Which two sources are point sources of water pollution?
a. agriculture
b. rural homes
c. city streets
d. suburban development
e. coal-burning power plant
f. factory
g. animal feedlot

where is the scientific experiment?

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set