Viral genomes can be
a. linear or circular.
b. double-stranded or single-stranded.
c. composed of RNA or DNA.
d. all of the above.
Answer: D
You might also like to view...
Arthritis is a condition in which
1.Bones are unusually fragile and break easily. 2.The bone marrow does not develop properly. 3.There is an inflammation of the joints. 4.The epiphyses do not permit growth. 5.Tendons are stretched.
Futuyma and colleagues (1995 ) demonstrated that host shifts by the herbivorous leaf beetles of the genus Ophraella in feeding on members of the sunflower family are due to the ________
A) frequency-dependent selection properties among beetle populations B) low mutation rate observed in beetle populations C) need for populations to maintain sufficiently large sizes on a small number of hosts D) availability of genetic variation sufficient for evolutionary change
Which type of light is not absorbed strongly by photosynthetic pigments?
a) Far-red b) Blue c) Red
In females, the first polar body is formed during
A. meiosis I. B. meiosis II. C. ovulation. D. fertilization.