Plants that fix CO 2 into organic acids at night when the stomata are open and carry out the Calvin cycle during the day when the stomata are closed are called O A. C 3 plants. B. C 4 plants. O C. CAM plants. O D. B and C only. E. A, B, and C

Plants that fix CO 2 into organic acids at night when the stomata are open and carry out the Calvin cycle during the day when the stomata are closed are called O A. C 3 plants. B. C 4 plants. O C. CAM plants. O D. B and C only. E. A, B, and C

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter6: Where It Starts-photosynthesis

Section: Chapter Questions

Problem 13SA: Closed stomata ________. a. limit gas exchange c. prevent photosynthesis b. permit water loss d....

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Concept explainers

Photosynthesis

Plants have a capacity that we humans can only imagine— the ability to produce food from sunlight. Sure, we can prepare some dishes that we can savor on, but it become possible because of the plants (as they serve as a producers of all the raw materials required). Photosynthesis is the method of assembling carbohydrates with the aid of sunlight.

Question

Plants that fix CO 2 into organic acids at night when the stomata are open and carry out the Calvin cycle during the day
when the stomata are closed are called
O A. C 3 plants.
B. C 4 plants.
C. CAM plants.
D. B and C only.
E. A, B, and C

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The Calvin Cycle: a. Cannot occur in the light. b. Is independent of the light reactions. c. Is a requirement for photosynthetic plants but has no effect on the rest of the biosphere
C4 photosynthesis A. Evolved just once. B. results in stomata being open more of the time. C. Is advantageous under drought. D. Is an adaptation to high CO2.
Why do land plants have stomates (sometimes called stomata)? a. To allow plants to take in carbon dioxide from the atmosphere. b. All of the choices are true; none are false. c. To control water loss while allowing for the uptake of some raw materials of photosynthesis. d. They allow the plant to have some control over transpiration rates.
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Typically the CO2 necessary for photosynthesis enters through the stomata of the plant leaves suppose petroleum jelly was used to coat the leaves out of this tomato blocked or closed a) what effect will this have on the light reactions in these leaf cells b) what effect will this have on the Calvin cycle in these leaf cells
From a plant's perspective, the main purpose of photosynthesis is to Group of answer choices a)to produce sugars and oxygen for heterotrophs. b)plants are not cognitive organisms and therefore we have no idea what the "purpose" of photosynthesis is for the plant. c)to produce enough O2 gas for the plant to survive through the night. d)make sugars, such as glucose, to use for building cell walls and for energy needed by the plant.
Over the past decades, the CO2 concentration in the atmosphere has increased. a. Predict the effect of increasing carbon dioxide concentrations on photorespiration. b. Scientists suggest that increasing CO2 concentrations are leading to higher average global temperatures. If temperatures are increasing, does this change your answer to part (a)?
The CALVIN CYCLE: a) Location in chloroplast: b) Input: c) Immediate output/product(s): d) Purpose: e) Connection to other steps/processes: f) Other:
Photosynthesis ceases when leaves wilt, mainly because(A) the chlorophyll in wilting leaves is degraded.(B) accumulation of CO2 in the leaf inhibits enzymes.(C) stomata close, preventing CO2 from entering the leaf.(D) photolysis, the water-splitting step of photosynthesis,cannot occur when there is a water deficiency.
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