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Worksheetsmolecular biology
Total questions: 10
Worksheet time: 7mins
A molecule that transports amino acids to the ribosome and interacts with codons in mRNA, placing amino acids in their proper order in protein synthesis is:
mRNA
miRNA
SiRNA
tRNA
What is the result of UV light absorption by pyrimidine bases in DNA?
Formation of purine dimers
Breakage of the DNA strand
Formation of pyrimidine dimers
Conversion of pyrimidines to purines
Which of the following processes involves the duplication of a cell's DNA, resulting in two identical DNA molecules?
Transcription
Translation
DNA Replication
Cell Division
Which is the complementary base sequence for the following segment of a strand of DNA.5'ACGATCT3'
3'CATCGA5'
5'CAGTCTC3'
3'TGCTAGA5'
3'GATGCCA5'
RNA is the genetic material in
all living organisms
only in retro viruses
only in bacteria
both viruses and bacteria
The pyrimidine present only in DNA is
Adenine
Guanine
Thymine
Uracil
Which enzyme is used in the unwinding of DNA?
Ligase
Topoisomerase
Helicase
Exonuclease
