Meiosis is thought to have appeared early in evolution because most eukaryotes perform meiosis and the steps of meiosis are the same in all eukaryotes
A. true
B. false
A
Biology & Microbiology
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Viruses can be divided into seven basic classes. This classification is determined by:
A. nucleic acid of genome. B. type of host infected. C. cellular location of infection. D. presence of nuclear DNA. E. virus size.
Biology & Microbiology
Anaphylactic shock can be controlled by an immediate injection of histamine
Indicate whether the statement is true or false.
Biology & Microbiology
Nerve impulses coming into the spinal cord enter via
a. intervertebral disks. b. neuroglia. c. the dorsal roots. d. Broca’s area. e. ventral roots.
Biology & Microbiology
Which is not used as a chemical preservative in food?
A. Salt B. Organic acids C. Ethylene oxide gas D. Antibiotics E. Sulfite
Biology & Microbiology