In the moss life cycle _____ cells within a sporangium undergo _____ to produce _____ spores.

a) diploid ... mitosis ... diploid
b) diploid ... mitosis ... haploid
c) haploid ... meiosis ... haploid
d) diploid ... meiosis ... haploid
e) haploid ... mitosis ... haploid


Ans: d) diploid ... meiosis ... haploid

Biology & Microbiology

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Indicate whether the statement is true or false.

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How much plastic enters the ocean each year?

a. 500 million metric tons b. 500 thousand metric tons c. 1 billion metric tons d. 1 million metric tons

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The ________ pathway in lambda phage leads to integration of viral DNA with that of the host, while the ________ pathway leads to induction of progeny viruses

A) lytic, lysogenic B) invasive, replicative C) repressive, inductive D) lysogenic, lytic E) replicative, lysogenic

Biology & Microbiology

In the accompanying figure, the function of the structure labeled C, particularly in small children, is to:

a. produce blood cells. b. act as a growth center. c. provide mechanical strength. d. serve as an attachment site for tendons. e. nourish the bone tissue

Biology & Microbiology