Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 5, Problem 26CT
A scientist moves a green plant grown in sunlight to a room with 24 hours of artificial green light. Will this increase or decrease the plant’s rate of photosynthesis? Why?
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Students are preforming an experiment to study the role of light in photosynthesis. They place an Elodea plant into a large test tube with water and assemble a volumeter using a cork and calibrated glass tubing. Then, the apparatus is placed near a lamp. Soon after, the water level in the tubing begins to move upward. Why does the edge of the water move upward?
What do organisms need along with chloroplasts to perform photosynthesis?
(Choose all that apply.)
Sunlight
Carbon dioxide
OGlucose
Water
You are cleaning your room and accidentally move your plant into the closet and
forget about it for one week.
a) Which molecules are not produced in the plant if light is not present? What effect
do these molecules have on photosynthesis?
b) Explain the effect of leaving the plant in darkness for one week on cellular
respiration.
Chapter 5 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 5 - How can oxidation take place in an anaerobic...Ch. 5 - Prob. 2TMWCh. 5 - Prob. 3TMWCh. 5 - Prob. 4TMWCh. 5 - Prob. 5TMWCh. 5 - Prob. 6TMWCh. 5 - Prob. 1MCCh. 5 - Prob. 2MCCh. 5 - Prob. 3MCCh. 5 - Prob. 4MC
Ch. 5 - Prob. 5MCCh. 5 - Prob. 6MCCh. 5 - Prob. 7MCCh. 5 - Prob. 8MCCh. 5 - Prob. 9MCCh. 5 - Prob. 10MCCh. 5 - Prob. 11MCCh. 5 - Prob. 12MCCh. 5 - Prob. 13MCCh. 5 - Prob. 14MCCh. 5 - Prob. 15MCCh. 5 - Prob. 16MCCh. 5 - Prob. 17MCCh. 5 - Prob. 19MCCh. 5 - Prob. 20MCCh. 5 - Prob. 1MCh. 5 - Prob. 1FIBCh. 5 - Prob. 2FIBCh. 5 - Prob. 3FIBCh. 5 - Prob. 4FIBCh. 5 - Prob. 5FIBCh. 5 - Prob. 6FIBCh. 5 - Prob. 7FIBCh. 5 - Prob. 8FIBCh. 5 - Prob. 9FIBCh. 5 - Prob. 10FIBCh. 5 - Examine the biosynthetic pathway for the...Ch. 5 - Prob. 1SACh. 5 - Prob. 2SACh. 5 - Prob. 3SACh. 5 - Prob. 4SACh. 5 - Prob. 5SACh. 5 - Prob. 6SACh. 5 - Prob. 7SACh. 5 - Prob. 8SACh. 5 - Prob. 9SACh. 5 - Prob. 10SACh. 5 - Prob. 11SACh. 5 - Prob. 12SACh. 5 - Prob. 13SACh. 5 - Prob. 14SACh. 5 - A laboratory scientist notices that a cer1ain...Ch. 5 - Arsenic is a poison that exists in two states in...Ch. 5 - Explain why an excess of all three of the amino...Ch. 5 - Describe how bacterial fermentation causes milk to...Ch. 5 - Giardia intestinalis and Entamoeba histolytica are...Ch. 5 - Prob. 6CTCh. 5 - Prob. 7CTCh. 5 - Prob. 8CTCh. 5 - Cyanide is a potent poison because it irreversibly...Ch. 5 - How are photophosphorylation and oxidative...Ch. 5 - Prob. 11CTCh. 5 - Compare and contrast aerobic respiration,...Ch. 5 - Scientists estimate that up to one-third of Earths...Ch. 5 - Prob. 14CTCh. 5 - Prob. 15CTCh. 5 - Some desert rodents rarely have water to drink....Ch. 5 - Prob. 17CTCh. 5 - Prob. 18CTCh. 5 - Explain why hyperthermophiles do not cause disease...Ch. 5 - In addition to extremes in temperature and pH,...Ch. 5 - Prob. 21CTCh. 5 - Prob. 22CTCh. 5 - Prob. 23CTCh. 5 - Prob. 24CTCh. 5 - Prob. 25CTCh. 5 - A scientist moves a green plant grown in sunlight...Ch. 5 - What class of enzyme is involved in amination...
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- What is the overall purpose of the light reactions in photosynthesis?arrow_forwardChloroplasts contain chlorophyll and carotenoids. Chlorophyll directly absorbs light for use in photosynthesis. Carotenoids absorb light and transfer the energy from light to chlorophyll. The efficiency of photosynthesis varies with the wavelengths of the light that illuminates the chloroplasts. In an experiment to study the relationship between the incoming light wavelengths and the chemical reactions of photosynthesis using a species of green algae, a researcher labeled the CO2 supply to the algae with 14C, and the H2O with 18O. Which of the following results is expected? More 14C is found in the algae when it is illuminated by green light than when it is illuminated by blue-violet and red light. More 18O is found in the algae when it is illuminated by green light than when it is illuminated by blue-violet and red light. More 14C is found in the algae when it is illuminated by blue-violet and red light than when it is illuminated by green light. More 18O is found in the algae when…arrow_forwardIf chlorophyll is extracted from plant cells and exposed to light, it absorbs light energy momentarily and this energy is almost immediately reradiated as light. Thus chlorophyll molecules can not cause photosynthesis by themselves. Why? What is required for photosynthesis to occur?arrow_forward
- What is the overall outcome of the light reactions in photosynthesis? NADPH and ATP molecules are produced during the light reactions and are used to power the light independent reactions. NADPH and ATP molecules are produced during the light reactions, which are used to power the light dependent reactions. Sugar and ATP are produced during the light reactions, which are used to power the light independent reactions. Carbon dioxide and NADPH are produced during the light reactions, which are used to power the light dependent reactions.arrow_forwardCells are open systems that exchange matter and energy with their surroundings. Which of the following best explains why plant cells require sunlight to make organic compounds, according to Gibbs’s theory of free energy? The photosynthetic reaction releases free energy to the surroundings. The photosynthetic reaction’s free energy is in equilibrium. The reactants of photosynthesis have less free energy than the products. The change in free energy (∆G) of the photosynthetic system is less than zero.arrow_forwardA botanist has been examining three plants, measuring the amount of acid in their cells and examining sections of their leaves under the microscope. Numbers in the table are in relative units. Plant Acid, day Acid, night Has wreath anatomy? FADH2 Ethanol A 20 250 No 0 50 B 10 10 No 100 1 C 200 10 Yes 100 1 Part A: Identify the kind of photosynthesis being done by each plant. Explain how enzymes contribute to this data. Part B: Decipher the origin of each plant if one is from the Mojave Desert, one is from a sand dune in Florida, and one is from Minnesota, and explain how you deciphered this.arrow_forward
- Suppose we set up a system in a lab where plants are automatically injected with all the glucose they need to survive. What part of photosynthesis would the plants no longer need to perform? Group of answer choices a)ETC 1 b)the entire dark reaction c)the entire light reaction d)P700 e)all of itarrow_forwardThe process of photosynthesis involves conversion of what?arrow_forwardWhat is/are the product(s) of the light capturing reactions of photosynthesis? a) ATP and NAD(P)H O b) ATP only c) ATP and FADH2 d) Glucose and ATParrow_forward
- Which of the following best describes the products of the photochemical reactions of photosynthesis?A) NADH and ATP are made in the stromaB) NADPH and ATP are made in the stromaC) NADH and ATP are made in the thylakoid lumenD) NADPH is made in the stroma and ATP is made in the thylakoid lumenE) NADPH and ATP are made in the thylakoid lumenarrow_forwardThe most important result of the light-independent (or Calvin Cycle) reactions is: ??? the addition of phosphate to sugar to form sugar-phosphate the synthesis of sugar from CO2 the change of chlorophyll from green to colorless the transfer of electrons to glucose molecules the rearrangement of sugar molecules to form O2 from H2Oarrow_forwardIdentify the correct compound to create a chemical equation that represents Photosynthesis. + Drag and drop the right reactants and products of the Light Dependent and Light Independent (aka Dark) Reactions. Chloroplast NADPH NADP+ ADP Water - H20 Calvin Cycle Glucose - C6H1206 ATP Light Reaction Thylakoids Stroma O2 Carbon Dioxide CO2 Identify the reactants and products that are used and given off by plants and animals.arrow_forward
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