The technique known as real-time PCR is used to
A) prepare cDNA molecules for cloning.
B) detect the presence of specific genetic sequences in a sample.
C) isolate DNA fragments for cloning.
D) measure the number of copies of a DNA sequence in a sample.
E) both detect and isolate DNA fragments in a sample.
D
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What happens to an enzyme after it has catalyzed a reaction?
a. it is sent to the proteasome for degradation b. it is inactivated by phosphorylation c. it is inactivated by dephosphorylation d. it releases the cofactor to get a new one ready for catalysis e. it returns to its original state
Describe the benefits of self-incompatibility and self-compatibility
What will be an ideal response?
Scientists believe life arose spontaneously from nonliving matter
Indicate whether the statement is true or false.
Compare the leaf structure of monocots and eudicots. What will be an ideal response?