Which of the following is true for phe-tRNAphe? a. charged tRNA molecule that has not picked up the amino acid phenylalanine
b. charged tRNA molecule carrying the amino acid phenylalanine
c. tRNA molecule that can only bind to phenylalanine but has not done so
d. uncharged tRNA molecule that has not picked up the amino acid phenylalanine
e. uncharged tRNA molecule carrying the amino acid phenylalanine

Select the correct answer from each drop-down menu proteins are

This is the process of making a prediction based on the results of prior observations of similar events.

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