True or false? The integumentary system consists of three layers. From outermost to innermost, they are made of epithelium, dense connective tissue, and loose connective tissue
True
False
B. False
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Plant species regularly hybridize in nature, but only some crosses result in new polyploid species. Of the crosses below, if each one occurred, which would be most likely to result in a new stable polyploid species?
A. A cross between a 2n gamete and a 1n gamete, forming a 3n hybrid. B. A cross between a 4n gamete and a 1n gamete, forming a 5n hybrid. C. A cross between a species with a CC genome and a species with a DD genome, forming a hybrid with a CD genome. D. A cross between a species with a BB genome and a species with a DD genome, followed by a doubling of chromosomes, forming a hybrid with a BBDD genome. 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 polyploidy? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
Which of the following does not pertain to endotoxin?
A. Endotoxin is a bacterial cell wall lipid. B. Endotoxin can cause septic shock in the human body. C. Endotoxin can stimulate fever in the human body. D. Endotoxin is found in acid-fast bacterial cell walls.
Rank the following chemical bonds from weakest to strongest:
a. hydrogen, ionic, covalent b. hydrogen, covalent, ionic c. ionic, hydrogen, covalent d. ionic, covalent, hydrogen e. covalent, ionic, hydrogen
The procedure in which a single stain is used to visualize microorganisms is called ________ staining.
Fill in the blank(s) with the appropriate word(s).