Lethal mutations can be maintained in diploid organisms if they are
A. deletions.
B. recessive.
C. dominant.
D. None of the choices are correct.
Answer: B
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You have a sequence of DNA with a site on which the restriction enzyme EcoRI will act. EcoRI recognizes the sequence below and cuts each strand at the locations indicated by the arrows
Below is your sequence of DNA. You cut it with EcoRI. What fragments are produced? 5'ATTCGCGGAATTCTGG3' 3'TAAGCGCCTTAAGACC5' A. 5'ATTCGCGG3' 5'AATTCTGG3' 3'TAAGCGCCTTAA5' 3'GACC5' B. 5'ATTCGCGGAATT3' 5'CTGG3' 3'TAAGCGCC5' 3'TTAAGACC5' C. 5'ATTCGCGG3' 5'AATTCTGG3' 3'TAAGCGCC5' 3'TTAAGACC5' D. 5'ATTCGCG3' 5'GAATTCTGG3' 3'TAAGCGCCTTAAG5' 3'ACC5' E. 5'ATTCGCGG3' 5'AATT3' 5'CTGG3' 3'TAAGCGCC5' 3'TTAA5' 3'GACC5'
Which of the following processes is unique to the retroviral information flow within a cell?
A) RNA ? protein B) protein ? DNA C) RNA ? DNA D) DNA ? RNA E) protein ? RNA
The formation of intranuclear inclusion bodies is associated with cytomegalovirus infection.
Answer the following statement true (T) or false (F)
Nitrification and Agriculture
What will be an ideal response?