test2koofer - BIOL 1005 GENERAL BIOLOGY TEST 2 FALL 2005 '...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: BIOL 1005 GENERAL BIOLOGY TEST 2 FALL 2005 ' 12:20-1:10 MWF CRNQOGSQ NAME; answer sheet. 2. Choc>3e the best answer to eachquestion and fill the in the correct choice on the cpscan answer sheet. 3. You should also circle your choice on your test paperto have a record of your answers. ' 4. Turn in your test and your opscan. 5. Test papers may be picked up outside my office starting Friday foliowing the test. 6. Answers and test results will be posted on—line by Friday 9/23/05 FORM A FORM A FORM A FORM A 1. The is responsible for H shape, organelle movement, and cell movement. 1. flagellum @cytoskeleton - 2. cilia 4. cell wall 2. The outermost boundary of a plant cell is the 1. plasma membrane. cytoplasm. ell wall. 3. A series of membrane-enclosed channels where lipid synthesis takes place is the 1%.” lysosome. mitochondria. 2. Golgi complex. @mooth endoplasmic reticulum. /3./ rough endoplasmic reticulum. Which type of microscope would be best for viewing a living Paramecium? . light microscope 2.‘ scanning electron microscope 3. transmission electron microscope 5. Which is NOT part of the Modern Cell Theory? ' All cells arise from pre-existing cells __ All organisms are composed of one or more cells. All cells have a cell membrane. /( Cells are the functional units of life. 6. As a sphere gets lar the surface area increases the volume. 1. more than less than 3. the same as 7. The major function of the Golgi complex is to "“ digest material brought in by phagocytosis. 2 modify. sort, package, and label molecules such as proteins. 3. digest "worn out" cellular organelles 4. produce ATP. 8. A special plant organelle that .- tains DNA and chlorophyll is the 1. nucleus. loroplast. 2. mitochondria. 4. plastic. 9. When a plant cell is placed in a hypotonic solution, which structure will swell with water? 1. lysosorhe 3. chloroplast (ficentral vacuole 4. plastid M allow communication between neighboring in your liver. Iasmodesmata 2. Desmosomes. ap junctions ‘l‘l. Cytoplasmic connections between adjacent plant so a called ‘l. the middle lame-Ila. 2. gapjunctlons- plasmodesmata. ‘l. chromatin .' 'mpermeable membrane '12. Which of the following is NO characteristic of the nucleus? ,2.’ nuclear envelope . nuclear pores ' 13. Proteins that are destined to be secreted from the cell will travel from the rough endoplasmic reticulum enclosed in 1. lysosomes 4. mitochondria 2. Golgi complex ' 5. smooth endoplasmic reticulum @esicles 14. Unlike eukaryotic cells, prokaryotic cells 1. have RNA. but not DNA. do not have a nucleus. 3. do not have a plasma membrane. 4. do not have ribosomes. 15. Stem cells have the special capacity to /‘lf synthesize proteins. divide frequently and produce more specialized cells. . grow larger than typical cells. 4. replicate their DNA. 16. Which structure found in all cells is the location of protein synthesis? 1. cell membrane ribosome 2. cytoplasm . DNA 17. A special plant organelle that may store starch or pigments is a 1. nucleus. ‘ chloroplast. 2. mitochondria. a plastid. 18. Which of the following might be a type of cellular work? 1. Synthesis of proteins. . Ceil division. 2. Transport by exocytosis. ll of the above are wood 19. Substances produced at the end of a chemical reaction are termed 1. monomers. catalysts. 2. reactants. . aft- roducts. 20. The energy released during the chemical breakdown of sugar is used to contract muscles in the leg. This is an example of: 6% coupled reaction 3. activation energy 2. the active site 4. a biological catalyst 21. When the potential energy in the sugar is converted to the kinetic energy of muscle " there is more total energy at the beginning of the reaction than at the end. -' fit he amount of potential energy in the sugar is equal to the amount of kinetic energy USed b I a muscle plus any heat that is released. 22. Which of the following statements foliows from the Second Law of Thermodynamics? Energy is always decreasing. @ Energy changes result in some energy being less useful for doing work. . All potential energy exists as chemical energy. 4. Energy can be converted from one form to the other. 23. When the products of a reaction have less energy than the reactants the reaction is 1. exergonic. 3. impossible. @endergonic. 4. all ofthese. 24. The energy required to initia chemical reaction is called 1- radiant energy ~ 3. tivation energy 2. reactant energy . transition energy Refer to the following diagram to answer questions 25-28. [glimse breakdown) [ATP breakdown] 2°: 5% (protein synthesis) it. we ‘downhlll' reaction Wt?" '33 300:3 Mm! Frantic;- HniL inc. Gopy'riflll G 21305 Pinon Plantch HI", Inc. 25-. Which reactions are endergonic? . ' glucose breakdown and protein synthesis TF' synthesis and protein synthesis . glucose breakdown and ATP breakdown / all of the reactions are endergonic 26. Which reaction is catabolic’? ‘1. protein synthesis 2. ATP synthesis @ucose breakdown 1 Which molecules are roducts? rotein amino acids glucose glucose and protein 28. Where does the energy for ATP synthesis come from? ® Glucose breakdown. 2. ATP breakdown. 3. Protein synthesis. ‘ 29'. Which of the following is NOT true of enzyme structure? fit Enzymes have a specific three dimensional structure. . 2. The enzyme structure is determined by the sequence of amino acids in the polypeptide chain. All enzymes have an active site where substrates are temporarily bound. ...-/ Enzymes typically continue to function even when denatured. 1 30. The function(s) of enzymes in chemical reactions is(are): —*1. To lower the activation energy needed for a reaction to occur. 2. To convert enzymes into products. To change eodergonic reactions into exergonic reactions. All of these are true. 31. Inhibition of a pathway when adequate amounts of end product are available is called 1. enzyme activation. 3. enzyme inhibition. 2. a secondary pathway. @feedback inhibition. 32. Cells can use enzymes to regulate metabolism by - 1. Regulating enzyme synthesis. 2. Regulating enzyme activation. . Various types of enzyme inhibition. V . All of these are ture. 33. Where would a cell biotogist find the photosystems in a plant cell? 1. In the cell wall. 3. In the stroma of the chloroplast. 2. In the mitochondrial membranes @n the thylakoid membranes. 34. The-oxygen produced during photosynthesis comes from the breakdown of CO; he breakdown of H20. both 1 and 2. . photorespiration. Which of the following is NOT true? hlorophyll does not absorb green light. « . Carotenoids appear yellow, orange, and red to our eyes. 3. UV radiation is used to initiate photosynthesis. .. Each pigment has a characteristic absorption spectrum. 36. In a functioning chloroplast, when excited electrons leave the reaction center ofa photosystem (5 they are stored in the stroma. they are picked up and passed down an electron transport chain. 3. they are used to split water. 4. they return to the same reaction center. 37. During which part of photosynthesis is sunlight energy converted to chemical energy? . light dependent reactions 6 light independent reactions 5&1 During which part of photosynthesis are sugars produced? 1 ight dependent reactions ' 2. light independent reactions The products of the light e end ent reactions that are used in the Calvin Benson cycle are: ATP. NADPH. and (:02 L05“ . GSP. ATP, and NADPH H20, GSP. and ATP ATP and NADPH 40. The splitting of water results in ——1. replacement electrons. . ATP production. ——-2. oxygen byproducts oth 1 and 2. 1. sunlight. carbc‘m dioxide. 41. The carbon source for photosyntheti§lants is 2. water. . Water. in 03 plants, carbon is fixed to which of the following molecules? RUBP - 3. Rubisco 2. GSP 4. PEP carboxylase _. What can G3P be used for? aking glucose or other organic compounds 2. capturing light energy 3. catalyzing carbon fixation 44. The light independent reactions of photosynthesis occur 1. in the stroma of the chloroplast. - n the thylakoids of the chloroplast. I 1.1:. the plasma membrane. n the cytoplasm. 45. How many atoms of carborétj’uhst be fixed to synthesize a molecule of glucose? 1. 2 2. 4 4. 3 46. What happens in the last step of the Calvin-Benson cycle? G3P is made. 3. ATP is synthesized. ubisco is made. 4. RUBP is made. 4?. Which of the following is most efficient in catalyzing carbon fixation when CD; concentrations in the leaf tissue are low? ' ._ 1. RUBP 2. G3P 3. Rubisco carboxylase 48. Carbon dioxide enters the t via 1. the roots. he stomata. 2. the stroma. 4. the chlorOplast. . plants predominate in cool, moist, and cloudy habitats. C3 2. C4 50. The products of photosynthesis are used as for cell respiration- products 3. enzymes reactants 4. all of these Please mark the Farm on your opscan. This is Form A. ...
View Full Document

Page1 / 6

test2koofer - BIOL 1005 GENERAL BIOLOGY TEST 2 FALL 2005 '...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online