Question

The process(es) of a. osmosis b. diffusion c. facilitated diffusion d. active transport e. two of the above 7. do NOT proceed to equilibriunm 8. The process of br a. Phagocytosis b. Pinocytosis c. Receptor mediated endocytosis d. None of the above ringing large particles into the cell using vesicles is called 9. Water is capable of forming hydrogen bonds because a. the hydrogen atoms carry partial positive charges. b. the oxygen atom carries a partial negative charge. c. it is highly polar. d. all of the above. 10. The molecular structure of ATP most resembles the monomers of a. carbohydrates b. lipids c. proteins d. nucleic acids 11. The characteristic of water that enables it to "stick" to itself is called a. cohesion b. lubrication c. adhesion d. reactivity 12. Varying the number of neutrons in an atom will a. Change the atomic number b. Create ions c. Change the atomic mass d. Two of these 13. Which of the following is a form of potential energy? a. an electric current b. heat c. chemical bonds d. electromagnetic field 14. Each atom of a given element always has the same number of a. protons b. neutrons c. isotopes d. electrons ne(L point each) 1. An acid would a. raise the pH by increasing H' concentration. b. lower the pH by increasing OH concentration. c. lower the pH by increasing H' concentration. d. raise the pH by decreasing OH concentration. 2. The monomer of lipids is the a fatty acid. b. amino acid c. nucleotide. d. nitrogenous base. e. monosaccharide. 3. How is carbohydrate use similar or different berween plants and animals? Select the true statement below. In animals, carbohydrates only have a structural role, while in plants, carbohydrates are used to store a. energy b. Carbohydrates catalyze reactions in both animals and plants. Carbohydrates play a structural role and an energy storage role in both plants and animals. d. In animals, carbohydrates only function in energy strorage, while in plants, carbohydrates have a structural role. Which of the following is true when comparing an uncatalyzed reaction to the same reaction with a catalyst? a. the catalyzed reaction will be slower. b. the catalyzed reaction will have a lower activation energy c. the catalyzed reaction will have higher activation energy d. the catalyzed reaction will consume all of the catalyst. 4. 5. The components of the cytoskeleton that provide the pathways or "railroad tracks for inter-cellular transport are the a. Microfilaments b. Microtubules c. Intermediate filaments d. Centrioles 6. lons are typically transported into a cell via a. Diffusion b. Carrier proteins c. Channels d. Osmosis

Answer 1

Ans 7. ol. active transbord 3 d. al o dhe above 10- d nucleic acid . a. cehesion) 12. C Change the atomic maus 13 a. an electric cuTrent 14. C. isotopes . a. raise the ph by increasing Ht concentratron 2. a. faty acidl 3. C. caubolydvate play a structural role and an ene stoee le in both plants and animals. the catalysed YeacHon a니와 have a low acivaHo en 5. b Microtubule 6. e. channels