What counterclaim is the author responding to by using information from peter singer, a professor of bioethics at princeton? a. the claim that veganism is "immoral" and "unpatriotic" b. the claim that animals don't really have rights c. the claim that vegans don't get enough protein d. the claim that the vegan diet is too expensive

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .

Explain why scientists use the word dominant for certain traits.

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