. The main difference between prokaryotic and eukaryotic cells is the existence
ID: 208141 • Letter: #
Question
. The main difference between prokaryotic and eukaryotic cells is the existence ofin eukaryotes. (2 pt) Cathe nucleus b. ribosomes C. DNA d. RNA e. cell walls 2. Prokaryotic cells(2 pt) a. do not have a well defined nucleus b. are smaller than eukaryotic cells c. do not have internal membranes d all of the 3. Ribosomes(2 pt) a. are the site of photosynthesis b. are the site of protein synthesis c. are never bound to membranes d. cannot be seen in the electron microscope According to t b. ones that release energy. 4. vored processes are(2 pt) ones that require ene c. oxidations. d. reductions. 5. The aerobic combustion of glucose to yield carbon dioxide and water(2 pt) a. is thermodynamically favorable b. requires oxygen c. has a negative Gibb's free energy d. all of the above 6. A spontaneous reaction is(2 pt) a. exergonic. b. endergonic. c. at equilibrium. d. none of the above.Explanation / Answer
4) B ones that release energy'
nature tends to favour processes which leads to reduction in amount fo energy and this is seen in exothermic reactions as the energy of products is less than that of reactants, the excess energy being released as heat.
5)d all of the following
6) a exergonic
In an exergonic reaction energy is released. Because the reactants lose energy, G decreases and the Gibbs free energy (G) is negative under constant temperature and pressure. These reactions in most cases do not require energy to proceed, and therefore occur spontaneously.
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