Aunit of length in the metric system is the a-kilogram b-kilometer c- liter

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

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