A Acidic respiration
B. Anaerobic respiration
C. Aerobic respiration
D. Nitrogenous respiration
A. Corpus callosum
B. Medulla oblongata
C. Cerebral cortex
D. Cerebellum
Oxygen accounts for __________ percent of totals human body mass?
A. 65%
B. 18%
C. 10%
D. 3%
A virion is______________?
A. Virus
B. Viral protein
C. Viral lysozyme
D. Viral gene
Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:
A. Polio
B. Hepatitis
C. AIDS
D. HIV
A. unicellular
B. multicellular
C. acellular
D. none of these
Viruses are nor unicellular neither multicellular the are acellular organisms means without cell configuration. Actually they are only made up of nucleic acid and proteins. Viruses are acellular biological entities made up of nucleic acid and proteins. The nucleic acid is either DNA or RNA; both are never found together in a virus. Thus viruses are neither unicellular nor multicellular.
The cell wall is usually composed of two overlapg halves called epitheca and hypotheca in__________?
A. Diatoms
B. Desmids
C. Pyrrophyta
D. Chlorophyta