Briefly discuss five ways to decrease one’s risk of developing cancer.. What will be an ideal response?

The largest oil spill in the United States was:

a. near Santa Barbara. b. at Valdez, Alaska. c. at the Deepwater Horizon rig. d. on the Hudson river, New York. e. in San Francisco Bay.

What structure prevents water from moving between cells of the endodermis of the plant root?

a. Casparian strip b. Okazaki fragments c. sclerids d. collenchyma e. sclerenchyma

Do all of the nucleotides contain a different nitrogenous base?

a. yes b. no

Myoglobin is different from hemoglobin in that it

a. is a protein. b. is a pigment. c. stores oxygen. d. has an affinity for oxygen. e. is composed of multiple protein chains.