Chemicals secreted by glands and transported through the circulatory system to organs and tissues are also known as

Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides

Why did europeans call the bubonic plague the black death? because that is what the chinese called it because of the black boils that developed on the skin of infected individuals because the plague brought much destruction to europe because the disease was spread by black rats

Aneutral ph of 7 and normal organism temperature is needed for a certain enzyme to be effective. what would happen to the enzyme if the ph and/or temperature fluctuate greatly from the norm? a.the enzyme’s hydrogen bonds will break. b.the activation energy will increase. c.more product will be formed. d.the ideal temperature and ph for the enzyme function will decrease.