Physical exchange between homologous chromosomes (crossover) occurs during the fourstrand stage of meiosis
A. true
B. false
A
Biology & Microbiology
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How are the gastric glands in the stomach protected from digestion by the enzyme they produce?
What will be an ideal response?
Biology & Microbiology
The number of persons afflicted with an infectious disease is the ________ rate.
A. morbidity B. pandemic C. incidence D. mortality E. endemic
Biology & Microbiology
Describe the process of pollination in flowering plants
What will be an ideal response?
Biology & Microbiology
The polio vaccine currently administered in the U.S., known as IPV, is an example of a(n) ________ vaccine
A) attenuated B) whole inactivated C) subunit D) toxoid E) recombinant
Biology & Microbiology