Sponges are
a. herbivores.
b. filter feeders.
c. scavengers.
d. predators.
e. carnivores
B
Biology & Microbiology
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The amino acid targets of protein kinases in all GPCR pathways are ____
a. serine and glycine b. serine and tyrosine c. serine and threonine d. glycine and tyrosine e. glycine and threonine
Biology & Microbiology
A form of communication in honeybees.
Choose the letter of the best match: A. cognition B. waggle dance C. navigation D. filial imprinting E. fixed action pattern
Biology & Microbiology
The secondary structure of proteins may take the
form of a. twists. b. bends. c. loops. d. folds. e. all of these.
Biology & Microbiology
Air spaces lined with mucous membranes are called
a. foramen. b. sinuses. c. sulci. d. tubercles. e. meati.
Biology & Microbiology