Marine mammals produce uric acid that is less concentrated than seawater
Indicate whether the statement is true or false.
ANSWER: False - urine, more
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Genes expressed in almost all cell types are called ____ genes
a. housekeeping b. regulated c. activator d. homeotic e. structural
Populations rarely reach their biotic potential because ________
a. species cannot breed quickly enough b. the death rate always exceeds the birth rate c. there are limiting factors on population growth d. all of the choices
Which of the following statements about stress is true?
a. It impacts only one organ system at a given time. b. It does not influence the function of the nervous system. c. It causes a body response in an attempt to maintain homeostasis. d. It is characterized by a stable internal and external environment. e. It maintains a stable condition within the body.
Vaccination with the influenza vaccine confers lifelong immunity to influenza virus
Indicate whether the statement is true or false