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- Which of the following is an effective plant defense against insect herbivory? Select one: a. Hypersensitive response b. Gene-for-gene resistance c. Salicylic acid d. Protease inhibitors e. Resistance genesThe C4 pathway utilizes less ATP than C3 pathway thus enabling C4 plants to adapt to tropical temperatures. True Falsewhich hormone is transported in a polar fashion? 1. ethylene 2. abscisic acid 3. auxin 4. cytokinin
- Match the hormone with the observation. ___ ethylene a. Your cabbage plants form ___ cytokinin elongated flowering stalks. ___ auxin b. The potted plant in your room ___ gibberellin is leaning toward the window. ___ ABA c. The last of your apples is getting ___ nitric oxide really mushy. d. The seeds of your roommate’s marijuana plant do not germinate no matter what he does to them. e. Lateral buds are sprouting. f. Your lettuce plants develop brown spots on their leaves.Explain the effects plant chemicals have on people (not just how it changes the way the neurotransmitter works, what does that change do to the person) if they affect PNS neurotransmitters in the following ways: Norepinepherine agonist Norepinepherine antagonist Acetylcholine agonist Acetylcholine antagonist Pick TWO of these, write down the neurotransmitter, then the effect a drug would have on people when doing what is listed in the bullet list.Which of the following plant structures is not a defense against herbivory? a. thorns b. spines c. nectar d. alkaloids
- Which of the following is the function of cytokinin? A. activation of defense response from biotrophic and hemi-biotrophic pathogens B. structurally related to animal steroid hormones for growth and development C. long distance (root-to-shoot) signals for nitrogen assimilation D. defense from necrotrophic pathogens and herbivore insectsA supplement taken by many Americans to aid in lowering serum cholesterol levels is garlic. It has a potential herb-drug interaction with what? O Vitamin E supplements O Digitalis O Antidepressants O AnticoagulantsExplain the logical reasons for the following terms briefly. 1. How does the plant determine passage of night and day? 2. Pyruvate oxidation. 3. C4 pathway. 4. Oxidation of glucose.
- Choose the one answer that fits best. Which of the following is NOT true with respect to plant defenses? O a. Plants are susceptible to infections by bacteria and fungi. O b. Some plant produce chemicals that inhibit the growth of other plant species. O c. Some plant produce pheromones to alert other members of the same species of the presence of herbivores. d. Some plants produce volatile chemicals with strong odors that are unpleasant to herbivores. e. All plants produce toxic chemicals to prevent infection from bacteria and fungi as well as to deter herbivores.1. Is caffeine only found in younger or older plant parts? Answer and discuss this comprehesively.Which of these are plant hormones? Starch Nicotine Palmitic acid Ethylene
