Bot 331 Study guides, Class notes & Summaries

Active transport is the reverse of transpiration. - Answer false If the concentration of solutes outside of a plant cell is greater than the concentration on the inside, water will - Answer move out of the cell Tension in the leaf xylem is due to the adhesive and cohesive properties of water as well as transpiration. - Answer true If a cell stockpiles a substance through the expenditure of energy, the process involved must be __________. - Answer active transport If imbibition was in...

List two essential mineral elements. For each, state a function and a deficiency symptom. correct answersNitrogen is an essential mineral element in plants. Deficiency in nitrogen causes reduced growth, woody stems, and purple leaf pigment from anthocyanins. Another nutrient is phosphorus. Phosphorus deficiency causes reduced growth and slender stems, and dark green leaves with necrotic spots. A gardener observes symptoms on their tomato plants of chlorosis in between leaf veins on older leav...

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True/false, if false explain why A protein that binds ATP and transfers a phosphate onto a substrate is called a Protein Phosphatase. - Answer False, a Protein Phosphatase removes phosphates from its substrate; a Protein Kinase transfers phosphates onto its substrate. True/false, if false explain why Indole-3-acetic acid is chemically derived from a nitrogenous base. - Answer False, indole-3-acetic acid, also called auxin, is chemically derived from tryptophan, which is an amino aicd not a ...

List two essential mineral elements. For each, state a function and a deficiency symptom. -reduced growth, woody stems, and purple leaf pigment from anthocyanins. Another nutrient is phosphorus. Phosphorus deficiency causes reduced growth and slender stems, and dark green leaves with necrotic spots. A gardener observes symptoms on their tomato plants of chlorosis in between leaf veins on older leaves before younger leaves. The gardener and horticulture experts agree that the plant has a Magne...

State two ways a decrease in soil pH may cause mineral deficiency symptoms. A decrease in soil pH means an increase in proton (H+) concentration. An increase in soil H+ can result in cation exchange where H+ replace other cations, such as Ca2+, from the surface of negatively charged soil particles. The Ca2+ is then dissolved in water and can potentially leach out of the soil resulting in a calcium deficiency. The other way low pH could cause a mineral deficiency is that numerous minerals are...

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