Each of the following statements concerning the gram-positive cell wall is true except
a) it contains teichoic acids.
b) it is sensitive to penicillin.
c) it protects the cell in a hypertonic environment.
d) it is sensitive to lysozyme.
e) it maintains the shape of the cell.

Contrast how pollination is different among gymnosperms and angiosperms.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds?