The membrane is permeable to protons.

a. true
b. false


b. false

Biology & Microbiology

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Answer the question using the accompanying figure. The molecule shown is held together by ____

a. polar covalent bonds b. van der Waals forces c. ionic bonds d. hydrogen bonds e. nonpolar covalent bonds

Biology & Microbiology

How do the nervous systems of cnidarians and arthropods differ?

What will be an ideal response?

Biology & Microbiology

Which serve as examples of convergence?

a. dolphins and tuna b. panthers and tigers c. apes and monkeys d. sharks, skates, and rays e. mice, rats, and gerbils

Biology & Microbiology

_________ speciation occurs within a species in a single geographic area.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology