Freshwater fishes excrete most of their nitrogenous wastes through the kidneys

____________________ Indicate whether the statement is true or false.


F, gills

Biology & Microbiology

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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.

Biology & Microbiology

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

Biology & Microbiology

Cells are tiny bags of carbon

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

Cryptococcus neoformans is a gram-negative cocci with a thick capsule

Indicate whether the statement is true or false

Biology & Microbiology