The domain ___ is composed of the kingdom Eubacteria
Fill in the blank(s) with the appropriate word(s).
Ans: bacteria
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Which of the following best describes sponges?
A. They are symmetrical, lack tissues, and do not move. B. They are asymmetrical, lack tissues, and do not move. C. They are asymmetrical, have tissues, and do not move. D. They are symmetrical, have tissues, and do not move.
Viruses ____________.
a) sit on the fence between life and nonlife. b) use either DNA or RNA as their genetic material. c) only infect sick people. d) all of the above are correct. e) only a and c
Which of the following molecules is responsible for carrying the acetyl group from pyruvate into the citric acid cycle?
a. FADH2 b. ATP c. CoA d. NADH
Little Johnny's father is incredibly organized, but his mother tends to be messy. When Little Johnny's aunt notices that all of his binders are labeled and his room is spotless, she claims "you obviously didn't inherit your mother's 'messy' genes!". What is wrong with this statement?
a. Nothing is wrong with this statement. Our behaviors, just as much as our physical characteristics, are inherited from our parents. b. The organizational-skill gene is an X-linked gene; therefore, since Johnny is a boy, he only took after his mother. c. This statement is incorrect because the son may actually have some of his mother's "messy" genes, too. The gene for organization is recessive. d. Characteristics, such as organizational skills, are behavioral and environmentally influenced. Therefore, they are not specifically inherited. e. The organizational-skill gene is Y-linked; therefore, that is why he is organized, like his father.