Molecules that are involved in the regulation of gene expression, which are usually comprised of proteins?
(A) translation factors
(B) RNA polymerase
(C) RNA codons
(D) transcription factors
Answer: (D) transcription factors
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Which of the following organs are likely to be
affected by a defective CFTR protein?
a. lungs b. intestines c. heart d. lungs and intestines e. heart and intestines
Oceanic gyres circulate in a counterclockwise direction in the Northern Hemisphere and in a clockwise direction in the Southern Hemisphere
Indicate whether the statement is true or false
A gemma is a sexual reproductive structure produced by certain liverworts
____________________ Indicate whether the statement is true or false.
Which technique can be used to identify Down syndrome in a developing fetus?
A) PCR B) Southern blot C) Chorionic villus sampling D) Gel electrophoresis E) RFLP