Yes, cockroaches do contain blood. Their blood is called haemolymph, which is present in the haemocoel. They have an open type of circulatory... View Article
Yes, chloroplasts have DNA. Both chloroplasts and mitochondria have extranuclear DNA. Scientists believe that during evolution these organelles... View Article
No, bacteria do not contain mitochondria. Bacteria are prokaryotic organisms. Prokaryotic cells do not contain mitochondria, nucleus or any other... View Article
Yes, bacteria contain a cell wall. Except for mycoplasma, all the prokaryotes contain cell walls. The bacterial cell wall is made up of... View Article
Yes, animal cells have vacuoles. In animal cells, vacuoles are small compared to plant cells. Vacuoles are membrane-bound fluid-filled sacs... View Article
Yes, Protists can carry out photosynthesis. Almost half of the atmospheric carbon dioxide is fixed by planktons. Protists include all the... View Article
No, plants cannot survive without photosynthesis for long. If devoid of photosynthesis, they can survive with the energy already available but... View Article
One of the criteria for living organisms is that they grow - and viruses do not grow. This is because each virion is created in a fully-formed... View Article
The reproductive phase of most viruses involve bursting out from the host cell in a process called lysis. This undoubtedly kills the host cells.... View Article
Viruses have either DNA or RNA as their genetic material present within the protein coat. DNA and RNA present can be double-stranded or... View Article
Yes, viruses have protein coats Main Concepts: What Are Viruses? Discover the Classification and Properties of Viruses Explore Why Viruses are... View Article
Viruses fall in the grey area - between living organisms and inanimate objects. Hence, they are generally not included on the Tree of life, as... View Article
Yes, virus display levels of organisation - where they have genes which are composed of nucleic acids and a protein coat (capsid) made from... View Article
Viruses showcase natural selection, which means they evolve. Also Read: What Are the Basic Units of Heredity? How Is Heredity Related To... View Article
No, viruses do not have flagella. Main Concepts: What Are Viruses? Discover the Classification and Properties of Viruses Explore Why Viruses... View Article
Yes, viruses evolve, and also show natural selection, just like any other living organism. Main Concepts: What Are Viruses? Discover the... View Article
Yes, viruses have DNA as well as RNA as the genetic material. However, do note that they cannot have both at the same - i.e, the protein coat... View Article
Viruses technically do not have chromosomes. Instead, viruses have something called a segmented genome. Main Concepts: What Are Viruses?... View Article
