Micro Organisms Which cell type is considered to have the oldest ancestor? Eukarya Bacteria they all share the same ancestor Archaea Eukarya Bacteria they all share the same ancestor Archaea ANSWER DOWNLOAD EXAMIANS APP
Micro Organisms Who was the inventor of the Petri dish? R.J. Petri, an assistant of R. Koch A famous French cook None of these Italian glass blower from Petri, Italy R.J. Petri, an assistant of R. Koch A famous French cook None of these Italian glass blower from Petri, Italy ANSWER DOWNLOAD EXAMIANS APP
Micro Organisms The unifying feature of the archaea that distinguishes them from the bacteria is absence of a nuclear membrane temperature habitats which are extreme environments with regard to acidity cytoplasmic ribosomes that are 70S presence of a cell wall containing a characteristic outer membrane absence of a nuclear membrane temperature habitats which are extreme environments with regard to acidity cytoplasmic ribosomes that are 70S presence of a cell wall containing a characteristic outer membrane ANSWER DOWNLOAD EXAMIANS APP
Micro Organisms Which of the following sequences has helped in identifying eukaryotes, eubacteria and archeabacterial cell types? Signal sequence Signature sequence Amino acid sequence Shine-Dalgarno sequence Signal sequence Signature sequence Amino acid sequence Shine-Dalgarno sequence ANSWER DOWNLOAD EXAMIANS APP
Micro Organisms Which of the following is not true for prokaryotic organism? 80S ribosomes are distributed in cytoplasm Nucleus is not bounded by nuclear membrane Cell wall contains peptidoglycan as one of the major component 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 Chromosomes does not contain histones ANSWER DOWNLOAD EXAMIANS APP
Micro Organisms All of the following are features of prokaryotes except locomotion photosynthesis sexual reproduction nitrogen fixation locomotion photosynthesis sexual reproduction nitrogen fixation ANSWER DOWNLOAD EXAMIANS APP
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