How does a base differ from an acid?
What will be an ideal response?
A base is a solution with a concentration of OH- that is higher than the concentration of H+ (pH greater than 7). An acid has a H+ concentration that exceeds its OH- concentration (pH less than 7).
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If a new allele appears in a population, the Hardy–Weinberg formula
(a) cannot be used because no equilibrium exists. (b) can be used but only for two alleles at a time. (c) can be used by lumping all but two phenotypes in one class. (d) can be expanded by adding more terms.
The human body is colonized by a variety of bacteria that reside in very specific sites or anatomical locations throughout. These organisms are classified as:
a. opportunistic pathogens. b. infectious organisms. c. normal resident organisms. d. normal human microbiota.
Parasites are always transmitted between hosts via an intermediate vector organism
Indicate whether the statement is true or false
Which of the following whale species are recovering their population numbers as a result of whale harvesting regulations?I-right whalesII-Pacific gray whalesIII-sperm whalesIV-fin whalesV-humpback whales
A. I, II, and V B. I and II C. II and V D. I, II, III, and IV E. I, II, and III