Match the proteins/ enzymes below with their functions (a-e) 1. Single-stranded

ID: 214018 • Letter: M

Question

Match the proteins/ enzymes below with their functions (a-e)

1. Single-stranded binding proteins

2. Ligase

3. Gyrase (Topoisomerase)

4. Helicase

5. Primase

a. Initiates unwinding of double-stranded DNA by separating parental strands (breaks hydrogen bonds)

b. Connects two separate fragments of DNA by creating a phosphodiester bond between them.

c. eliminates the stress caused by unwinding of double-stranded DNA (relieves torsional tension)

d. synthesizes a short RNA primer that is complementary to a region of template strand.

e. bind to single stranded DNA and prevent the duplex (double stranded DNA) from reforming.

1. Single stranded binding protein e. Bind to single stranded dna and prevent the duplex( double stranded dna) from reforming.

2. Ligase b. Connect two separate fragments of dna by creating a phosphodiester bond between them.

3. Gyrase C. eleminate the stress caused by unwinding of double stranded dna ( relieves torsional tension).

4. Helicase a. Initiate unwinding of double stranded dna by separating parental strands( breaking hydrogen bond)

5. Primase synthesizes a short rna primer that is complimentaory to a region of template strand.

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