The process(es) of a. osmosis b. diffusion c. facilitated diffusion d. active transport e. two of the above 7. do...
15. Diffusion of water through a differentially permeable membrane is called A. active transport. B. energy. C. osmosis. D. All of these answers are true. 16. What happens when an animal cell is placed into a hypertonic solution? A. plasmolysis B. crenation occurs C. it swells D. it is unchanged 17. The point on the enzyme where the enzyme causes the substrate to change is called the A. attachment site. B. active site. C. binding site. D. enzyme-substrate complex 18....
7. Which of the following is involved in the synthesis and packaging of certain molecules produced for secretion by a cell? A. cell granule B. Golgi apparatus C. flagella D. nucleolus 8. Which of the following organelles contains a green-colored pigment? Alysosome B. mitochondria C. chloroplast D. leucoplastosome 9. Eukaryotic cells are found in the group known as the A. fungi. B. plants. C. animals D. All of these answers are true. 10. An outside source of energy (ATP) is...
1) Respiratory gases cross the respiratory membrane by____ A) simple diffusion B) active transport C) osmosis D) facilitated diffusion 2) Which environment separated by the respiratory membrane would display the highest oxygen partial pressure? A) alveolar air B) pulmonary capillary blood
20) - 24) Diffusion is a process by which a substance A) goes down its concentration gradient. B) goes from lesser to greater concentration C) goes up its concentration gradient D) is at equilibrium 25 25) What product(s) do plants produce during photosynthesis that is/are used by humans and other animals? A) glucose B) carbon dioxide C) oxygen D) glucose and oxygen 26) The term that describes the diffusion of water is A) simple diffusion. B) equilibrium C) facilitated diffusion...
1. (1 pt) Starch, glycogen, and cellulose are all types of: a. Cholesterol b. Carbohydrates c. Lipids d. Nucleic Acids e. Protein 2. (1 pt) What are some differences between animal and vegetable fat? 3. (1 pt) What is an essential amino acid? What types of foods contain it? 4. (2 pt) Pick two organelles from the list below and describe their functions. Golgi Nucleus Rough Endoplasmic Reticulum Lysosome Mitochondria Smooth Endoplasmic Reticulum 5. (1 pt) What is the function...
12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids. D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism. E) transamination 14) Which of the following does not require energy from ATP hydrolysis? A) digestion B) synthesis of an...
Facilitated diffusion: A) transports solute up its concentration gradient. B) transports solute down its concentration gradient. C) does not require a transport protein. D) requires ATP hydrolysis for transport to occur.
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
identify your answer. (2 pts ea) 12) Which statement is NOT true? A) There are many different types of lipids. B) Lipids are found in cell membranes. C) Some hormones are lipids D) Lipids are soluble in organic solvents. E) All lipids contain fatty acids. 13) The process of building up new molecules in the coll is called A) glycolysis. B) catabolism. C) anabolism. D) metabolism E) transamination. 14) Which of the following does not require energy from ATP hydrolysis?...
7. Hemoglobin, which carries oxygen to the cell, is an example b. storage of what type of protein? d. transport c. hormone a. structural 8. An essential amino acid is an amino acid that a. must be provided in the diet. c. does not exist as a zwitterions. b. is missing from the diet d. is synthesized in the body. 9. This amino acid would be: a nonpolar and hydrophobic e. monpolar and hydrophilic b.polar and hydrophobie d. polar and...