What is the name of the specific region where replication of a bacterial chromosome begins?
a. the replication fork
b. the ori
c. the ter
d. the beg
Answer: b. the ori
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Rosalind Franklin's research contribution was essential in _____
a. establishing the single-stranded nature of DNA b. establishing the principle of base pairing c. establishing most of the principal structural features of DNA d. sequencing DNA molecules e. determining the bonding energy of DNA molecules
The bonding of two amino acid molecules to form a larger molecule requires
a) both the release of a carbon dioxide molecule and the addition of a nitrogen atom. b) the release of a carbon dioxide molecule. c) the release of a water molecule. d) the addition of a water molecule. e) the addition of a nitrogen atom.
Which of the following are composed of arrays of long, multinucleated cylindrical fibers?
A. Skeletal muscle tissue B. Nervous tissue C. Smooth muscle tissue D. Epithelial tissue E. Adipose tissue
Which of the following statements is FALSE?
A) Salts readily dissolve in water. B) Water molecules are formed by hydrolysis. C) Water freezes from the top down. D) Water is formed as a part of a dehydration synthesis reaction. E) Water is a polar molecule.