One of the products of a reaction occurring in a cell is water. What type of reaction is likely to be involved?
A. a decomposition reaction
B. a hydrolysis reaction
C. an exchange reaction
D. a synthesis reaction
E. The answer cannot be determined from the available information.
Answer: D
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Which of the following pathways does not require DNA ligase?
A. gap repair B. fork regression and resolution of a stalled replication fork C. synthesis-dependent strand annealing D. double-strand break repair E. All of the pathways given require DNA ligase.
You have been a sample of Mimivirus, which has the largest capsid diameter of all currently known viruses (600 nm) and is hexagon shaped (icosahedral). Based on your knowledge of microscopes, what would you be able to see/determine about mimiviral structure using each of the following microscopes?
a. simple compound (light) microscope b. fluorescent microscope using fluorescently labeled antibodies to a novel capsid protein c. magnetic resonance force microscope
The outcome of cleavage during embryonic development is the production of a
A. blastula. B. gastrula. C. neurula. D. substantially larger embryo. E. None of the choices are correct.
Answer the following questions true (T) or false (F)
1. When a virus takes over the machinery of a cell, it forces the cell to manufacture more viral particles. 2. Bacteria are considered to be a type of protist. 3. The simplest eukaryotes are the bacteria.