Answer:
Correct answer to the question: human bone, muscle, and nerve ceils all contain the same number of chromosomes with the same complement of genes. what enables these cells to perform specialized activities
Homeostasis is the state of getting the entire body back to stable equilibrium while respiration is just the act of breathing which is a type of homeostasis
Answer:
Option C. is correct.
Explanation:
According to Chargaff's rules, DNA (Deoxyribonucleic Acid) from any species of an organism should have purine and pyrimidine bases in the ratio 
This ratio is very important for solving the structure of DNA.
As per this rule, DNA is double-stranded, and covalent bonds between identical nucleotides hold the strands together.
So, Option C. is correct.