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Midterm Vocab For Bio > Chapter 10 > Flashcards

Chapter 10 Flashcards

0
Q

3 parts of a nucleotide

A

5 carbon sugar-deoxyribose
Phosphate group
Nitrogen base-one of four

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1
Q

Function of DNA

A

Carry genetic information

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2
Q

Four nitrogen bases

A

Adenine
Thymine
Guanine
Cytosine

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3
Q

Base pairing rules

A

A-T

C-G

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4
Q

DNA replication

A

Process of making new copies of DNA

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5
Q

Steps of DNA replication

A
  • DNA untwists
  • DNA helicase unzips the DNA
  • new nitrogen bases attach to the unzipped DNA
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6
Q

DNA template

A

Strand of DNA which will be used to transcribe the mRNA for protein synthesis

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7
Q

Helicase

A

An enzyme that unzips DNA or RNA

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8
Q

DNA polymerase

A

Those of enzyme that is responsible for forming new copies of DNA in the form of nucleic acid molecules

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9
Q

Function of RNA

A

Help carry out DNA’s blueprint guidelines. Transfers genetic code needed for the creation of proteins from the nucleus to the ribosome

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10
Q

Compare DNA and RNA

A

DNA is double stranded

RNA is single stranded

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11
Q

Where does transcription occur

A

The nucleus

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12
Q

What is transcription

A

When a segment of DNA is copied on to mRNA so it can leave to nucleus

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13
Q

Parts of RNA nucleotide

A

5 carbon ribose sugar
Phosphate group
One of four nitrogen bases

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14
Q

RNA’s nitrogen bases

A

Adenine-uracil

Cytosine-guanine

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15
Q

3 types of RNA

A

Messenger
Transfer
Ribosomal

16
Q

mRNA function

A

Carries code from DNA to the ribosome

17
Q

tRNA function

A

Used for picking up amino acids

18
Q

rRNA function

A

Major component of ribosomes

19
Q

The nucleotide triplets of DNA and RNA molecules that carry genetic information in living cells

A

Genetic code

20
Q

Sequence of 3 nucleotides that together form a unit of genetic code in DNA or RNA molecule

A

Codon

Midterm Vocab For Bio (7 decks)

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