Answered: what is the guard cell of a stomata?

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what is the guard cell of a stomata?

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter28: Plant Nutrition And Transport

Section: Chapter Questions

Problem 12SQ: Stomata open in response to light when _______ a. ions flow into guard cell cytoplasm b. ions flow...

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Stomata open in response to light when _______ a. ions flow into guard cell cytoplasm b. ions flow out of guard cell cytoplasm c. water evaporates out of guard cells
When stomata open, what occurs?______ Water vapor is lost to the external environment, increasing the rate of transpiration Water vapor is lost to the external environment, decreasing the rate of transpiration Water vapor enters the spaces in the mesophyll increasing the rate of transpiration Water vapor enters the spaces in the mesophyll decreasing the rate of transpiration.
What might happen to a root if the pericycle disappeared?
Which tissue system provides a covering for the plant body? (a) ground (b) vascular (c) periderm (d) dermal (e) cortex
Describe how roots absorb positively charged mineral ions by the process of cation exchange.
Closed stomata ________. a. limit gas exchange b. permit water loss c. prevent photosynthesis d. absorb light
Stomata close in response to bacterial infection. Why is this response a mechanism of defense for the plant? Which hormone is most likely to mediate this response?
Explain the role of the cork cambium in woody plants.
Ground tissue in monocot stems performs the same functions as _______________ and _______________ in herbaceous eudicot stems. (a) phloem; xylem (b) cork cambium; vascular cambium (c) epidermis; periderm (d) primary xylem; secondary xylem (e) cortex; pith
Figure 30.7 Which layers of the stem are made of parenchyma cells? cortex and pith epidermis sclerenchyma epidermis and cortex
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Phytochrome is a plant pigment protein that mediates plant infection promotes plant growth mediates morphological changes in response to red and far-red light inhibits plant growth