An animal virus contains protein, lipid, and DNA. Shown here is the absorption spectra of the three macromolecules purified from the virus. Which of the three samples, A, B, or C, contains DNA?
A. Sample A contains DNA.
B. Sample B contains DNA.
C. Sample C contains DNA.
B
You might also like to view...
The domain Archaea was discovered in the mid-1970s. Despite the recent start to investigations of archaeal species, some general chromosome and genome characteristics are clear
Which of the following similarities have been found between archeae and bacteria? A) they have no nucleus B) they are haploid C) a high percentage of the genome encodes proteins D) many genes share promoters E) all of the above
A diploid cell containing 32 chromosomes will make a haploid cell containing ___ chromosomes
(a) 8 (b) 16 (c) 30 (d) 64
Foraminiferan shells are made of
A. cellulose. B. chitin. C. calcium carbonate. D. peptidoglycan. E. silica.
Antigen receptors give __________ the collective potential to recognize billions of different antigens. Fill in the blank(s) with the appropriate word(s)