Most prokaryotic cells possess a ____ for protection
What will be an ideal response?
cell wall
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The cowbird chick with its foster parent exemplifies an example of ____
a. commensalism b. brood parasitism c. competition d. mutualism e. parasitoidism
The brain stem includes the __________ and __________, which control reflexes involved in breathing and other
essential tasks. Fill in the blank(s) with the appropriate word(s).
When homologous chromosomes or chromatids fail to separate properly in meiosis, this is called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a fundamental characteristic of the Notch pathway?
A) It provides symmetry to plant flowers. B) It allows mRNAs to accumulate in the posterior portion of the Drosophila embryo. C) It works through nuclear signals involving the lac operon. D) It directs mRNAs to antisense systems in the posterior portion of all organisms. E) It works through direct cell-to-cell contact.