Of the following, which group exhibits a diverse morphology, forming unicells, filaments, and sheets?

a. diatoms
b. euglenoids
c. green algae
d. brown algae
e. dinoflagellates


c

Biology & Microbiology

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The supersecondary structure (motif) most likely to contain a heptad (or leucine) repeat would be:

A. a Greek key. B. a ?-?-?. C. a helix-turn-helix. D. a coiled-coil. E. a four-helix bundle.

Biology & Microbiology

What kind of bond exists between two amino

acids in a protein?

a. peptide b. ionic c. hydrogen d. amino e. sulfhydroxyl

Biology & Microbiology

What are the two most "precious liquids" needed for modern agricultural practices in developed countries?

A) water and liquid fertilizer B) water and oil C) oil and pesticides D) liquid fertilizer and pesticides

Biology & Microbiology

What were the most direct ancestors of modern plants?

a. cyanobacteria b. fungi c. green algae d. sponges

Biology & Microbiology