The technique developed by Hans Christian Gram is important for bacterial
A) etiology.
B) identification.
C) classification.
D) isolation.
E) epidemiology.
B
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Which of the following problems during DNA replication is being illustrated with the kids in the video
a. DNA replication only occurs in cancer cells. b. Nucleotides at the ends of the DNA strands are lost when DNA replicates. c. DNA replication is a very random process, and many mistakes are made. d. Within a chromosome, there is more telomerase than there is DNA
The last case of naturally contracted smallpox occurred in
A. 1900. B. 1950. C. 1965. D. 1977. E. 1989.
Why would researchers want to have both genomic libraries and cDNA libraries from a particular
organism?
a. The genomic library is generally too big to be helpful; a cDNA library, being smaller, is much easier to study. b. A cDNA library will be the same in every cell; the genomic library tells researchers which genes are being expressed in individual cell types. c. The cDNA library helps us understand how retroviruses work; the genomic library does not. d. The cDNA library is a lot easier to clone than a genomic library. e. A genomic library will be the same in every cell; the cDNA library tells researchers which genes are being expressed in individual cell types.
The repeating units of a compound eye are called
a. ocelli. b. lenses. c. rhabdomeres. d. ommatidia. e. pupils.