64. Plants and animals exchange materials through the processes of photosynthesis and respiration. Which of these statements is true about the way these two processes are related? a. The products of photosynthesis inhibit respiration. b. The products of photosynthesis are also the products of cellular respiration. c. The reactants of photosynthesis are also the reactants of cellular respiration. d. The products of photosynthesis are the reactants of cellular respiration.

64. Plants and animals exchange materials through the processes of photosynthesis and respiration. Which of these statements is true about the way these two processes are related? a. The products of photosynthesis inhibit respiration. b. The products of photosynthesis are also the products of cellular respiration. c. The reactants of photosynthesis are also the reactants of cellular respiration. d. The products of photosynthesis are the reactants of cellular respiration.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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21 . What is the overall outcome of the light reactions in photosynthesis? 22 . Why are carnivores, such as lions, dependent on photosynthesis to survive? 23 . Why are energy carriers thought of as either “full” or “empty”? 24 . Describe how the grey wolf population would be impacted by a volcanic eruption that spewed a dense ash cloud that blocked sunlight in a section of Yellowstone National Park. 25 . How does the closing of the stomata limit photosynthesis? 26 . Describe the pathway of electron transfer from photosystem II to photosystem I in light-dependent reactions. 27 . What are the roles of ATP and NADPH in photosynthesis? 29 . Why is the third stage of the Calvin cycle called the regeneration stage? 32 . Imagine a sealed terrarium containing a plant and a beetle. How does each organism provide resources for the other? Could each organism survive if it was the only living thing in the terrarium? Why or why not?
27. The role of the antenna complex in a photosystem is to A. transfer excited electrons to the primary electron acceptor. B. generate glucose. C. generate NADPH. D. capture photons from sunlight. 28. The light-independent reactions of photosynthesis are those that A. convert glucose into energy. B. convert chlorophylls into light energy. C. convert CO, into reduced molecules (sugars). D. convert water into hydrogen and oxygen. 29. One cell sends second messengers to another cell through gap junctions. What type of signaling would this be considered? A. Paracrine B. Direct contact C. Endocrine D. Autocrine 30. What property defines most ligands for intracellular receptors? A. They are lipid-soluble B. They are hydrophilic C. They are molecules that can perform significant hydrogen bonding interactions with water D. They are large molecules 31. What type of receptor is not an enzyme, but is directly associated with an enzyme that can hydrolyze GTP? A. Channel-linked receptor B.…
If a plant is removed from its natural environment and exposed to 100 percent CO2 composed of the radioisotope 14C, which of the following will not occur? Select one: a. The rate of photorespiration will remain unchanged. b. The sugars synthesized by the plant will be radioactive. c. The oxygen released will also be radioactive. d. All the carbon molecules in the RuBP molecules will eventually become 14C. e. Rubisco will eventually contain 14C.
Determine the order of the steps in photosynthesis and how they are interconnected. a. Light-Dependent Reactionsb. Calvin Cycle (Light-Independent Reactions)
13) When electrons flow through the electron transport system from NADH to oxygen, what is the sequence of molecules through which they move?
Explain briefly why the following ideas are false. a. Photosynthesis is the food-making process done by plants. b The Calvin cycle was called the dark reactions because it can only take place in the absence of light. c. Photosynthesis can only be powered by sunlight.
Which of the following is not a pigment that aids in photosynthesis? a.) electrons b.) chlorophyll a c.) caotenoids
As energy passes from blue-absorbing chlorophylls down to red-absorbing chlorophylls, surprisingly, no energy passes from lower energy-absorbing pigments back to higher ones (in other words, the process is irreversible). Why might that be?
Which of the following is true of light-independent reactions of photosynthesis? Select all that apply. a. Light-independent reactions occur in the stroma. b. Water molecules are split during light-independent reactions. c. Chlorophyll absorbs energy from sunlight. d. Carbon dioxide is necessary for light-independent reactions.
Which of the following are products of the dark (light independent, Calvin cycle) reactions of photosynthesis. A. Glucose B. Water C. ATP D. NADP E. Light energy F. NADPH G. Carbon dioxide H. Oxygen
What is the difference between the cyclic and noncyclic pathways of photosynthesis? a The cyclic pathway uses electron transport. b The cyclic pathway is light-dependent. c The noncyclic pathway produces NAPDH. d The noncyclic pathway produces ATP.
During oxygenic photosynthesis in plants, the hydrogen atoms that end up in product carbohydratemolecules are coming from which of the following substrate molecules?A. water molecules (H2O)B. sucrose sugars (C12H22O11)C. carbon monoxide (CO)D. glucose sugars (C6H12O6)E. carbon dioxide (CO2)