Which of the following is a product of DNA replication?
a. a new strand of DNA
b. rRNA
c. tRNA
d. mRNA
Ans: a. a new strand of DNA
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Which of the following statements best compares the ovary, ovule, and egg?
A. The three terms are synonymous. B. The ovary is the lower part of the pistil that houses the ovules (also called eggs). C. An ovule is the lower part of the pistil that houses the ovary that in turn contains the eggs. D. Ovules are small ovaries and either can produce eggs. E. The ovary is the lower part of the pistil that houses the ovules that in turn contain the eggs.
Which type of microscope achieves the greatest resolution and highest magnification?
A. Bright-field B. Phase-contrast C. Electron D. Fluorescence E. Dark-field
The sum total of all chemical reactions that occur within an organism. Also, a specific set of chemical reactions occuring at the cellular level.
Transcription in prokaryotes is carried out by ________, which unwind(s) and transcribe(s) the gene.
A. transcription factors B. RNA polymerase III C. RNA polymerase II D. RNA polymerase E. RNA synthetase