Question 3 -- / 1 What form(s) of chemical energy are generated during cyclic photo-phosphorylation? 1 NADPH and ATP 2 NADPH only 3 ATP only No chemical energy is generated during 4 cyclic photo-phosphorylation
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- QUESTION 10 Mitochondria and chloroplasts differ in that O 1. mitochondria contain DNA, but chloroplasts do not O 2. chloroplasts contain DNA, but mitochondria do not. O 3. mitochondria harvest chemical energy, whereas chloroplasts convert light energy into chemical energy. O 4. mitochondria are enclosed within one membrane, whereas chloroplasts are enclosed within two. O 5. mitochondria have extensive infoldings of membrane, whereas chloroplasts do not have extensive internal membranes.QUESTION 10 Mitochondria and chloroplasts differ in that O 1. mitochondria contain DNA, but chloroplasts do not O 2. chloroplasts contain DNA, but mitochondria do not. O 3. mitochondria harvest chemical energy, whereas chloroplasts convert light energy into chemical energy. O 4. mitochondria are enclosed within one membrane, whereas chloroplasts are enclosed within two. O 5. mitochondria have extensive infoldings of membrane, whereas chloroplasts do not have extensive internal membranes. QUESTION 11 Plasma membranes are relatively impermeable to water-soluble molecules because O 1. the membranes are waxy. O 2. water molecules are nonpolar. O 3. their bilayer is comprised of phospholipids. O 4. they have salt crystals embedded within them. O 5. large proteins extend through both sides of the membranes.Question 1 -- / 1 Where does molecular oxygen (02) get generated during photo-phosphorylation? 1 Photosystem I 2 Photosystem II Cytochrome bf complex 4 Ferredoxin 3.
- Question 15 Which one of the following statements is FALSE? Oa ADP is often one of the products ofa reaction catalyzed by a protein kinase O Protein phosphatases usually release a phosphoryl group as inorganic phosphate Oc Protein kinases usually add a phosphoryl group from ATP to a Val, Leu, or lle Od An enzyme could be activated or inactivated by a protein kinase AMoving toanother question will save this response.Question 8 The major structural component of the exoskeletons of invertebrates is composed of N-acetyl-B-D-galactosamine joined by B-1,4-glycosidic bonds True FalseQuestion 5 An a-helix has the sequence: NH3-Ser-Glu-Gly-Asp-Trp-Gln-Leu-His-Val-Phe-Ala-Lys-Val-Glu- COO-. The carbonyl oxygen (in the peptide bond) of the W5 residue is hydrogen bonded to the amide nitrogen of H8 E2 O V9 O S1
- Question 12 One of the targets of CDK is a phosphatase. What effect does the phosphorylation of this phosphatase have during the transition through the cell cycle? CDK is dephosphorylated as part of a positive CDK/cyclin feedback mechanism. O CDK is dephosphorylated as part of a as part of a negative CDK/cyclin feedback mechanism. O CDK is phosphorylated as part of a part of a negative CDK/cyclin feedback mechanism. O CDK is phosphorylated as part of a positive CDK/cyclin feedback mechanism.QUESTION 9 Which of the following is/are found in prokaryotic cells? O 1. Mitochondria O 2. Chloroplasts O 3. Nuclear membrane O 4. Ribosomes O 5. Endoplasmic reticulum QUESTION 10 Mitochondria and chloroplasts differ in that O 1. mitochondria contain DNA, but chloroplasts do not O 2. chloroplasts contain DNA, but mitochondria do not. O 3. mitochondria harvest chemical energy, whereas chloroplasts convert light energy into chemical energy. O 4. mitochondria are enclosed within one membrane, whereas chloroplasts are enclosed within two. O 5. mitochondria have extensive infoldings of membrane, whereas chloroplasts do not have extensive internal membranes.QUESTION 15 Which of the following molecules is NOT a component of desmosomes? A Intermediate filaments B Actin C Plakoglobin D Desmoplakin E Desmocolin
- Question 38 Plant cells carry out photosynthesis to produce all of their ATP whereas animal cells carry out cellular respiration to produce all of their ATP. O True O False MacBook Pro esc 吕口 DII F1 F2 F3 F 4 F5 F6 F7 F8 1 3 4 Q W Y А F J ck Z C V 00 T %24Question 6 When light hits the special light-reactive molecular units inside rod cells, how do these units respond? They break in half and float into the eye's vitreous humor One bond shifts positions from cis to trans orientation they form a dehydration synthesis reaction with neighboring units, forming cross bridges O they open Na+ channels which rush into the cell Question 7 Which of the following about eyes is NOT RIGHT? O Spiders have image forming eyes O Sea Stars have eye spots O some compound eyes in arthropods have tiny lenses O cephalopods evolved eyes from early vertebratesQuestion 1 - Photosynthesis lab Four common plant pigments are likely to be separated and visualized by the paper chromatography experiment. List the expected colors of each of these four pigments below.A) CaroteneB) Chlorophyll aC) Chlorophyll bD) Xanthophyll Explain the mechanism of how floating disks correspond to the rate of photosynthesis. List 2 controlled variables in the leaf disk assay List 2 manipulated variables in the leaf disk assay What is the purpose of adding baking soda to the leaf disk assay? What would you expect during the leaf disk assay if baking soda was not added at all?