Modified Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321946508
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Chapter 33, Problem 20TYK
Imagine the following scenario: A plant biologist has developed a synthetic chemical that mimics the effects of a plant hormone. The chemical can be sprayed on apples before harvest to prevent flaking of the natural wax that is formed on the skin. This makes the apples shinier and gives them a deeper red color. What kinds of questions do you think should be answered before farmers start using this chemical on apples? How might the scientist go about finding answers to these questions?
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Identify each activity as an observation, a hypothesis, an experiment, or a conclusion.
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(d) Jill thinks that too little sunlight will affect plant growth.
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Chapter 33 Solutions
Modified Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology: Concepts & Connections (8th Edition)
Ch. 33 - Test your knowledge of the five major classes of...Ch. 33 - Prob. 2TYKCh. 33 - Prob. 3TYKCh. 33 - In autumn, the amount of _____ increases and the...Ch. 33 - Prob. 5TYKCh. 33 - Prob. 6TYKCh. 33 - Prob. 7TYKCh. 33 - Prob. 8TYKCh. 33 - Prob. 9TYKCh. 33 - Prob. 10TYK
Ch. 33 - Prob. 11TYKCh. 33 - Prob. 12TYKCh. 33 - Prob. 13TYKCh. 33 - Prob. 14TYKCh. 33 - A certain short-day plant flowers only when days...Ch. 33 - If apples are to be stored for long periods, it is...Ch. 33 - Prob. 17TYKCh. 33 - A plant nursery manager tells the new night...Ch. 33 - A plant biologist observed a peculiar pattern when...Ch. 33 - Imagine the following scenario: A plant biologist...Ch. 33 - Prob. 21TYK
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A classmate says that if one part of a plant is found to contain cells, then that means that every part of that plant will have the same type of cells. How should you respond to his claim? (a) He is correct. Every part of the plant will have the same type of cells (b)He is somewhat correct. ONly certain part of a plant contain cells, but those that do will have identical cells (c) He is incorrect. Only certain parts of a plant contain cells (d) He is somewhat correct. Every part of the plant will contain cells, but there may be different types of cells in a single plantarrow_forwardJack and Jill are curious about the factors that affect plant growth. They perform several experiments using pea plants -The leaves of the pea plants that received too much water turned yellow. observation - Jill decided that 5 hours of indirect sunlight gave optimum growth conclusion -Jack gave the pea plants a controlled amount of water each day. Experiment -Jill thinks that too little sunlight will affect plant growth. hypothesis please help me with the next part (a) Identify one variable (other than water and sunlight) that could be tested. (b) Write a hypothesis using this variable. (c) Design an experiment to test this variable.arrow_forwardwrite a paragraph about what plant-based drug would you be the most worried about if it becomes truly legalized? Justify your answer with how that drug affects the body. (100 words)arrow_forward
- As you learned in this chapter, many prescription drugs are derived from natural plant products. Numerous other plant substances, including caffeine and nicotine, have effects in the human body, as well. There is also a wide array of plant products, in the form of pills, powders, or teas, marketed as herbal medicines. Some people prefer taking these “natural” products to pharmaceuticals. Others use herbal supplements to boost energy, promote weight loss, strengthen the immune system, relieve stress, and more. The U.S. Federal Drug Administration, which approves pharmaceuticals, is also responsible for regulating herbal remedies. What does the label “FDA-approved” on an herbal remedy mean? How does that compare to FDA approval of a drug? The FDA website http://www.fda.gov/ForConsumers/default.htm is a good place to start your research. (Note that the FDA classifies herbal remedies as dietary supplements.)arrow_forwardYou are interested in determining the amount of fertilizer your lavender plants need to increase their growth. You get 5 pots of plain soil. You transplant one lavender plant into each pot and measure the height of the plant. You label each pot with letters A-E. A does not get any fertilizer, pot B gets 2mg of fertilizer, pot B gets 4 mg of fertilizer, pot C gets 6 mg of fertilizer, pot D gets 8 mg of fertilizer, and pot E gets 10 mg of fertilizer. For one month you water the plants the same amount and each plant receives the same amount of light. After one month you measure the plants again. The results of the experiment are below. A. Write a testable hypothesis for this experiment. B. Write a prediction based on your hypothesis. C. What is the dependent variable? D. What is the independent variable? E. Do the results support or refute your hypothesis? Results Pot Initial Measurement (cm) Final Measurement (cm) A 5.2…arrow_forwardHow could you incorporate the concepts of germination and plant nourishments when thinking about responsible farming practices? Explain how sunflower plant has is adapted to fit its current environment and how climate change could affect that adaptationarrow_forward
- What is the eighth concept used for studying plants? It is difficult to avoid using the phrase “in order to” when referring to plants. Change the following sentences to be more accurate. The first one is done as an example:a. Plants have leaves in order to photosynthesize. “Plants have leaves that photosynthesize,” or “photosynthesis in plants occurs in leaves.”b. Plants have flowers in order to reproduce.c. Plant cells divide in order to make more cells.d. Wind-pollinated plants have their flowers located high above the ground in order to be exposed to stronger wind.e. Some plants have red flowers to attract hummingbirds.f. After I eat dinner, my stomach secretes acid in order to help digest the food.arrow_forwardWhich of the following is an objective statement about an apple the answer, the apple is red?arrow_forwardErin hypothesizes that a certain fertilizer will cause her sunflowers to grow better. She plants 12 plants chooses the first 6 that sprout to treat with the fertilizer. She measures all the plants daily, and notices that the treated plants were an average of 2 cm taller at 6 weeks. She concludes that the fertilizer causes the plants to grow faster. Which fact would lead you to question Erin’s conclusion? The first plant to sprout was treated with the fertilizer. Erin treated the first 6 plants that sprouted. The treated plants were an average of 2 cm taller at 6 weeks. Erin’s friends also conducted the same experiment.arrow_forward
- what is the importance of plant seeds in medicine and pharmacy? write a paragraph explaining it.arrow_forwardDo you think plants will grow well under green light? Explain your reasoning.arrow_forwardA student reporting on a project said that one of her seeds did not grow properly because it was planted upside down, so it got confused and tried to grow down. Should the teacher accept this explanation? Why or why not?arrow_forward
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