[D] Nucleoid Prokaryotic cells lack a true nucleus and a circular DNA is in the naked state in the cytoplasm. The unknown nuclear region of the cell is called the nucleoid. Prokaryotic cells lack chromosomes and a nucleolus or nuclear membrane and the nucleoplasm remains inseparable from the cytoplaRead more
[D] Nucleoid
Prokaryotic cells lack a true nucleus and a circular DNA is in the naked state in the cytoplasm. The unknown nuclear region of the cell is called the nucleoid. Prokaryotic cells lack chromosomes and a nucleolus or nuclear membrane and the nucleoplasm remains inseparable from the cytoplasm.
In an experiment, a beam of light is passed from a denser medium to a rarer medium. Based on the observation obtained, choose the correct statement.
[D] All of these
[D] All of these
See lessWhat will happen to the angle of refraction, if angle of incidence is increased in both media?
[A] It will increase
[A] It will increase
See lessThe undefined nuclear region of prokaryotes is also known as
[D] Nucleoid Prokaryotic cells lack a true nucleus and a circular DNA is in the naked state in the cytoplasm. The unknown nuclear region of the cell is called the nucleoid. Prokaryotic cells lack chromosomes and a nucleolus or nuclear membrane and the nucleoplasm remains inseparable from the cytoplaRead more
[D] Nucleoid
See lessProkaryotic cells lack a true nucleus and a circular DNA is in the naked state in the cytoplasm. The unknown nuclear region of the cell is called the nucleoid. Prokaryotic cells lack chromosomes and a nucleolus or nuclear membrane and the nucleoplasm remains inseparable from the cytoplasm.
Acrosomal reaction of the sperm occurs due to:
a. Its contact with zona pellucida of the ova
a. Its contact with zona pellucida of the ova
See lessSpermiation is the process of the release of sperms from:
a. Seminiferous tubules
a. Seminiferous tubules
See lessSpot the odd one out from the following structures with reference to the male reproductive system:
d. Isthmus
d. Isthmus
See lessChoose the incorrect statement from class 12th Biology
c. Polyspermy is prevented by the chemical changes in the egg surface
c. Polyspermy is prevented by the chemical changes in the egg surface
See less