L chromosomes differ from supernumerary chromosomes in that
A. They are constant in all individuals of the species having them
B. They are smaller in size
C. They do not possess centromere
D. All of the above
Answer: Option A
A. They are constant in all individuals of the species having them
B. They are smaller in size
C. They do not possess centromere
D. All of the above
Answer: Option A
The plasma membrane is covered by a cell wall in cells of
A. Plants
B. Bacteria
C. Fungi and Algae
D. All of the above
A. Robert Brown
B. Schleiden
C. Theodore Schwann
D. Rudolf Virchow
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