During the DNA replication process, which of the following organisms would have the fewest origins of replication per cell?
A. a Streptococcus bacterium.
B. a yeast cell.
C. a human.
D. a young oak tree.
E. a fruit fly.
A. a Streptococcus bacterium.
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Which organelle stores most of the DNA in plant and animal cells?
A) Golgi complex B) mitochondrion C) chloroplast D) nucleus E) lysosome
Figure 28.12
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The following question refers to the accompanying figure illustrating transport in phloem.
Bulk flow of organic compounds is indicated by letter ____.
A. A B. B C. C D. D E. E
Which of these hormones is released by the posterior pituitary gland?
a. thyroid hormone b. antidiuretic hormone c. glucagon d. insulin
Which of the following is NOT true about DNA replication?
A.) It must occur before a cell can divide B.) Two complementary strands are duplicated C.) The double strand unwinds and unzips while it is being duplicated D.) The new DNA molecule has two newly-made strands.