Sophia Human Biology Milestone 1.

18 questions were answered correctly. 5 questions were answered incorrectly. 1 Which of the following statements about glycolysis is true? ● It is the last stage of cellular respiration. ● It utilizes a molecule of glucose to produce three ATP. ● It is an anaerobic process. ● Phosphorylation halts the process when ATP levels get too low. CONCEPT Glycolysis 2 How many turns of the Krebs cycle are required to break down one molecule of glucose? ● Four ● Three ● One ● Two CONCEPT Krebs Cycle 3 Which organelle is mainly responsible for synthesizing proteins? ● Ribosomes ● Golgi body ● Smooth ER ● Nuclear envelope CONCEPT Endoplasmic Reticulum 4 Which of the following describes an organic compound? ● A compound that cannot be broken down by the cell ● A compound made up of carbohydrates ● A compound that contains the element carbon ● A compound found only in eukaryotic cells CONCEPT Carbohydrates 5 Which of the following statements is true? ● Diffusion is the movement of molecules across a plasma membrane, regardless of concentration gradient. ● Diffusion is the movement of molecules from an area of low concentration to an area of high concentration. ● Diffusion requires ATP to function. ● Diffusion is the movement of molecules from an area of high concentration to an area of low concentration. CONCEPT Diffusion 6 Which of