Which of the following fundamental properties of life do viruses not possess?

A) metabolism
B) irritability
C) ability to reproduce
D) both choices A and B
E) both choices B and C


D) both choices A and B

Biology & Microbiology

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Some scientists have suggested that recent outbreaks of sudden oak disease could be fought through the creation of transgenic plants with genetic resistance to sudden oak disease. What would be the source of this genetic resistance?

A. species of aphids with resistance to sudden oak disease. B. newly synthesized genes inserted into plants' genomes. C. species with unusually high levels of host plant resistance. D. domesticated apple trees adapted to North America. E. original host species in the source region of the disease.

Biology & Microbiology

Prenatal detection of human diseases has been greatly enhanced by two procedures. Name and briefly describe each

What will be an ideal response?

Biology & Microbiology

Researchers tend to name genes based on what happens in their absence. The tinman gene in Drosophila results in flies ______________________.

A. without hearts B. with nonjointed legs C. with a thick exoskeleton D. with rust colored eyes E. without brains

Biology & Microbiology

Some tissues need to be able to expand and contract, such as lungs during breathing and intestines during digestion. Predict which ECM protein would be abundant in these tissues.

A. glycosaminoglycans B. laminin C. elastin D. collagen E. fibronectin

Biology & Microbiology