Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 30, Problem 10TYK
In a college greenhouse, a new employee observes fuzzy mycorrhizae in the roots of all the plants. Destroying no part of the plants, she carefully removes the mycorrhizae. The most immediate result of this “cleaning” is that the plants cannot:
a. carry out photosynthesis.
b. absorb water through their roots.
c. transport water up their stems.
d. extract as much nitrogen from soil.
e. store carbohydrates in their roots.
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Which of the following statements is/are TRUE for nitrogen fixation?
A. Process is performed by nitrifying soil bacteria.
B. Performed by bacteria present in the roots of all plants.
C. Reduction of N2 to NH3.
D. Consumes a negligible amount of ATP.
Choose the possible places a water molecule can go once it has traveled from the roots to a leaf cell.
A. Return to the soil
B. Release to the atmosphere
C. Store in central vacuole
D. Mitochondria
A group of researchers run an experiment to
determine the effect of mycorrhizae (a fungus)
on plant growth. The researchers set up three
experimental groups: A large amount of
mycorrhizae is applied to the plants in group 1
a smaller amount of mycorrhizae is applied to
the plants in group 2, and no mycorrhizae is
applied to the plants in group 3.
Which group(s) is/are the experimental
group(s)? More than one answer may be
correct. Select all that apply.
O Group 3
Group 2
Group 1
Chapter 30 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 30.1 - Prob. 1SBCh. 30.1 - Prob. 2SBCh. 30.1 - Prob. 3SBCh. 30.2 - Prob. 1SBCh. 30.2 - Prob. 2SBCh. 30.3 - Prob. 1SBCh. 30.3 - Prob. 2SBCh. 30.4 - Prob. 1SBCh. 30.4 - Prob. 2SBCh. 30 - Prob. 1TYK
Ch. 30 - Prob. 2TYKCh. 30 - Prob. 3TYKCh. 30 - Prob. 4TYKCh. 30 - Prob. 5TYKCh. 30 - A mushroom is: a. the food-absorbing region of an...Ch. 30 - Prob. 7TYKCh. 30 - Prob. 8TYKCh. 30 - Prob. 9TYKCh. 30 - In a college greenhouse, a new employee observes...Ch. 30 - Prob. 11TYKCh. 30 - Prob. 12TYKCh. 30 - Prob. 13TYKCh. 30 - Design an Experiment Experiments on the orange...Ch. 30 - Prob. 15TYKCh. 30 - Prob. 1ITDCh. 30 - Prob. 2ITD
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- Plant root nodules are A. formed from gall-rotting bacteria that decompose plant roots. B. harmful to plants, because the bacteria outcompete the plants for nutrients. C.sites where nitrogen fixation occurs. D. structures created by fungi and are found in all agricultural crops.arrow_forwardThe nutrition of some plants is enhanced by a mutually beneficial association between a root and a fungus. The association is known as _________. a. root nodule c. root hair b. mycorrhiza d. hyphaarrow_forwardDescribe a hypothesis explaining the mutual relationship between plant roots and mycorrhizae present in the soil.arrow_forward
- Use the information to answer the following question. A D You wake up one morning and look out your window to discover that a large fairy ring has sprung up overnight. Locations a-D represent mycelia that lies 0.5 meters below the soil's surface. Which location is nearest to basidiocarps? A Carrow_forwardThe rhizosphere is:Group of answer choices A.) an area 1-2 mm in thickness adjacent to the root. B.) Bacteria that assists in the conversion nitrogen gas. C. ) Fungi that assists in the absorption of micronutrients. D.) All of the abovearrow_forwardWhich of the following explains why pea plants in high soil nitrogen conditions have so few rhizobial nodules on their roots? When there is already high soil nitrogen there is a very large cost to having rhizobial nodules. The rhizobia bacteria in the nodules fix nitrogen when there isn't enough in the soil, so when there is already high soil nitrogen there is no advantage for the pea plant to expend the extra energy housing the rhizobia. The rhizobia bacteria in the nodules use nitrogen when there isn't enough in the soil, so in conditions of high soil nitrogen the plant tries to exclude the rhizobia to keep the nitrogen for itself. When there is already high soil nitrogen there is no benefit to the plant to having rhizobial nodules, which can rob the plant of the high nitrogen supplies so that the rhizobia bacteria do not have to fix the nitrogen themselves.arrow_forward
- what process can give plants an advantage because of the presence of these bacteria undergoing the following process can provide them with nitrogen for the production of protein? A. nitrifying B. denitrifying C. ammonification D. nirtogen fixingarrow_forwardHoware C4 plants and CAM (crassulacean acid metabolism) plants similar?a.They both open their stomata at night.b.They both initially fix carbon into a four carbon molecule.c.They both use more water to fix carbon into an organic compound than C3plants.d.They both have bundle sheath cells.e.Both carbon fixation and PGA production occurs in mesophyll cells.arrow_forwardDiscuss the following prompt: In this experiment, we are looking to see how much different types of soil will affect the time it takes for pinto Bean seedlings to germinate out of the ground. The scientific name of a pinto bean is Phaseolus vulgaris. Pinto beans are kind of beans people usually eating, and people commonly use pinto beans in many dishes, such as rice and pasta. Planting pinto beans need many necessary factors, however, I think the type of soil is the most important one to grow it faster. Pinto beans are kind of plants can grow in dark and dry area, so even in dark (less light), they can grow as well. The goal is to determine that soils have different characteristics that can help or hurt plant growth. In order to discover the effects soils have on plant growth, three different soil samples will be used in a controlled study. The samples will vary in consistency, texture, color, location, moisture, and contact with human life to ensure that the samples are…arrow_forward
- Discuss the following prompt: In this experiment, we are looking to see how much different types of soil will affect the time it takes for pinto Bean seedlings to germinate out of the ground. The scientific name of a pinto bean is Phaseolus vulgaris. Pinto beans are kind of beans people usually eating, and people commonly use pinto beans in many dishes, such as rice and pasta. Planting pinto beans need many necessary factors, however, I think the type of soil is the most important one to grow it faster. Pinto beans are kind of plants can grow in dark and dry area, so even in dark (less light), they can grow as well. The goal is to determine that soils have different characteristics that can help or hurt plant growth. In order to discover the effects soils have on plant growth, three different soil samples will be used in a controlled study. The samples will vary in consistency, texture, color, location, moisture, and contact with human life to ensure that the samples are…arrow_forwardA group of researchers wanted to determine how leaf herbivory and seed production of a legume plant (legumes are a family of plants which includes beans and lentils) were affected by the presence of its mutualistic rhizobia (a group of nitrogen-fixing bacteria). They designed an experiment with two treatments: (1) rhizobia absent and herbivores present and (2) rhizobia present and herbivores present. Provide two additional treatments and briefly explain how they would contribute to our understanding of the results of this experiment.arrow_forwardPlease answer the first questionarrow_forward
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