The preferred method for long term storage of bacteria is (freezing/refrigeration/lyophilization)
What will be an ideal response?
lyophilization
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Each of the following are features of a cloning host except
A. mapped genome. B. transformable. C. minimal growth requirements. D. pathogenicity. E. quick generation time.
A researcher wants to cleave the DNA of a target organism at a single, precise location in the genome. The best way to achieve this is to select a restriction enzyme that recognizes a 4-8 bp palindromic sequence on the double-stranded DNA.
Answer the following statement true (T) or false (F)
What is not consequence of the rise in the average global temperature?
A. Extreme rainfall patterns B. Increased rate of glacial melting C. Flooding of coastal areas D. Decrease in atmospheric oxygen E. Stronger hurricanes
Polypeptides are synthesized from amino acid building blocks. The condensation reaction between the growing polypeptide chain and the next amino acid to be added involves the loss of ________________
(a) a water molecule. (b) an amino group. (c) a carbon atom. (d) a carboxylic acid group.