Answer the following questions true (T) or false (F)
1. Food poisoning is often the result of ingesting microbial toxins, not the microbes themselves.
2. Water contamination refers only to the presence of excess or non-endemic microbes.
1. TRUE
2. FALSE
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A trait with high heritability will:
A. respond quickly to artificial selection. B. respond quickly to natural selection. C. respond quickly to changes in the environment. D. respond quickly to both artificial selection and natural selection. E. respond quickly to artificial selection, natural selection, and changes in the environment.
Which structure do the collecting ducts empty directly into?
A. Kidney B. Renal pelvis C. Urethra D. Urinary bladder E. Ureters
Skin pigment is made by
a. erythrocytes. b. phagocytes. c. melanocytes. d. dendritic cells. e. fibroblasts.
Which of the following terms accurately describes the replication of DNA in vivo?
A) dispersive B) semidiscontinuous C) conservative D) nonlinear E) nonreciprocal