DNA REVIEW 2

What does DNA stand for?

• Deoxynucleic acid

• Dioxyribonucleic acid

• Dinucleotide acid

• Deoxyribonucleic acid

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Where is DNA found?

• Only in the nucleus

• Inside almost every cell

• Exclusively in humans

• Only in mitochondria

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What are the building blocks of DNA?

• Nucleotides

• Proteins

• Carbohydrates

• Amino acids

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Which of the following is not a base in DNA?

• Adenine

• Cytosine

• Guanine

• Uracil

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What shape does the DNA molecule form?

• Triple helix

• Double helix

• Single strand

• Circular loop

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During DNA replication, what happens to the strands?

• They remain intact and duplicate

• They split into four strands

• They separate and form new strands

• They dissolve and reform

How many nucleotides code for an amino acid?

• Three

• Two

• Four

• One

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Which of the following is a function of DNA?

• Acting as a catalyst in reactions

• Determining inherited characteristics

• Producing energy for the cell

• Forming the cell membrane

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What is the role of messenger RNA (mRNA)?

• Carries DNA code for protein synthesis

• Replicates DNA molecules

• Provides energy for the cell

• Transports amino acids

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NGSS.HS-LS1-1

What discovery did James Watson and Francis Crick make?

• The structure of the atom

• The theory of relativity

• The process of photosynthesis

• The double-helix structure of DNA

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