DNA LS

Which one of these is NOT a part of a nucleotide?

• Phosphate group

• Amino acid

• Deoxyribose

• Nitrogenous base

What is the function of DNA?

• To store energy

• To store genetic information

• Main material in cell membranes

• Main material in cell walls

Tags

NGSS.HS-LS1-1

Which one of these is an image of DNA molecule?

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What is the second strand of DNA, if the first strand is 3'-ATTGCGT-5'?

• 3'-ATTGCGT-5'

• 3'-TAACGCA-5'

• 3'-ACGCAAT-5'

• 3'-TTATTATA-5'

Which enzyme synthesizes short RNA primers on DNA template?

• Primase

• Helicase

• Topoisomerase

• SSB proteins

• Ligase

Which enzyme synthesizes new DNA strand on DNA template?

• Primase

• Helicase

• DNA polymerase

• DNAse

• Ligase

Which protein joins the fragments of new DNA strand (so called Okazaki fragments)?

• Primase

• Helicase

• DNA polymerase

• DNAse

• Ligase

Which protein unwinds DNA double helix at the beginning of Replication Process?

• Primase

• Helicase

• DNA polymerase

• DNAse

• Ligase

What is the aim of DNA Replication?

• to protect the cell

• to produce energy

• to produce proteins

• to make new copy of DNA

• to study different proteins

Which of these holds single strands of DNA until they are used as template during Replication?

• SSB proteins

• Topoisomerase

• DNA polymerase III

• DNA polymerase II

• DNA polymerase I