A segment of DNA
Three nucleotides that code for an amino acid
A sequence of nucleotides in DNA that codes for a functional product
A sequence of nucleotides in RNA that codes for a functional product
A transcribed unit of DNA
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DNA polymerase — makes a molecule of DNA from a DNA template
RNA polymerase — makes a molecule of RNA from an RNA template
DNA ligase — joins segments of DNA
Transposase — insertion of DNA segments into DNA
DNA gyrase — coils and twists DNA
DNA polymerase joins nucleotides in one direction only.
The leading strand of DNA is made continuously.
The lagging strand of DNA is started by an RNA primer
DNA replication proceeds in one direction around the bacterial chromosome
Multiple replication forks are possible on a bacterial chromosome.
A single strand of nucleotides with internal hydrogen bonding
Two complementary strands of nucleotides bonded A—C and G—T
Two strands of nucleotides running antiparallel
Two strands of identical nucleotides with hydrogen bonds between them
None of the answers is correct.
A new strand of DNA
None of the answers are correct; all of these are products of transcription
The genes coding for them are on plasmids.
They cause food-poisoning symptoms.
Nisin is a bacteriocin used as a food preservative
They can be used to identify certain bacteria
Bacteriocins kill bacteria
1, 2, 3, and 9
3 and 9
4, 6, and 8
4 and 8
5 and 6
1 will remain the same; 2 will become F+, leucine-, histidine-
1 will become F-, leu+, his+; 2 will become F+, leu-, his-
1 will become F-, leu-, his-; 2 will remain the same
1 will remain the same; 2 will become F+, leu+, his+
1 will remain the same; 2 will become F+ and recombination may occur
1 will remain the same; 2 will spend years trying to change 1, but never succeed
They will both remain the same.
1 will become F+, leu+, his+; 2 will become F+, leu+, his+
1 will remain the same; recombination will occur in 2
1 will become F-, leu+, his+; 2 will become Hfr, leu+, his+
The answer cannot be determined based on the information provided.
High; does; does
Low; does not; does not
High; does not; does
Low; does not; does
None of the answers is correct.
By a bacteriophage.
As naked DNA in solution
By cell-to-cell contact
By crossing over
By sexual reproduction
All of the answers are correct
It possesses a plasmid
R+ can be transferred to a cell of the same species
It is resistant to certain drugs and heavy metals
It is F+
R+ can be transferred to a different species
DNA to break
Bonding between adjacent thymines
The formation of highly reactive ions
The cells to get hot
End-product must not be in excess
Substrate must bind to the enzyme
Substrate must bind to the repressor
Repressor must bind to the operator
Repressor must not be synthesized
Substrate binding to the repressor
Corepressor binding to the operator
Corepressor-repressor complex binding to the operator
End product binding to the promoter
The answer cannot be determined based on the information provided
Repaired during transcription
Repaired during translation
Cut out and replaced
Repaired by DNA replication
Here's an interesting quiz for you.