The flexible tube that connects the larynx to the bronchi is the _______.
a) trachea
b) esophagus
c) colon
d) bonchiole
Ans: a) trachea
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Genes that are _________ do not assort independently and are said to be _____
A. distant from one another on the same chromosome; linked. B. close to one another on the same chromosome; linked. C. distant from one another on the same chromosomes; independent. D. close to one another on the same chromosome; independent. E. None of the answer options are correct.
Which of the following best describes a dikaryotic fungus?
A. A fungus that produces a branched fruiting body B. A fungus in which the hyphae repeatedly branch forming a network C. A stage in sexual reproduction of some fungi in which plasmogamy has occurred, but karyogamy has not D. A stage in sexual reproduction of some fungi, in which both plasmogamy and karyogamy have occurred
Some plants, fungi, and animals can asexually reproduce new genetically identical copies of themselves. This is a natural version of
A. meiosis. B. recombination. C. mutation. D. transgenic organisms. E. cloning.
Who is usually credited with the discovery of penicillin?
A. Ehrlich B. Fleming C. Florey and Chain D. Duchesne