Have an account?
Skip to Content
Build your own quiz
Suggestions for you
15 questions
Show Answers
See Preview
- 1. Multiple Choice
What enzyme does transcription use?
DNA polymerase
ligase
RNA polymerase
helicase
- 2. Multiple Choice
Capping is addition of _____ towards 5' end of hn RNA
Methyl cytosine
Methyl guanosine
Methyl adenosine
Methyl uridine
- 3. Multiple Choice
RNA must be edited before it can be used to make Proteins, what happens during this editing process?
A spliceosome cuts out exons, reconnects the introns
A spliceosome cuts out the introns, reconnects the exons
A splicesome pairs nucleotides with the DNA base pairs
The RNA is checked for typos
- 4. Multiple ChoiceWhich RNA bases would pair with TACGAA in transcription?AUGCUUATGCTTGCATCCGCAUCC
- 5. Multiple Choice
Where on the DNA strand does RNA polymerase attach?
Complainer
Enforcer
Promotor site (TATA box)
Polymerator
- 6. Multiple Choice
The______ region lies towards the 3'end of the coding sequence of DNA since the transcript is made ___.
Promoter, 5'-3'
Terminator, 5'-3'
Promotor, 3'-5'
Structural genes, 3'-5'
- 7. Multiple Choice
Select the true statement.
The whole DNA antisense strand is transcribed
Both sides of the DNA strands are encoded into mRNA.
The gene section of a DNA antisense strand is transcribed.
The gene section of the double helix is transcribed.
- 8. Multiple Choice
Which statement is true?
A gene is expressed all the time.
All genes in our chromosomes are expressed at the same time frame of life.
A gene is expressed when needed, otherwise it is 'silent'.
All genes are expressed all the time.
- 9. Multiple Choice
Select which nitrogenous bases can NOT be found in RNA.
Adenine
Thymine
Uracil
Cytosine
Guanine
- 10. Multiple ChoiceThe difference between DNA code and the epigenome is that the DNA code isflexible, while the epigenome is fixed for lifefixed for life, while the epigenome is flexibledetermined by the environment, while the epigenome is notdetermined by one's stress level, while the epigenome is not
- 11. Multiple Choice
Every cell has a copy of every gene
True
False
- 12. Multiple Choice
All genes are expressed in every cell
True
False
- 13. Multiple Choice
Why do identical twins begin to look different as they age?
they look identical but their DNA has always been different
Mutations accumulate which deactivates histone proteins.
The addition of epigenetic tags result in changes in gene function.
The DMNT gene is silenced.
- 14. Multiple Choice
The protein DNA wraps around to form a nucleosome.
Gene
Chromosome
Nucleus
Histone
- 15. Multiple Choice
The DNA is tightly wrapped around the histone proteins and the gene is methylated.
The gene is silenced.
The gene is active.
It is impossible to tell.
The gene is on and off at various times.
- Answer choicesTagsAnswer choicesTags