Cell membrane in animals is composed mainly of the molecule of
lipids
proteins
lipids and proteins
carbohydrates
Which one is single membrane cell organelle
Endoplasmic reticulam
Mitochondria
Lysosomes
Chloroplast
C.
Lysosomes
Endoplasmic reticulum, mitochondria and chloroplast are double-membraned cells organelle whereas lysosome is a single membrane cell organelle.
Major nitrogenous waste product in ureotelic animals like rabbit and other mammals is
uric acid
urea
ammonia
amino acids