Which of the following best defines what occurs during transcription?
a. DNA is used to make a polypeptide.
b. A polypeptide is used to make RNA.
c. RNA is used to make a DNA strand.
d. DNA is used to make a complementary RNA copy
Ans: d. DNA is used to make a complementary RNA copy
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Experimental studies have produced ribozymes that ____
a. reverse transcribe DNA from an RNA template b. polymerize new RNA from an RNA template c. cleave cellular membranes d. produce completely new RNA strands e. polymerize new proteins from an RNA template
Most leaf cells are no more than ____ from a xylem vein
a. one inch b. one centimeter c. half a millimeter d. 50 micrometers e. two inches
Describe the various types of nucleic acids that are typically found in cells
What will be an ideal response?
Pasteurization is a more rigorous process than canning
Indicate whether the statement is true or false