Cells that protect the body by engulfing foreign cells or producing antibodies are D. White blood cells.
60 years is three half life for the substance, so 40*1/2^3=5
Answer:
Polyploid cells have more than 2 sets of each chromosome. Hope that helped! :)
Answer: A protein's specific shape determines its function.
Explanation: If the three-dimensional structure of the protein is altered because of a change in the structure of the amino acids, the protein becomes denatured and does not perform its function as expected.
Aristotle classification
He classified plant and animals into two separate kingdoms
Modern Classification
In this system also, there were two separate kingdoms for plant and animals
