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Biology > Nucleic Acids > Flashcards

Nucleic Acids Flashcards

0
Q

RNA Function

A
  • Primary job is to make proteins

* transports info by fitting through the nuclear membrane

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1
Q

DNA function

A
  • Contains genetic code, means it controls how you act & look
  • Provides info for the cell
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2
Q

DNA location

A

• only in nucleus

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3
Q

RNA location

A

• found in the nucleus, cytoplasm and ribosomes

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4
Q

DNA Structure

A
  • Double helix

* 2 strands wound together with nitrogenous bases between each strand

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5
Q

DNA monomers

A

• called nucleotides with a deoxyribose sugar, a phosphate group and 1 nitrogenous base

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6
Q

RNA structure

A

• single strand with only half of the nitrogenous bases

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7
Q

RNA monomers

A

• called nucleotides with a ribose sugar, a phosphate group and one nitrogenous base

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8
Q

( DNA ) Nitrogen bases are held together by __________

A

Nitrogen bases are held together by: weak hydrogen bonds

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9
Q

DNA - Strand has _____ covalent bonds

A

strand has - strong - covalent bonds

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10
Q

RNA - Strand held together with _____ covalent t bonds

A

Strand held together with - strong - covalent bonds

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11
Q

DNA - Nitrogen bases consists of the pairs ____

A

Nitrogen bases consists of the pairs
• Adenine and Thymine
• Guanine and Cytosine

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12
Q

RNA - Nitrogenous bases consists of the pairs ____

A

Nitrogenous bases consists of the pairs :
• Adenine and Uracil
• Guanine and Cytosine

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13
Q

DNA Purines

A
  • Adenine and Guanine

* both contain two rings

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14
Q

RNA purines

A
  • Adenine and Guanine

* Both contain 2 rings

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15
Q

DNA pyrimidines

A
  • Cytosine and Thymine

* contain 1 ring each

16
Q

RNA pyrimides

A
  • Cytosine and Uracil

* contain 1 ring each

17
Q

DNA Replication

A
  • The process during which DNA is duplicated

* DNA is half new and half old

18
Q

DNA Replication Steps

A

• Uses enzymes

  1. Helicase unwinds DNA
  2. DNA Polymerase brings matching bases and proofreads the DNA
  3. Ligase finishes strands
19
Q

RNA Protein Synthesis

A

• production is the process during which RNA Is created

20
Q

RNA Protein synthesis - Types of RNA: mRNA

A

• mRNA: messenger RNA; takes genetic code from DNA to the ribosome

21
Q

RNA Protein Synthesis: Types of RNA

- rRNA

A

rRNA: ribosomal RNA; with protein it composes the ribosome

22
Q

RNA Protein Synthesis: Types of RNA

- tRNA

A

tRNA: transfer RNA; carries amino acids to the ribosome

Biology (9 decks)

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