This question pertains to transcription. Match terms with statements. Question 1

Question

This question pertains to transcription. Match terms with statements.

Question 11 options:

Elongation

Promoter

Start site

Helicase

Terminator sequence

RNA polymerase binds to a region of the DNA called the _______.

_______ begins to unwind and separate the 2 strands of the DNA double helix.

Actual synthesis of the RNA transcript begins at the _______.

Successive RNA nucleotides are added to the 3'-end of the growing RNA chain during a process called _______.

When RNA polymerase reaches a _______ the RNA transcript and RNA polymerase separate from the DNA

Question 12 (11 points)

This question pertains to translation. Match terms with statements.

Question 12 options:

Polypeptide chain

Anticodon

2

Translocation

E

tRNA

P

mRNA

Small

A

Release factor

A small ribosomal subunit binds to a molecule of ______ near its 5'-end.

A charged ______ molecule with a UAC codon binds to the first AUG codon in the mRNA strand.

A large ribosomal subunit associates with the ______ ribosomal subunit.

A charged tRNA with the ______ that is complementary to the codon in the A site enters and binds to the A site.

A peptide bond forms between the amino acid attached to the tRNA in the A site and the growing polypeptide chain attached to the tRNA in the ______ site.

The ribosome moves along the mRNA so that the tRNA that was in the ______ site is now in the P site and the tRNA that was in the P site is now in the E site.

The tRNA in the ______ site is ejected.

The movement of the ribosome is called _______.

When the ribosome encounters a stop codon _____ binds to the A site.

The release factor breaks the covalent bond that links the newly synthesized ______ to the tRNA in the P site.

The mRNA, tRNA, and _____ ribosomal units dissociate from each other.

Question 13 (7 points)

Match the terms to the definitions provided.

Question 13 options:

Transcription factors

TATA box

5' cap

mature mRNA

3'poly-A-tail

primary transcript

Methyl G-cap

DNA sequence found upstream of the start site in eukaryotic promoters

Proteins used to recruit RNA polymerase II to eukaryotic promoters to initiate transcription.

An addition of a methyl group that protects the 5' end of the mRNA from degradation and participates in translation initiation.

Added to the 3' end of a transcript by poly-A polymerase to protect the mRNA from degradation.

The final processed form of the mRNA after 5' capping

Modification of the 5' end of a transcript by the addition of methylated GTP to the 5'PO4 group.

The original RNA synthesized by RNA polymerase before it undergoes processing.

Elongation

Promoter

Start site

Helicase

Terminator sequence

1.

RNA polymerase binds to a region of the DNA called the _______.

2.

_______ begins to unwind and separate the 2 strands of the DNA double helix.

3.

Actual synthesis of the RNA transcript begins at the _______.

4.

Successive RNA nucleotides are added to the 3'-end of the growing RNA chain during a process called _______.

5.

When RNA polymerase reaches a _______ the RNA transcript and RNA polymerase separate from the DNA

Explanation / Answer

Q11.)

RNA polymerase binds to a region of the DNA called the PROMOTER.

HELICASE begins to unwind and separate the 2 strands of the DNA double helix.

Actual synthesis of the RNA transcript begins at the START POINT

Successive RNA nucleotides are added to the 3'-end of the growing RNA chain during a process called ELONGATION.

When RNA polymerase reaches a TERMINATOR SEQUENCE the RNA transcript and RNA polymerase sep

1.

RNA polymerase binds to a region of the DNA called the PROMOTER.

2.

HELICASE begins to unwind and separate the 2 strands of the DNA double helix.

3.

Actual synthesis of the RNA transcript begins at the START POINT

4.

Successive RNA nucleotides are added to the 3'-end of the growing RNA chain during a process called ELONGATION.

5.

When RNA polymerase reaches a TERMINATOR SEQUENCE the RNA transcript and RNA polymerase sep

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