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Biol 186 UVIC Final Exam - lab section with Questions and 100% Correct Verified Solutions
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Biol 186 UVIC Final Exam - lab section with Questions and 100% Correct Verified Solutions
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Biol 186 UVIC Final Exam - lab sectionwith Questions and 100% Correct
Verified Solutions
Suberin - Answer Fatty material found in the cell walls of cork tissue and in the
Casparian strip of the endodermis that acts as a selective barrier to molecules.
What is the most important function of the suberized endodermal cells? - Answer
Water retention and/or protection against pathogens
Stele with xylem and phloem - Answer Everything in a stem other than
the epidermis/cortex.
Midvein - Answer main or central vein of a leaf
How do tall terrestrial trees overcome the problem of getting water all of the way to
the top? - Answer Bulk-flow of water/minerals
Factors that influence stomata opening - Answer Light - Red light perceived by
chlorophyll increases demand for CO2, while blue light initiated stomatal opening.
CO2 concentration - Stomata open when internal CO2 concentrations are low,
indicating high levels of photosynthetic activity
Water balance - Close when water retention is desired
, Circadian rhythm - Generally open during the daytime to collect CO2 and closed at night
Could a spinach survive without stomata? Why? - Answer No, gas exchange is
required, as is transpiration. Pressure would become too great.
hypertonic - Answer when comparing two solutions, the solution with the
greater concentration of solutes
hypotonic - Answer when comparing two solutions, the solution with the
lesser concentration of solutes
Radiating canals - Answer collect fluids and empty into the contractile vacuole
Chambers of the heart - Answer right atrium, right ventricle, left atrium, left ventricle
major vessels entering and leaving heart - Answer superior vena cava and the
inferior vena cava - right atrium
left pulmonary artery- right ventricle
aorta-left ventricle
Pulmonary vs systemic - Answer Circulation Between Heart And Lungs VS Circulation
Between Heart And Other Parts
tricuspid - Answer valve between the right atrium and the right ventricle
bicuspid valve - Answer valve between the left atrium and the left ventricle.
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