Freshwater fishes excrete most of their nitrogenous wastes through the kidneys
____________________ Indicate whether the statement is true or false.
F, gills
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Where are most glucose transporter proteins ("GLUTs") located when levels of the hormone insulin are LOW?
A. inserted into the plasma membrane B. in the membranes of intracellular vesicles C. inserted into the nuclear membrane D. in the endoplasmic reticulum E. in the liver—They are transported to other cells when glucose levels rise.
The molecule shown above is testosterone, a substance that has important regulatory functions in
humans and many other animals. Molecules with regulatory functions like testosterone are called ____.
a. phytosterols b. enzymes c. lipoproteins d. hormones e. receptors
Cells are tiny bags of carbon
a. True b. False Indicate whether the statement is true or false
Cryptococcus neoformans is a gram-negative cocci with a thick capsule
Indicate whether the statement is true or false