The chromosomes in which the centromere is situated close to one end are:

1. metacentric
2. acrocentric
3. telocentric
4. sub-metacentric

Select the correct matching among the following pairs.

The true nucleus is absent in:

Which one of the following is not an inclusion body found in prokaryotes?

DNA is not present in:

The nuclear envelope is derivative of:

Cytochromes are found in:

Which of the following structures performs the function of mitochondria in a bacteria?

The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:

1. Microtubules

2. Microfilaments

3. Intermediate filaments

4. Lamins

The osmotic expansion of a cell kept in water is chiefly regulated by:

1. Mitochondria

2. Vacuoles

3. Plastids

4. Ribosomes