Which of the following proteins assists during binary fission?
a. actin
b. myosin
c. Z disks
d. FtsZ
d. FtsZ
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Light-dependent reactions generate
A. ATP and NADPH. B. NADP+. C. CO2. D. light. E. glucose.
A protein becomes distributed in a gradient along the length of the egg. As development continues, orientation of this gradient determines which part of the embryo will become the front of the animal, and which will be the back. This is an example of ____
a. germ layer formation b. gastrulation c. gradient development d. embryonic induction e. gene expression
What brain imaging technique detects changes in blood flow?
a. x-rays b. electroencephalograph (EEG) c. positron emission tomography (PET) d. functional magnetic resonance imaging (fMRI) e. microscopy
Placoid scales are characteristic of class
a. Cephalaspidomorphi. b. Chondrichthyes. c. Osteichthyes. d. Reptilia.