Since the chance of any one particular sperm fertilizing an egg is very low, large numbers of sperm are produced by the male reproductive system
Indicate whether the statement is true or false
TRUE
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What is the best definition of biotransformation?
A. Production of alcohol from a substrate B. Oxidation of sugar to carbon dioxide C. Use of microorganisms to modify substances not normally used for growth D. Production of a toxin from a nontoxic chemical
The most precise method of obtaining estimates of the absolute ages of geological deposits is to
A. apply the principle of superposition (younger deposits above older deposits). B. measure the ratios of various radioactive isotopes in the deposits. C. measure rates of sedimentary rock formation. D. make salinity measurements in ocean sediment deposits. E. study the sequence of fossil types in the deposits.
An individual basidium ultimately produces
A. four haploid spores, each genetically different. B. eight diploid spores. C. four genetically identical haploid spores. D. eight haploid spores, of which there are two each of four different genetic types. E. eight identical haploid spores.
Referring to the ionic bond formation between sodium and chlorine, which of the following is not a true statement?
A. Na is the chemical symbol for sodium.
B. Sodium donates an electron.
C. Chlorine donates an electron.
D. Sodium becomes positively charged.
E. The bond that is formed is stronger than a hydrogen bond.