Which of the following is not an organelle?
A. lysosome
B. chloroplast
C. mitochondria
D. ribosome
E. nucleus
Answer: D
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Reactions that use the equivalent of a water molecule to break a molecule into smaller subunits are
called ____ reactions.
a. equilibrium b. hydration c. hydrolysis d. redox e. dehydration synthesis
The traditional class Reptilia is ____ because it does not include all descendants of the most recent common ancestor
of reptiles. a. monophyletic b. paraphyletic c. polyphyletic d. sister taxa e. cladistic
An example of lysogeny in animals could be
a. slow viral infections. b. latent viral infections. c. T-even bacteriophages. d. infections resulting in cell death. e. none of the above
The outer-to-inner sequence of tissue layers in a post-gastrulation vertebrate embryo is _____
A) endoderm ? ectoderm ? mesoderm B) mesoderm ? endoderm ? ectoderm C) ectoderm ? mesoderm ? endoderm D) ectoderm ? endoderm ? mesoderm