What makes Caenorhabditis elegans an ideal model for developmental biology?
a. It has only roughly 1,000 cells and the developmental fate is known for each of them.
b. It is one of the closest living relatives to modern vertebrates.
c. It has nearly identical embryological development patterns to humans.
d. It lives a long time and is easy to raise and care for in a laboratory setting.
a. It has only roughly 1,000 cells and the developmental fate is known for each of them.
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Many newly forming polypeptide chains function in the
a. nucleus. b. mitochondria. c. Golgi apparatus. d. lysosomes. e. cytoplasm.
__________ prevent fish sperm from fertilizing frog eggs
a. Energetic barriers b. Biological barriers c. Postzygotic barriers d. Ecological barriers e. Prezygotic barriers
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