Transport epithelia are responsible for __________.
a. pumping water across a membrane
b. forming an impermeable boundary at an interface with the environment
c. the movement of solutes in osmoregulation or excretion
d. transporting urine in the ureter and urethra
e. the passive transport of H+ and HCO3- for the regulation of pH
Answer: c. the movement of solutes in osmoregulation or excretion
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Which of these methods can identify bacteria in a sample without culturing the bacteria?
a. flow cytometry b. biochemical testing c. fluorescent in situ hybridization (FISH) d. phage typing e. flow cytometry and fluorescent in situ hybridization (FISH)
Sexual reproduction
A. allows more offspring to be produced per individual. B. allows a parent to pass on 100% of their genes to offspring. C. increases genetic variation. D. results in the formation of a haploid zygote. E. only occurs in vertebrates.
Sucralose is a non-caloric artificial sweetener. Its structure is similar to sucrose, but with three of sucrose's hydroxyl groups replaced by chloride. How do you predict sucralose behaves in the body?
A. Sucralose is unable to bind conventional sugar transport mediators and is excreted. B. Sucralose binds to glucose transport mediators and is metabolized by normal metabolic pathways. C. Sucralose enters cells by diffusion. D. Sucralose does not enter the body.
Evolution on a large scale, or ____ involves speciation, or the splitting of one species into two or more species.
Fill in the blank(s) with the appropriate word(s)