What is the consensus sequence for the Pribnow box from these sequences?
A) TTGATA
B) TATGAT
C) TATTAT
D) ACCA
E) TAGTAT
B
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The new, high-yield crops require which of the following that cannot be supplied by subsistence
agriculture? a. irrigation b. pesticides c. fertilizers d. fossil fuel energy e. all of these
Which of the following statements about RNAi are true? Select all that apply.A) RNAi sequences are designed to be complementary to the rRNA that will function in the translation of a gene of interest.B) Once the complementary RNAi sequences enter the cell, they bind with the target RNA, producing double-stranded RNA molecules.C) These double-stranded RNA molecules are then broken down by a series of enzymes within the cell.D) RNAi is being researched as a potential treatment for a number of human diseases including cancer and hepatitis.
What will be an ideal response?
Knowledge of the cell cycle has led to improved means of treating cancer. Taxol prevents the microtubules of the spindle fiber from functioning normally. Taxol prevents the cell cycle from entering
a. G1. b. G2. c. S. d. prophase. e. interphase.
What is the term given to the theory that put forth the idea that living organisms could arise by incubating nonliving components?
A) spontaneous generation B) collective combination C) preformation D) evolution E) natural selection