If a mixture of bacteriophages, some labeled with

radioactive sulfur and others labeled with radioactive
phosphorus, is placed in a bacterial culture, the
bacteria will eventually contain
a. radioactive sulfur.
b. radioactive phosphorus.
c. both radioactive sulfur and phosphorus.
d. neither radioactive sulfur nor radioactive
phosphorus.
e. complete viruses with radioactive sulfur coats.


Answer: b

Biology & Microbiology

You might also like to view...

The endosymbiosis that formed mitochondria likely occurred after eukaryotes developed photosynthetic capabilities

Indicate whether the statement is true or false.

Biology & Microbiology

What would be a set of anticipated results from a "Lederberg" experiment?

A. Total number of colonies on a plate: 1500 Total number of resistant colonies on replica plate with T1: 150 B. Total number of colonies on a plate: 1500 Total number of resistant colonies on replica plate with T1: 1500 C. Total number of colonies on a plate: 500 Total number of resistant colonies on replica plate with T1: 1500 D. Total number of colonies on a plate: 1500 Total number of resistant colonies on replica plate with T1: 0

Biology & Microbiology

Birds are homeothermic animals

Indicate whether the statement is true or false

Biology & Microbiology

In the Beadle and Tatum study, it was important that Neurospora was haploid because:a

it is easier to grow haploid molds in the laboratory. b. haploid molds have simpler nutritional requirements than do diploid molds. c. a mutation that arises is not masked by a normal allele on a homologous chromosome. d. haploid Neurospora will always mutate. e. diploid Neurospora will always mutate.

Biology & Microbiology