Nonliving entities do NOT possess
a. energetic interactions.
b. DNA.
c. atoms.
d. elements.
e. any of these.
Answer: b
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A plasmid is extrachromosomal, circular DNA with an origin of replication (allows replication) and often contains genes for antibiotic resistance, metabolism of unusual molecules (e.g., Pseudomonas) or virulence.
a. true b. false
All of the following statements regarding cataracts are true, EXCEPT
A. Cataracts is a term for the clouding of the lens. B. Cataracts may occur secondary to congenital galactosemia. C. Cataracts may occur secondary to congenital glaucoma. D. Exposure to radiation may induce cataracts. E. The rubella virus may induce cataracts.
Where did Homo sapiens evolve?
A. Asia B. Middle east C. Africa D. independently in multiple regions of the world E. North America
When caught early, breast cancer is often treated by
1.lumpectomy. 2.modified radical mastectomy. 3.radical mastectomy. 4.chemotherapy, alone. 5.radiation therapy, alone.