3. Which of the following describes the subatomic particles of a carbon atom? 1.) 12 protons, six neutrons, six electrons
2.) six protons, four neutrons, six electrons
3.) six protons, six neutrons, four electrons
4.)six protons, six neutrons, six electrons

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia

Which of th following is needed for cellular respiration to occur

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