in Microbes in Human Welfare by

1 Answer

0 votes
by

The Nostoc cells protoplasm has an outer pigmented cytoplasmic region which is known as the chromoplasm. This chromoplasm possess the pigments phycocyanin and the chlorophyll a. the presence of chlorophyll a gives the green colour to the cell.

Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.
...