law is any concept that is true and real while theory is a concept which nobody can tell weather it is true or false
for eg :
Law- every action has equal and opposite reaction
(It is law because it is proven)
Theory- Big bang theory
(no one no it true or false)
The correct answer should be (d) The Krebs cycle
After Glycolysis, the Krebs cycle begins in the matrix of the mitochondrion.
If this division is based on tissue formation then it is correct because there are 8 types of cells. If it's based on the function then it's incorrect because there are more than 10.
It is Chromosomes
Meaning: Chromosomes is a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes
Because without it you would have no support to stand