Vertebrates that practice internal fertilization employ three strategies for embryonic and fetal development. In one strategy, the female retains the eggs within her body and the young are fully developed when they hatch inside of her. What is this called?
A. protogyny
B. oviparity
C. viviparity
D. protandry
E. ovoviviparity
Answer: E
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Caulobacter is a genus of bacteria with a unique cell division cycle that yields two morphologically distinct cell types.
Answer the following statement true (T) or false (F)
Figure 40.7
The region where filtration occurs is indicated by the letter(s) ____.
A. A B. B C. C D. D E. A and D
An example of a bariatric surgical procedure used today for treating severely obese individuals is ____________.
Fill in the blank(s) with the appropriate word(s).
The RNA sequences of some introns found in bacteria, mitochondria, chloroplasts, and some nuclear genes fold into 3-D structures that catalyze the removal of the introns. Therefore, the intron functions as a
A. spliceosome. B. scaffold. C. ribozyme. D. guide. E. enzyme.