DNA or deoxyribonucleic acid is macromolecule composed of nucleotides (nitrogen nucleobase, deoxyribose sugar and phosphate group) which carries genetic information (instructions). Instructions within DNA are for development, growth, reproduction and many other functional roles of an organism.
All of the cells within an organism contain the same genome (full set of DNA-chromosomes). When cells begin the process of differentiation (cells become specified) their genome stays the same, but the gene expression is different (different genes are on or off).
Answer:
salt
Explanation:
if water has salt it is no longer considered fresh, rather it is salt water
Answer:
I guess Comparative anatomy
Your skin helps regulate our body temperature by causing shivering and sweating. Shivering helps keep your body warm in a cold environment. Sweating helps cool off your body when hot.
Answer:
magnetic and electric fields are applied perpendicular to each other
Microwaves are electromagnetic waves which are composed of magnetic and electric fields oscillating perpendicular to each other.
Your Welcome!!