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Transcription/Translation Bellringer

Total questions: 17

Worksheet time: 12mins

Name
Class
Date
1.

Both DNA and RNA are polymers composed of the same basic subunits called -

a)

sugars

b)

nucleotides

c)

amino acids

d)

lipids

2.

Which process is responsible for copying the information found in an organism’s genome into strands of RNA?

a)

translation

b)

mitosis

c)

transcription

d)

photosynthesis

3.

Before DNA can be transcribed, the DNA must unwind and separate between the –

a)

nitrogen bases

b)

phosphate groups

c)

carboxyl groups

d)

deoxyribose sugars

4.

DNA is unwound and transcribed through the action of –

a)

vitamins

b)

polysaccharides

c)

cytochromes

d)

enzymes

5.

Which of the following nucleotide sequences could not represent a segment of RNA?

a)

GGC

b)

CUA

c)

TTG

d)

GUC

6.

Chemical signals are detected by receptor proteins in the cell membrane which triggers a cascade affect. This causes a formerly unexpressed gene to activate. This sequence of events demonstrates that the expression of genes is –

a)

spontaneous

b)

regulated

c)

random

d)

unmediated

7.

Which arrow to the right represents transcription?

a)

A

b)

B

8.

Which arrow above represents translation?

a)

A

b)

B

9.

In eukaryotes, transcription occurs inside of the -

a)

mitochondrion

b)

ribosome

c)

nucleus

d)

vacuole

10.

The translation of proteins is directed and organized primarily through the action of –

a)

lysosomes

b)

ribosomes

c)

vesicles

d)

Golgi bodies

11.

Within a nucleic acid, information is organized into specific codons. How many nucleotides are found within each codon?

a)

2

b)

6

c)

4

d)

3

12.

Each codon found on a strand of mRNA codes for a single amino acid. The amino acid is identified based on which characteristic of the codon?

a)

the number of nucleotides

b)

the sequence of nitrogen bases

c)

the amount of thymine present

d)

the type of sugar found in each nucleotide

13.

A gene from one species can be spliced into the genome of an entirely different species and the protein will be made correctly. This provides evidence that the genetic code is –

a)

different in every cell

b)

variable between species

c)

the same in all living things

d)

unique to each organism

14.

Complete the strands of nucleic acid above with the correct nitrogen bases.

a)

DNA: CGCAUAUC

RNA: TACAGACT

b)

DNA: GCGTATAG

RNA: AUGUCUGA

c)

DNA: GCGUAUAG

RNA: AUGUCUGA

d)

DNA: GCGTATAG

RNA: ATGTCTGA

15.

What is the sequence of amino acids that will be translated from the mRNA?


5' GUA UUG UCA CAA 3'

a)

valine - leucine - serine - glutamine

b)

valine - phenylalanine - serine - histidine

c)

glycine - leucine - serine - glutamine

d)

valine - leucine - serine - histidine

16.

What is the sequence of amino acids that will be translated from the mRNA?


5' CUA GGU UGA AAA 3'

a)

leucine - glycine - STOP

b)

leucine - glycine - STOP - lysine

c)

leucine - glycine - cysteine - lysine

d)

leucine - glycine - tryptophan - lysine

17.

For the section of DNA above, use the coding strand to determine the sequence of amino acids in the polypeptide.

*HINT: transcribe to mRNA, then translate into amino acids! You may need a piece of scratch paper.

a)

alanine - leucine - STOP

b)

alanine - leucine - STOP - isoleucine

c)

arginine - aspartic acid - isoleucine - tyrosine

d)

arginine - glutamic acid - isoleucine - tyrosine