Why do antibiotics not harm human cells?
What will be an ideal response?
Because they target structures that are unique to bacteria, such as the bacteria cell wall, ribosomes (which are different from eukaryotic ribosomes), or specific bacterial enzymes.
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If two molecules of the general type shown in the accompanying figure were linked together, carbon-1 of one molecule to carbon-4 of the other, the single molecule that would result would be _____
A) maltose B) fructose C) glucose D) galactose E) sucrose
In all of the following characteristics, prokaryotes differ from eukaryotes except in
A. cell size. B. multicellularity. C. chromosomes. D. nucleic acids as the hereditary material. E. organelles.
You are given a sample of plant tissue and asked to identify the type of tissue and its location in the plant. Using your microscope, you notice two distinct layers of cells. One layer contains cells that are tightly compacted together while the other layer has loosely arranged cells. The cells in both layers contain many chloroplasts. Based on this information, you determine the tissue is
A. mesophyll tissue from a leaf. B. ground tissue from a stem. C. vascular tissue from a leaf. D. mesophyll tissue from a stem. E. vascular tissue from a root. 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 shape, characteristics, and arrangement 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 did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The pharynx is also known as the throat
a. true b. false