Lehninger Principles of Biochemistry Seventh Edition Test Bank

Lehninger Principles of Biochemistry Seventh Edition Test Bank makes studying easier with a breakdown of core topics, solved examples, and revision tips.

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Page11.In a bacterial cell, the DNA is in the:A)cell envelope.B)cell membrane.C)nucleoid.D)nucleus.E)ribosomes.2.A major change occurring in the evolution of eukaryotes from prokaryotes was thedevelopment of:A)DNA.B)photosynthetic capability.C)plasma membranes.D)ribosomes.E)the nucleus.3.In eukaryotes, the nucleus is enclosed by a double membrane called the:A)cell membrane.B)nuclear envelope.C)nucleolus.D)nucleoplasm.E)nucleosome.4.The dimensions of living cells are limited, on the lower end by the minimum number ofbiomolecules necessary for function, and on the upper end by the rate of diffusion ofsolutes such as oxygen. Except for highly elongated cells, they usually have lengths anddiameters in the range of:A)0.1m to 10m.B)0.3m to 30m.C)0.3m to 100m.D)1m to 100m.E)1m to 300m.5.Which group of single-celled microorganisms has many members found growing inextreme environments?A)bacteriaB)archaeaC)eukaryotesD)heterotrophsE)None of the answers is correct.

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