MICRO ORGANISMS QUIZ

Which of the following is not true for prokaryotic organism?

Chromosomes does not contain histones

80S ribosomes are distributed in cytoplasm

Nucleus is not bounded by nuclear membrane

Cell wall contains peptidoglycan as one of the major component

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Which cell type is considered to have the oldest ancestor?

Bacteria

they all share the same ancestor

Eukarya

Archaea

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The membranes of which domains are chemically the most similar?

Eukarya and Archaea

Archaea and Bacteria

membranes of all three domains are chemically identical

Bacteria and Eukarya

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All the following are considered eukaryotes except

protozoa

fungi

humans

archaea

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Eukaryotic micro organisms include

algae

all of these

protozoa

fungi

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What are Blue-Green bacteria called?

Protozoa

Cyanobacteria

Acquaobacteria

None of these

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Which of the following is considered the most unifying concept in biology?

Taxonomy

Anatomy

Evolution

Genetics

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A characteristic of protein synthesis in both the archaea and eukarya is

translation is inhibited by diphtheria toxin

the initiator tRNA is charged with N-formyl-methionine

proteins are synthesized from D-, rather than L-, isomers of amino acids

transcription and translation are coupled

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The endosymbiosis hypothesis provides an explanation for how

eukaryotes developed from prokayotes

prokaryotes developed from eukaryotes

algae developed from protozoa

protozoa developed from algae

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The oldest eukaryotic organisms are considered to be

fungi

diplomonads like Giardia

animals

archaea

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