DNA Flashcards

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1
Q

How does DNA decide what amino acids will make up a protein?

A

DNA sequence decided order of mRNA bases, mRNA bases decide what amino acids bond

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2
Q

Compare Transcription and Translation

A
  • C and G bond together
  • DNA must be unzipped first
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3
Q

Why does mRNA go to ribosomes?

A

That is where the proteins are assembled

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4
Q

U replaces what base?

A

Thymine (t)

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5
Q

What does m in mRNA stand for?

A

Messenger

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6
Q

Single strand that delivers messages:

A

mRNA

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7
Q

(Nucleus) -> uuu acg cca -> Ribosomes

Is this transcription or translation?

A

Translation

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8
Q

What does t in tRNA stand for?

A

Transfer, because it transfers amino acids to the ribosome

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9
Q

What is a codon?

A

Set of 3 nucleotides

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10
Q

Summarize DNA replication:

A

Step 1, DNA Unzips
Step 2, Freed nucleotides bond to exposed bases

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11
Q

Why is DNA called Semiconservative?

A

1/2 is old strand
1/2 is new strand

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12
Q

What needs to separate for DNA replication?

A

Hydrogen Bonds

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13
Q

Why do we need DNA replication?

A

Every cell needs a complete copy of DNA, so it needs to be copied for cells to divide

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14
Q

When does DNA replication take place?

A

Interphase

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15
Q

Where is DNA replication in a Eukaryotic cell?

A

Nucleus

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16
Q

What is DNA replication?

A

Creating an identical strand of DNA

17
Q

Contains Nucleotides

A

Both

18
Q

Has Dioxyribose sugar

A

DNA

19
Q

Has ribose sugar

A

RNA

20
Q

Is a nucleic acid

A

Both

21
Q

T or F: DNA can leave the nucleus

A

False, RNA can leave the nucleus

22
Q

Has Thymine

A

DNA

23
Q

Has Uracil

A

RNA

24
Q

Involved in Transcription

A

DNA

25
Q

Involved in Translation

A

RNA

26
Q

Double Stranded

A

DNA

27
Q

Single Stranded

A

RNA

28
Q

Contains Phosphate

A

Both

29
Q

What does D in DNA stand for?

A

Deoxyribose

30
Q

What does R in RNA stand for?

A

Ribose

31
Q

DNA complementary strand for GGCAGTTCAT

A

CCGTCAACTA

32
Q

How does DNA hold information?

A

The order of bases

33
Q

How do DNA nucleotides bond together?

A

Within a strand: Phosphate bonds to sugar
Across a strand: Hydrogen bonds between complementary bases