BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 6, Problem 4SA
Most of the carbon that land plants use for photosynthesis comes from ________.
| a. sugars | c. water |
| b. the atmosphere | d. soil |
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You are growing algae in culture and expose them to CO2 that contains radiolabeled oxygen. Where does the radiolabeled oxygen end up after photosynthesis?
a. water
b. oxygen
c. carbon dioxide
d. carbohydrates
e. carbon monoxide
The main source(s) of hydrogen and oxygen for plants is (are)____ . a. soil and air c. water and fertilizer b. water and soil d. water and air
Plants are a source of ________. a. food b. fuel c. medicine d. all of the above
Chapter 6 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 6 - A cat eats a bird, which ate a caterpillar that...Ch. 6 - Plants use ________ as an energy source to drive...Ch. 6 - In plants, photosynthetic eukaryotes, and...Ch. 6 - Most of the carbon that land plants use for...Ch. 6 - Which of the following statements is incorrect? a....Ch. 6 - When a photosystem absorbs light energy, ________...Ch. 6 - In the light-dependent reactions, _______. a....Ch. 6 - Prob. 8SACh. 6 - Prob. 9SACh. 6 - Prob. 10SA
Ch. 6 - The Calvin-Benson cycle starts with _______. a....Ch. 6 - Which of the following substances does not...Ch. 6 - Closed stomata ________. a. limit gas exchange c....Ch. 6 - In C3 plants, _______ makes sugar production...Ch. 6 - Match each term with its most suitable...Ch. 6 - About 200 years ago, Jan Baptisa van Helmontwanted...Ch. 6 - While gazing into an aquarium, you observe bubbles...Ch. 6 - A C3 plant absorbs a carbon radio isotope...Ch. 6 - In 2005, a new species of green sulfur bacteria...
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- plant are use _______ as an energy source to drive photosynthesis a. sunlight c. O2 b. hydrgen ions d. CO2arrow_forwardSome plants are able to survive in hot, dry climates like the desert. What is the name of their photosynthetic process? A. Noncyclic photophsophorylation B. C4 Photosynthesis C. C3 Photosynthesis D. Carbon fixationarrow_forwardClosed stomata______ . a. limit gas exchange c. prevent photosynthesis b. permit water loss d. absorb lightarrow_forward
- What molecule is split in the oxygen-releasing light reactions of photosynthesis? A. Water B. Chlorophyll C. Carbon dioxide D. NADPHarrow_forwardPlants produce oxygen when they photosynthesize. Where does the oxygen come from? a. splitting water molecules b. ATP synthesis c. the electron transport chain d. chlorophyllarrow_forwardA plant has a unique photosynthetic pigment. The leaves of this plant appear to be blue-green. What wavelengths of visible light are not being absorbed by this pigment? A. red and yellow B. blue and green C. green and yellow D. blue, green, and red E. green, blue, and violetarrow_forward
- Most of the red, blue and purple colours of plants are due to a pigment called: A. anthocyanin B. carotene C. chlorophyll D. xanthophyllsarrow_forwardYou decide to plant a garden with a beautiful black walnut tree at one end and a majestic white oak at the other end. You are quite disappointed, however, when none of the seeds you plant around the walnut tree grow. What might explain this observation? a. The walnut tree filters out too much light, so the seeds fail to germinate. b. The roots of the walnut tree deplete all of the nutrients from the soil, so the new seedlings starve. c. The walnut tree produces chemical toxins that prevent seed germination.arrow_forwardWhich of the following statements is incorrect?a. Pigments absorb light of certain wavelengths only.b. Some accessory pigments are antioxidants.c. Chlorophyll is green because it absorbs green light.arrow_forward
- In which compartment of the plant cell do the light-independent reactions of photosynthesis take place? a. thylakoid b. stroma c. outer membrane d. mesophyllarrow_forwardWhich one of the following is not caused due to the PV power plants? a. Land pollution b. Battery Pollution c. Eyesight problem d. Earthquakesarrow_forwardType of chlorophyll only found in eukaryotes. a.Chl b b.Chl a c.Chl d d.Chl carrow_forward
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