on the RNA strand is different than DNA

A

5 carbon sugar

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13
Q

Can RNA act as an enzyme?

A

Yes

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14
Q

Is RNA less stable than DNA

A

Yes

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15
Q

What type of replication contains an old strand of DNA

A

Semi conservative

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16
Q

What are the 3 stages of protein synthesis?

A
  1. Transcription
  2. RNA processing
  3. Translation
17
Q

TorF:
Does RNA processing happen in Prokaryotes and Eukaryotes?

A

No, it only happens in Eukaryotes

18
Q

Which protein synthesis process occurs in the Nucleus

A

Transcription

19
Q

Which protein synthesis stage happens outside of the nucleus

A

Translation

20
Q

What two molecules disrupt translation?

A

Common antibiotics
a molecules produced by some plants (ricin)