Replication of the E. coli chromosome is initiated at
A. a single site.
B. two sites.
C. 10 sites.
D. multiple sites.
Ans: A. a single site.
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What is an oncogene?
a. genes that trigger apoptosis in malignant cancer cells b. carcinogenic viral DNA inserted into human DNA c. a gene that may cause cancer when it has been mutated d. a duplicate of a damaged gene that prevents cancer
A life history pattern for a population is a set of adaptive traits such as _____
a. logevity c. age at reproductive maturity b. fertility d. all of these
Oxyhemoglobin contains _____
a. oxygen bound irreversibly to a heme group b. carbon dioxide c. carbonic anhydrase d. bound oxygen in the absence of a heme group e. oxygen bound reversibly to a heme group
The phenotype expressed by a single genotype can be affected by environmental conditions
Indicate whether the statement is true or false