False about viruses is -
Ribosomes absent
Mitochondria absent
Motility absent
Nucleic acid absent
Ans. is 'd' i.e., Nucleic acid absent o Viruses contain nucleic acid, either RNA or DNA.Properties of viruseso V iruses are obligate intracellular parasites.o They lack enzymes necessary for protein and nucleic acid synthesis and are dependent for replication on the synthetic machinery of host cells --> so, they cannot grow in cell free culture media.o They do not have cellular organization.o They are unaffected by antibacterial antibiotics.o They contain only one type of nucleic acid, either RNA or DNA, never both.o They multiply by a complex process and not by binary fission,o The extracellular infections virus particle is called the virion.o With few exceptions, viruses are very heat labile.
Properties of Virus