Answer:Nucleotide
A nucleotide consists of a sugar molecule
Answer:
plant cells have a rigid cell wall that helps it keep shape and animal cells don't
Answer:
Plants need a rigid structure. Animal cells have flexible cell membranes. So animal cells can have a variety of shapes, but plant cells can not, they have to take the shape of their cell walls. Both plant and animal cells are eukaryotic, so they contain membrane-bound organelles like the nucleus and mitochondria.
(15) Label 1 is D
(16) Label 2 is A
(17) Label 3 is B
(18) Label 4 is C
The answer is prime mover