Erwin Chargaf demonstrated that in DNA the amount of A is about the same as the amount of G
a. true
b. false
Ans: b. false
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You have been given a plant sample and asked to identify a specific tissue. Upon investigation, you find the cells are all long in length and some of them have small pores. They all contain fluid. You test the fluid using various biochemical tests and discover the fluid contains an abundance of disaccharides. What type of tissue are you looking at?
A. xylem B. phloem C. root hair cells D. sclerenchyma E. meristematic Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about the cellular compostition of different types of plant cells? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where
Home gardeners who grow tomatoes are often told to pinch off auxillary buds at nodes to prevent the plants from becoming too bushy. This is applicable with most tomato species because they have growth.
A. circular B. slow C. determinate D. undefined E. indeterminate
In female mammals, most genes on one of the two X chromosomes are permanently inaccessible, a phenomenon called __________.
Fill in the blank(s) with the appropriate word(s).
What is one function of the muscular system?
A. Transmission of electrical signals B. Connection of ligaments to bones C. Heat production D. Exchange of gases with the atmosphere E. Prevention of desiccation