What level of taxonomy is Paramecium Pointed, cigar-shaped cells with macronuclei and micronuclei?
What will be an ideal response?
Genus
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Refer to the study by Poulsen et al. and the figure above. The data graphed in the figure could be an artifact if latrunculin A kills this species of diatoms (that is, that may be why the cells are not moving)
Which of the following would be the best evidence that latrunculin A is NOT killing the cells? A) When the toxin was washed off the culture, the cells began to move again. B) There were still a small percentage of motile cells in the culture treated with the toxin. C) Most of the cells in the control were moving, indicating that they were alive. D) When the toxin was applied to another species of diatom, 25% of them continued to move.
Inversions are contained within what percent of the human population?
A. Less than 1% B. Approximately 2% C. Approximately 5% D. Greater than 10%
What two types of melanin are made by
melanosomes?
a. brownish- black and yellowish b. brownish-black and reddish c. brownish-black and white-ish d. yellowish and reddish e. reddish and white-ish
Which of the following is NOT true of seedless vascular plants?
a. Sporophytes are independent of gametophytes. b. Water is not needed for gamete transport. c. Sporophytes have vascular tissue. d. Seeds are not produced. e. Living members still exist