Parental strains are always homozygous dominant for all genes or homozygous recessive for all genes
Indicate whether the statement is true or false
FALSE
Explanation: Parental strains are simply homozygous for autosomal genes. Any given gene can be homozygous dominant or recessive, but they can be homozygous dominant for one gene and homozygous recessive for another.
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Which is true of competitive inhibition?
A. It involves an allosteric enzyme. B. Substrate and inhibitor both bind to the active site. C.A sulfa antibiotic is a competitive inhibitor. D. Mercury is a competitive inhibitor. E. Substrate and inhibitor both bind to the active site AND a sulfa antibiotic is a competitive inhibitor.
Which of the following characteristics of genetic material accounts for the need to get a flu vaccine every year, but a polio vaccine once in a life time?
A. Information. B. Replication. C. Transmission. D. Replication and Transmission. E. Variation.
Which of the following describes the function of a neutrophil?
a. engulfing and digesting pathogens b. producing inflammatory molecules c. cleaning up damaged cell debris d. regulating cell differentiation
The definition of lysogeny is
A) phage DNA is incorporated into host cell DNA. B) lysis of the host cell due to a phage. C) the period during replication when virions are not present. D) when the burst time takes an unusually long time. E) attachment of a phage to a cell.