The flexible tube that connects the larynx to the bronchi is the _______.

a) trachea
b) esophagus
c) colon
d) bonchiole


Ans: a) trachea

Biology & Microbiology

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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.

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology

Who is usually credited with the discovery of penicillin?

A. Ehrlich B. Fleming C. Florey and Chain D. Duchesne

Biology & Microbiology