29. If the cell I look at under the mikroscope has ribosomes, DNA, cytosol(cytop

Question

29. If the cell I look at under the mikroscope has ribosomes, DNA, cytosol(cytoplasm), and a nucleus what type of cel is a. Eukaryotic b. Prokaryotic 30. Which is TRUE about these organelles and their cellular function? a. b. c. d. Plasma membrane surrounds the nucleus Ribosomes are responsible for protein synthesis Mitochondria is where proteins are modified All of the above are true about these organelles and their cellular function 31. Mark True or False. Cellular Respiration occurs in the mitochondria a. True b. False 32. Mark True or False. A protein is further modified in the ribosomes. a. True b. False 33. Which is TRUE about plasma membrane? a. b. c. d. It is made up of a phospholipid single layer It has proteins embedded in it The phospholipids are comprised of a hydrophobic head and hydrophilic tail All of the above are true about the plasma membrane 34. The FLUID portion of the fluid mosaic model of the plasma membrane refers to a. b. c. d. The proteins embedded in the membrane The ability of phospholipids to move past one another The hydrophobic portion of the phospholipids The hydrophilic portion of the phospholipids 35. Mark True or False. Energy can be created but not destroyed. a. True b. False 36. A rock that is going to fall down a hill has the greatest POTENTIAL energy a. At the top of the hill b. The middle of the hill Right before it hits the ground When it hits the ground c. d. 37. When is entropy increased in an energy cycle? Potential energy a. b. Kinetic energy Cellular Energy Potential energy converting into kinetic energy c. d. 38. Chemical energy stored in chemical bonds is also known as a. Potential energy b. Kinetic energy All of the above d. None of the above 39. What molecule drives cellular work? c. a. ATP b. ADP c. Heat d. Neither of the above

Explanation / Answer

(31)Answer-: A) True

* Mitochondria are energy converting organelles,Which are present in virtually all eukaryotic cells, They are the sites of aerobic respiration. And produce cellular energy in the form of ATP, hence they are called Power houses of the cell.

Mitochondria are membrane bound mobile as well as plastic organelles,

Each mitochondria is a double membrane bound structure with outer and inner membranes.The Space b/w outer and inner is called intermembrane space,The Outer membrane is fairly smooth. But the inner membrane is highly convoluted. and forming folds called cristae,Cristae greatly increase the inner membrane surface area. The two faces of this membrane are referred to as the matrix side and the cytosolic side.Mitochondria double stranded is mostly Circular,

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