Multiple Choice Questions

A weak chemical bond used to hold complementary base pairs together
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  • hydrogen bond
  • nucleotide
  • double helix
  • covalent bond
A nitrogen base found in both DNA and RNA; pairs only with cytosine.
  • adenine
  • cytosine
  • thymine
  • guanine
A subunit of nucleic acids formed from a simple sugar, a phosphate group, and a nitrogenous base.
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  • chromosome
  • codon
  • purine
  • nucleotide
Small fragments of DNA produced on the lagging strand during DNA replication, joined later by DNA ligase to form a complete strand.
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  • Dna polymerase
  • Primase
  • Dna ligase
  • Okazaki fragments
Any of the pairs formed between complementary bases in the two nucleotide chains of DNA, such as A-T and C-G (DNA); A-U and C-G (RNA)
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  • adenine
  • base pairs
  • cytosine
  • semiconservative replication
the strand of DNA that is continuously synthesized into the replication fork.
_Z6ve5JJEiICdceuFTIEaQ_m.jpg
  • dna replication
  • dna polymerase
  • leading strand
  • okazaki fragments
A nitrogen base found in DNA and RNA. It pairs with thymine in DNA and with uracil in RNA
  • thymine
  • adenine
  • guanine
  • cytosine
The strand that is synthesized away from the replication fork , in fragments using sections called Okazaki fragments.
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  • dna polymerase
  • lagging strand
  • translation
  • transcription
the process of making identical copies of DNA before cell division
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  • Transcription
  • Mutation
  • Translation
  • DNA Replication
enzyme which connects the individual okazaki fragments on the lagging strand by forming covalent bonds
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  • DNA ligase
  • Dna helicase
  • Primase
  • Dna polymerase
Sequence of RNA nucleotides bound to a region of single-stranded DNA to initiate DNA replication.
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  • Okazaki Fragments
  • Dna Helicase
  • RNA Primer
  • Dna Polymerase
A nitrogenous base found in DNA and RNA; pairs with guanine
  • cytosine
  • adenine
  • guanine
  • thymine
A nucleotide that pairs with adenine. Found only in DNA.
  • adenine
  • guanine
  • cytosine
  • thymine
A Y-shaped region on a replicating DNA molecule where new strands are growing.
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  • dna ligase
  • okazaki fragments
  • replication fork
  • dna polymerase
Enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule
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  • Dna Ligase
  • DNA Polymerase
  • Primase
  • Dna Helicase
A molecule that consists of nucleotide monomers used for transmitting genetic information from one generation to the next
  • adenine
  • nucleotide
  • double helix
  • deoxyribonucleic acid
The form of DNA, referring to its two strands wound into a spiral shape.
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  • nucleotide
  • hydrogen bond
  • double helix
  • chromosome
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Multiple Choice Questions
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