If a watershed includes a polluting factory, how will the factory affect the water source of a downstream town?

a.

it will have no impact on the downstream town's water quality.

b.

it will increase the downstream town's water quality.

c.

it will decrease the downstream town's water quality.

d.

it will eliminate the downstream town's water.

This organism is not capable of performing photosynthesis. (horseshoe crab) true false

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons