Which type of chemical reactions in cells release energy?
A. Anabolic
B. Catabolic
C. Metabolic
B. Catabolic
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Eukaryotic mRNA has a significantly longer half life than its prokaryotic counterpart. How is this
accomplished in eukaryotes? What processes tend to degrade mRNA molecules in both eukaryotes and prokaryotes, and why are these processes needed? What will be an ideal response?
Antibodies binding to their antigen can activate complement. This, in turn, leads to opsonization of the antigen-antibody complexes. What is meant by opsonization?
A. Clumping of antibody-antigen complexes into insoluble substances. B. Clumping together of the antibody-antigen complexes. C. Coating antibody-antigen complexes, making them more easily phagocytized by macrophages and neutrophils. D. Lysis of the cells bearing the antibody-antigen complexes.
What is the main difference between bacterial and eukaryotic transposons?
a. Eukaryotic transposons sometimes transpose using RNA and bacterial transposons do not. b. Eukaryotic transposons carry genes and bacterial transposons do not. c. Bacterial transposons contain inverted repeats and eukaryotic transposons do not. d. Bacterial transposons sometimes transpose using RNA and eukaryotic transposons do not.
DNA codes for the sequence of amino acids in the primary structure of a protein, but not for sugars or lipids. This is because
What will be an ideal response?