Who originally identified a highly condensed structure in the interphase of nuclei?

A. Lyon
B. Barr
C. Ohno
D. None of the answers are correct


B

Biology & Microbiology

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Tertiary consumers feed directly on _____

a. carnivores b. producers c. herbivores d. parasites e. decomposers

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Phylogenetic systems of classification attempt to

reflect __________ relationships among species. a. structural b. morphological c. evolutionary d. biochemical e. genetic

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During the preparation of a human genomic library, plasmids containing human DNA fragments are inserted into:a

compatible human cells. b. an antibiotic-resistant strain of E. coli to protect the inserted fragments. c. antibiotic-sensitive E. coli cells that become antibiotic-resistant if transformed. d. bacteriophages. e. mRNA molecules.

Biology & Microbiology

The idea that alleles of a particular gene separate independently into individual gametes during meiosis is Mendel's principle of ________.

a. unit inheritance b. segregation c. independent assortment d. dominance

Biology & Microbiology