Chondriocytes:
They are cells of cartilages, and are present in small cavities within the matrix secreted by them.
Axons:
They are long, slender projections of neurons that help in carrying nerve impulses away from the neuron body. Axons aggregate in bundles which make up the nerves.
Ciliated epithelium:
It consists of simple columnar or cuboidal epithelium with cilia on their free surfaces. It is present on the inner surface of the oviducts and bronchioles. Where it helps in the movement of eggs or mucus in specific directions.
Define a taxon. Give some examples of taxa at different hierarchical levels.
What are the steps involved in formation of a root nodule?
Bile juice contains no digestive enzymes, yet it is important for digestion. Why?
How do you distinguish between a skeletal muscle and a cardiac muscle?
Name two cell-organelles that are double membrane bound. What are the characteristics of these two organelles? State their functions and draw labelled diagrams of both.
Draw the diagram of a sarcomere of skeletal muscle showing different regions.