Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 39, Problem 2TY
Summary Introduction
Introduction: The turgor pressure in the cell forces the cytoplasm of the cell against the plasma membrane which, in turn, applies pressure on the cell wall. The cell wall is a rigid structure that provides an equal and opposite force to maintain the pressure.
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Described Why is turgor pressure a property of plant cells?a. Plant cells possess the necessary chloroplasts.b. Plant cells possess a cell wall, necessary for formation of turgor.c. Plant cells possess mitochondria, which provide the ATP needed forturgor.d. All of the above are true.e. None of the above are true.
Terrestrial plants have stomata on the surface of their leaves.
Stomata are surrounded by two guard cells that change shape in
response to environmental factors and open or close the stoma.
Which of the following best explains how the structure of the leaf
is used in processes that occur in plants?
A. Water enters the plant through the surface of the leaf for transpiration
B. Gases for photosynthesis are exchanged through the surface of the leaf.
C. Energy for cellular reproduction is absorbed through the surface of the leaf.
D. Carbon dioxide enters the plant through the surface of the leaf for cellular
reproduction.
Which of the following is True?a. Chloroplasts are found primarily in leaf mesophyll cells.b. The space between the outer and inner membranes chloroplasts is called the thylakoid space.c. Mesophyll cells in the leaf’s center are packed tightly together.d. Vascular bundles of the leaf circulate CO2 and O2.
Chapter 39 Solutions
Biology
Ch. 39.2 - Describe the direction of water movement when a...Ch. 39.3 - Prob. 1CSCh. 39.4 - Prob. 1CSCh. 39.4 - Prob. 1CCCh. 39.4 - Prob. 2CCCh. 39.4 - Prob. 3CCCh. 39.4 - Prob. 4CCCh. 39.4 - Prob. 5CCCh. 39.4 - Prob. 1EQCh. 39.4 - Prob. 2EQ
Ch. 39.4 - Prob. 6CCCh. 39.4 - Core Skill: Connections Look back to Figure 36.16,...Ch. 39 - Prob. 1TYCh. 39 - Prob. 2TYCh. 39 - Prob. 3TYCh. 39 - Prob. 4TYCh. 39 - Prob. 5TYCh. 39 - Which of the following statements best explains...Ch. 39 - What features of water explain how it can be drawn...Ch. 39 - Prob. 8TYCh. 39 - Prob. 9TYCh. 39 - Prob. 10TYCh. 39 - Prob. 1CQCh. 39 - Prob. 2CQCh. 39 - Prob. 3CQCh. 39 - Prob. 1COQCh. 39 - Prob. 2COQ
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- These plant cells have only primary cell walls and are important as the site of photosynthesis: Select one: O a. Collenchyma Ob. Sclerenchyma O c. Parenchyma d. Fibers e. Scleridsarrow_forwardPart A: Plant cells also have mitochondria A. True B. False Do plants carry out cellular respiration? Yes No Part B: Living plant cells carry out cellular respiration only at night. False True Living plant cells carry out cellular respiration during the day and also at night. Group of answer choices A. Yes B. NOarrow_forwardWhich of the following statements are TRUE regarding plant pigments? a. Chlorophyll is the main plant pigment molecule in plants. b. Chlorophyll absorbs light energy from the sun. c. Carotenoids are mainly responsible for the fall color in leaves that we see. d. There are two types of chlorophyll, a and b. e. All of the above are true.arrow_forward
- Plant cells contain both chloroplast and mitochondria. Which statement best explains why? a Only their leaf cells have chloroplast, and only their root cells have mitochondria b They use chloroplast during the day and mitochondria at night c They use chloroplast to produce glucose, and mitochondria to convert the glucose to ATP d If their mitochondria cannot make enough ATP, then they use their chloroplasts to help outarrow_forwardWhen the central vacuole of a plant cell is _____________turgor pressure is __________. A. full of water; low B. full of water; high C. empty; high D. empty; unaffectedarrow_forwardPlant is autotroph which means it can make its own nutrients by photosynthesis. a. Define photosynthesis. b. Photosynthesis takes place in the mesophyll cells. Name the cells, then complete the table below. Cell Name Shape and Arrangement Function c. Other than from photosynthesis, plant can get nutrients from the soil. Name 4 minerals that the plant gets from the soil, then state the functions. d. With reference to diffusion, osmosis, and active transport, explain how the root hair cell absorbs water and mineral ions from the soil. Water... Mineral ions..arrow_forward
- When a cell from flaccid plant tissue is placed into a hypotonic solution: a. The cytoplasm will shrink and plasmolysis will occur b. Net water movement will be into the plant cell c. Lysosomes will remove the excess water, protecting the cell d. No net water movement will occur e. The plant cell will break open (lyse)arrow_forwardPhotorespiration becomes more likely when a. CO2 concentrations are high in leaf cells. b. stomata remain closed in C3 plants. c. glucose concentrations are low in leaf cells. d. ATP binds to rubisco.arrow_forwardWhich of the following descriptions about C4 and CAM plants is not correct? Select one: a. CAM plants use CO2 released from organic compounds during the day b. C4 and CAM plants both close stomata during the day in hot and dry climates. c. in C4 plants, PEP carboxylase present in bundle-sheath cells incorporate CO2 into C4 compounds d. CAM plants fix CO2 at night e. C4 plants use PEP carboxylase to fix CO2 even when CO2 concentrations are lowarrow_forward
- Stomata can open and close in order to modulate the transpiration stream and allow for exchange of oxygen and CO2. Stomata OPEN by… Select one: a. Increasing their water potential (more +) through the uptake of K+ and Cl-. b. Guard cells losing water and becoming less turgid. c. None of the choices are true. d. Allowing for rapid movement of ions into the cell through plasmodesmata linking guard cells to neighboring cells. e. Recognizing environmental cues such as high CO2 within the leaf.arrow_forwardChloroplasts absorb light energy. The function of the chloroplast is to a. transform sugar into cellular energy. b. sythesize sugars. c. transform proteins into useful nutrients. d. sythesize protiens.arrow_forwardR Which cellular structures aid a plant when faced with limited water/hydration levels? Unanswered Which two cellular structures aid a plant when faced with limited water/hydration levels? O Select all that apply A chloroplast cell wall B. C. nucleus D. mitochondria central vacuolearrow_forward
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