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WorksheetsBio week 7
Total questions: 20
Worksheet time: 14mins
What is the correct order to make a protein?
Protein, DNA, RNA
RNA, DNA, Protein
DNA, RNA, Protein
Protein, RNA, DNA
A polypeptide is a sequence of ____________________ held together by a ______________ bond.
amino acids; peptide
fatty acids; ionic
proteins; hydrogen
fatty acids; covalent
TRANSCRIBE this DNA sequence: TACGTTACT
AUGCAAUGA
ATGCAATGA
AUGGATUGA
TACGTTACT
TRANSLATE this RNA sequence: AUGCAAUGA
Met-Glu-Stop
Met-His-Stop
Thr-Glu-Stop
Thr-Pro-Stop
What type of operon is the trp (tryptophan) operon?
inducible
repressible
positive control
promoible
The tryptophan operon is
permanently turned on.
turned on when tryptophan is present in the growth medium.
turned off only when glucose is present in the growth medium.
turned off when tryptophan is added to the growth medium.
In attenuation, the operon will stop once sequence _________and _________ basepair
1,2
2,3
3,4
1,3
What is the denaturation step?
mutating RNA polymerase
Cooling DNA to allow primers to form
separating DNA helix in a cold environment
separating DNA helix with using heat
What is the Extension step?
DNA polymerase adds nucleotides to the 5' end
RNA polymerase adds nucleotides to the 5' end
DNA polymerase adds nucleotides to the 3' end
RNA polymerase adds nucleotides to the 3' end
What is transformation?
The use of viruses to transform or genetically
engineer cells.
The measure of how well cells are transformed in a new phenotype.
The insertion of a foreign plasmid into a bacterial cell which results in new acquired traits.
Genetic engineering or transformation of mammalian cells.
All plasmids have a promoter region which is necessary for
DNA to be duplicated
DNA to be transcribed into RNA
DNA to be inserted easily
DNA to be cut open
