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1. Which of the following statements about the distribution of sap throughout a plant is true?
A) The mechanism that explains the movement of sugars throughout a plant is called the pressure-flow hypothesis.B) The driving force for sugar movement is transpiration.C) The main component of phloem sap is glucose.D) Companion cells form the conducting tissue for sap.2. Which of the following statements about nutrient uptake by plants is true?
A)Root hairs increase the volume of roots for more efficient absorption of water and nutrients.B) Plants require other elements besides carbon, hydrogen, and oxygen to grow, and they can obtain these in soil.C) Positively charged ions remain dissolved in water and are easily absorbed by plant roots.D)Plants can easily absorb mineral ions from soil with large amounts of organic matter.
Assume you are analyzing two laboratory populations of pure-breeding mice. One population has very long tails and the other has very short tails.
The client tells nurse that he does not understand what that means. How would nurse explain this in terms the client would understand.
q. bryophytes and fern allies were most prevalent during early plant evolution however many of these plants have been
How many net ATP are gained through glycolysis? (the pathway itself, not substances that will eventually go through the electron transport chain)?
Compare and contrast solid-phase DNA synthesis with enzyme-catalyzed DNA synthesis.For full credit, you must separately describe the similarities and differences between the two. Further, your answer must make appropriate use of chemical reaction ..
If the experimental animals in the chamber were engaged in physical activity (such as running in a wheel), how do you think this would change results of the metabolism experiment. What changes would you expect to see in the fluid levels of manometer.
When conducting an experiment, it is important to have the experimental and control groups as close to each other as possible at the start of the experment. In the Keystone Predator simulation, what would you click on to make sure that each group ..
The dominant gases for the two bodies are different, but apart from that, the two atmospheres are very similar.
The movement of glucose into a cell against a concentration gradient is most likely to be accomplished by which of the subsequent. movement of glucose into the cell through a glucose channel.
In cells, the phosphorylation of glucose is the first step in glucose metabolism and is accomplished by addition of phosphate from ATP which generates ADP and Pi (G° = -7.3 kcal/mole). Therefore, in the cell there are two reactions coupled togethe..
q1. signals carried by hormones must eventually be terminated response continues for a limited time. examine two
q1. a new manufacturer is advertising a new cake mix as fat free.a food manufacturer is advertising the new cake mix as
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