The answer i think it changes
Answer:
contraction and relaxation of the heart
Explanation:
The function of each protein molecule depends on its shape, which in turn is determined by the protein specific sequence of AMINO ACIDS.
Proteins are a type of macro molecules that are made from amino acids, each protein is a long chain of different amino acids. There are twenty different amino acids in existence. Protein carry out several crucial functions in the cells of living organisms. The specific functions which a protein carries out is determined by its shape and the three dimensional structure of the protein. The shape of the protein depend on the type of amino acids that made up the protein. <span />
Bacteria cells have no what? They have no nucleus.
Answer:
23 pairs
Explanation:
Humans normally have 23 pairs of chromosomes, which equals 46 (23 pairs, 23*2=46) total chromosomes. 22 of the pairs are autosomes. They store the genes. The other pair is the sex chromosomes. They decide whether the person is male or female.
