Recombinant DNA technology is used to
A) create many copies of a specific piece of DNA.
B) make more copies of DNA polymerase.
C) copy protein into RNA.
D) make RNA in the cell nucleus.
A) create many copies of a specific piece of DNA.
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If a virus enters the lytic phase in a host's cell, it will cause the host cell to
A. reject the virus. B. shrink because of the loss of cytoplasm that has been used in the synthesis of viral DNA. C. lysis due to the action of enzymes D. replicate itself at a higher than normal frequency. E. initiate an attack on the virus.
Change in the DNA-histone complex that can increase or decrease transcriptional activity is termed
A) induction. B) gene regulation. C) chromatin remodeling. D) nucleosome formation. E) None of these
The genotypes and numbers of progeny resulting from a testcross are as follows: t+g+ l+ 72 tgl 69 t+gl 21 tg+l+ 18 t+gl+ 9 tg+l 8 t+g+l 2 tgl+ 1 Total 200 Calculate the genetic distance between genes g and l
What will be an ideal response?
________ is responsible for receiving, interpreting, and producing a response to stimuli.
A. Epithelial tissue B. Muscle tissue C. Connective tissue D. Nervous tissue