Concept explainers
a.
To determine: The solute and water potential of plants in seasons of mid-August and mid-February, and also to identify the difference between two seasons.
Introduction: Water potential is essential for a plant as it transports water and nutrients in a plant. The movement of water depends on the solute concentration and pressure. Water potential determines the direction of water movement which is represented by the Greek letter psi, Ψ. In plants, water moves by osmosis from the region of higher solute concentration to region of lower solute concentration.
b.
To determine: The graph and to identify the pressure potential in mid-August and in mid-February.
c.
To analyze: The graph and determine c) the factor that contributed the most when a low water potential was observed and whether these plants appeared more wilted during dry season.
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Chapter 24 Solutions
PRIN. OF LIFE (LL)-W/ACHIEVE
- What is the opening indicated by the pointer? (leaf x.s.) stomate guard cell lenticel intercellular space none of thesearrow_forwardIdentify the indicated tissue? (stem x.s.) parenchyma collenchyma sclerenchyma ○ xylem ○ phloem none of thesearrow_forwardWhere did this structure originate from? (Salix branch root) epidermis cortex endodermis pericycle vascular cylinderarrow_forward
- Identify the indicated tissue. (Tilia stem x.s.) parenchyma collenchyma sclerenchyma xylem phloem none of thesearrow_forwardIdentify the indicated structure. (Cucurbita stem l.s.) pit lenticel stomate tendril none of thesearrow_forwardIdentify the specific cell? (Zebrina leaf peel) vessel element sieve element companion cell tracheid guard cell subsidiary cell none of thesearrow_forward
- What type of cells flank the opening on either side? (leaf x.s.) vessel elements sieve elements companion cells tracheids guard cells none of thesearrow_forwardWhat specific cell is indicated. (Cucurbita stem I.s.) vessel element sieve element O companion cell tracheid guard cell none of thesearrow_forwardWhat specific cell is indicated? (Aristolochia stem x.s.) vessel element sieve element ○ companion cell O O O O O tracheid O guard cell none of thesearrow_forward
- Identify the tissue. parenchyma collenchyma sclerenchyma ○ xylem O phloem O none of thesearrow_forwardPlease answer q3arrow_forwardRespond to the following in a minimum of 175 words: How might CRISPR-Cas 9 be used in research or, eventually, therapeutically in patients? What are some potential ethical issues associated with using this technology? Do the advantages of using this technology outweigh the disadvantages (or vice versa)? Explain your position.arrow_forward
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