What color will the colonies of lactose fermenting bacteria appear when grown on MacConkey agar?
A) Red
B) Pink
C) White
D) Colorless
B) Pink
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Which of the following treatments would enhance the level of the Pfr form of phytochrome?
A) exposure to far-red light B) exposure to red light C) a long dark period D) inhibition of protein synthesis E) synthesis of phosphorylating enzymes
Crick and his colleagues proposed that the genetic code consists of a series of blocks of information, called ______, each corresponding to one amino acid in an encoded protein.
A. alleles B. codons C. genes D. polypeptides
What are the potential advantages of lysogeny compared to lysis for a temperate virus?
What will be an ideal response?
When a protein is composed of more than one polypeptide chain, the arrangement of the chains is called the ________ structure.
A. primary B. secondary C. tertiary D. quaternary