Which terms accurately reflect the nature of replication of the chromosome in E. coli?

A) multirepliconic and telomeric
B) bidirectional and multirepliconic
C) unidirectional and reciprocal
D) bidirectional and fixed point of initiation
E) unidirectional and fixed point of initiation


Answer: D

Biology & Microbiology

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Scientists recently identified a gene that is linked with ovarian cancer. Variations in the KRAS

gene occur in one-quarter of women with ovarian cancer. Thus, KRAS is considered a __________.

a. type of stem cell b. genetic marker c. vector d. DNA profile

Biology & Microbiology

In an unchanging environment, a well-adapted population is likely to experience no natural selection

of any kind.

Indicate whether the statement is true or false.

Biology & Microbiology

Four of the five answers listed below are endocrine glands. Select the exception

a. thymus gland b. salivary gland c. parathyroid gland d. thyroid gland e. pituitary gland

Biology & Microbiology

Ig stands for __________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology