Author: Anonymous

Many parasitic members of the excavates lack plastids and have highly reduced mitochondria. Which of the following statements explains these observations?

The observation that both charophytes and green plants contain chlorophylls a and b is more consistent with which of the following claims?

Immature seed cones of conifers are usually green before pollination, and flowers of grasses are inconspicuously colored. What does this indicate about how they are pollinated?

In onions (Allium), cells of the sporophyte have 16 chromosomes within each nucleus. How many chromosomes should be in an endosperm nucleus?

Which of the following characteristics is most likely found in plaque on human teeth if plaque is a biofilm?

Mitochondria are thought to be the descendants of certain alpha proteobacteria. They are, however, no longer able to lead independent lives because most genes originally present in their genome have moved to the nuclear genome. Which phenomenon accounts for the movement of these genes?

Which statement about the domain Archaea is accurate?

N3-

Which of the following cell types have unevenly thickened primary walls that support young, growing parts of the plant?

At a certain bar, the probability of being a male dog is 40%. The probability the dog smokes, given that it’s male is 50%; the probability it smokes given that it’s female is 40%.  You walk in the bar and observe a dog smoking. What is the probability it is male?