BIOL 101 Quiz Molecules and Cells Liberty Lynchburg

BIOL 101 Quiz Molecules and Cells Liberty Lynchburg Question 1 3.2 / 3.2 pts What stimulates the release of the enzyme amylase into the pancreatic duct so that it can break down starches? acetylcholine molecules from a nearby neuron the breakdown of glucose in the chloroplast the division of the cell the presence of protein in the stomach a decrease in the volume of the large intestine Question 2 3.2 / 3.2 pts A large polymeric molecule that is nonpolar over most of its structure but very polar at one end: DNA glucose phospholipid amino acid a water molecule Question 3 3.2 / 3.2 pts __________, the cell’s DNA plus its scaffolding contains the cell’s archive of ______. ATP, energy Hemoglobin, oxygen Chromatin, information Nucleoplasm, ribosomes Endoplasmic reticulum, proteins Question 4 3.2 / 3.2 pts The binding of acetylcholine to an acinar cell surface receptor protein causes an immediate change in the DNA being copied in the nucleus. rupturing of the acinar cell membrane. reverse in flow of vesicles between the endoplasmic reticulum and the Golgi complex. inflow of starch molecules into the acinar cells. change in the calcium ion concentration within the acinar cell cytoplasm. Question 5 3.2 / 3.2 pts Which base is used in RNA but not DNA? adenine uracil thymine cytosine guanine Question 6 3.2 / 3.2 pts It is impossible to write a brief dictionary definition of life because a good description of life is too complex to get into a small definition. we can’t tell the difference between living and nonliving things. people who write dictionaries don’t know much about science. what life is keeps changing with time. what’s alive in one place might be dead somewhere else. Question 7 3.2 / 3.2 pts A carbohydrate contains ________ atoms. nitrogen sulfur and hydrogen carbon, hydrogen and oxygen carbon, nitrogen, oxygen and hydrogen carbon, oxygen and nitrogen . . . . . . . .