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Modern genetics Flashcards

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Biology 101 flashcards
1
Q

How many types of RNA is there

A

3

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2
Q

mRNA

A

Carries genetic information from DNA in the nucleus to direct the process of protein synthesis in the cytoplasm

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3
Q

mRNA is the starting point to

A

mRNA is the starting point to make proteins

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4
Q

What are the 3 types of RNA

A

rRNA mRNA and tRNA

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5
Q

rRNA is the

A

ribosomal

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6
Q

rRNA

A

is just a structure of the ribosomes

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7
Q

tRNA

A

Transports amino acids to the ribosomes

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8
Q

where does tTRNA hand around

A

the tRNA just hangs around the ribosomes

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9
Q

How do you use a DNA molecule to make a protein?

A

Transcription🡪Translation🡪Protein Synthesis

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10
Q

All mRNA strands are made up of

A

codons

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11
Q

combination of 3 nucleotides

A

codons

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12
Q

mRNA Transcription occurs in the

A

nucleus

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13
Q

Translation is also called

A

protein synthesis

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14
Q

protein synthesis involves

A

the mRNA and the tRNA

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15
Q

The ribosome has

A

2 parts

The bottom half is the small subunit, top half is the large subunit

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16
Q

In the large subunit of the ribosome there are 3 sites:

A

A site, P site and the E site

17
Q

what is on the bottom end of the ribosome Trna molecule

A

anticodon (the triplet codon)

18
Q

what is on the top of the ribosome trna molecule

A

an amino acid

19
Q

AUG is the

A

start codon

20
Q

.The amino acids are attached by a strong bond known as a

A

peptide bond

21
Q

polypeptide just means

A

a whole bunch of amino acids together

22
Q

how is an mRNA strand made?

A

the RNA polymerase attaches to the end of the DNA template strand and base pairs with the DNA to make an mRNA strand

23
Q

In the RNA base pairing rule under Trna T goes to A and A goes to

A

T

24
Q

In the RNA base pairing rule under Mrna T goes to A and A goes to

A

U

25
Q

After the mRNA Transcription occurs in the nucleus the mRNA will

A

this mRNA will leave the nucleus and go out to the ribosomes

26
Q

Uracil is used in synthesis of

A

RNA NOT DNA

Bio (10 decks)

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