The blastopore develops into the ________ in protostomes and the _______ in deuterostomes.
a. mouth, anus
b. mouth, urethra
c. anus, mouth
d. anus, nose
a. mouth, anus
The blastopore develops into the mouth in protostomes and the anus in deuterostomes.
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During which phase of the bacterial growth curve does a bacterial population become much more resistant to harmful conditions?
A. Lag phase B. Exponential phase C. Stationary phase D. Late log phase
A medium containing known substances in precise amounts is known as a ________ media.
A) selective B) complex C) natural D) defined
Beer, wine, and spirits are produced as the result of cellular metabolism by:
A) bacteria occurring in the absence of free electrons. B) yeast occurring in the absence of oxygen. C) yeast occurring in the absence of free electrons. D) bacteria occurring in the absence of oxygen. E) pyruvate occurring in the absence of oxygen.
The letter “A” in the above figure represents
a. transverse. b. radial. c. tangential. d. elliptical. e. obtuse.