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WorksheetsReplication and Transcription
Total questions: 18
Worksheet time: 10mins
Why must the information for making a protein be transcribed to an mRNA molecule before the protein can be made at the ribosome?
DNA cannot leave the nucleus so the message is sent on mRNA to the ribosome.
DNA cannot leave the nucleus so the message must be sent on tRNA to the ribosome.
DNA cannot leave the nucleus so the message must be sent on rRNA to the ribosome.
DNA can leave the nucleus.
Where in the cell does DNA replication take place?
cytoplasm
nucleus
ribosome
rough ER
Since one strand of the original DNA is saved in each new DNA molecule, we say that DNA replication is...
conservative
semi-conservative
completely conservative
not conservative
What is the "Y" shaped form between the two strands of DNA called as they are separating during replication?
strand separating fork
synthesis fork
replication fork
DNA fork
During what part of interphase does DNA make a copy of itself?
G1
G3
G2
S
According to Chargaff's rule, if a sample of DNA is 40% adenine, what percent is guanine?
10%
20%
40%
80%
The process in which DNA makes a copy of itself before the cell divides is called...
mitosis
transcription
meiosis
replication
DNA contains the sugar...
ribose
deoxyribose
glucose
chitin
RNA contains the sugar...
deoxyribose
starch
ribose
galactose
What base does DNA contain that RNA does not?
Uracil
Thymine
What base does RNA contain that DNA does not?
Thymine
Uracil
DNA is ________ stranded.
single
triple
double
RNA is _______ stranded.
double
single
triple
What does the process of transcription produce?
DNA
RNA
genes
chromosomes
What is the process of copying a sequence of DNA (gene) to produce an mRNA molecule?
translation
transcription
replication
translocation
Where does the process of transcription take place?
cytoplasm
rough ER
nucleus
nucleolus
The Central Dogma states that information flows in only one direction from...
DNA-RNA-Protein
Protein-RNA-DNA
RNA-Protein-DNA
DNA-Protein-RNA
In the process of transcription, how many strands of the DNA molecule are used as a pattern for making the mRNA molecule?
2
3
4
1
