In the vertebrate eye, what structure is light focused onto?
A. pupil
B. lens
C. retina
D. sclera
E. iris
C. retina
Biology & Microbiology
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Most antigens are monovalent.
Answer the following statement true (T) or false (F)
Biology & Microbiology
All plants have two multicellular phases, one diploid and one haploid, a phenomenon called ____
a. alternation of generations b. double fertilization c. polyploidy d. mitosis e. dysploidy
Biology & Microbiology
Fishes that are very active swimmers have a ____ body
a. fusiform b. laterally compressed c. globular d. flattened e. dorso-ventrally compressed
Biology & Microbiology
Which of the following would increase the electrochemical gradient across a membrane?
A) a sucrose-proton cotransporter B) a proton pump C) a potassium channel D) both a proton pump and a potassium channel
Biology & Microbiology