Explanation:
The human heart is a four-chambered muscular organ, shaped and sized roughly like a man's closed fist with two-thirds of the mass to the left of midline.
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Answer:
The gene, or sequence of DNA, ultimately determines the unique sequence of amino acids in each peptide chain. A change in nucleotide sequence of the gene's coding region may lead to a different amino acid being added to the growing polypeptide chain, causing a change in protein structure and therefore function
Explanation:
The chloroplast is where photosynthesis takes place. Inside you have your two reactions taking place. You have light dependent reaction and the Calvin cycle. This produces energy for the cellular activities of the cell (glucose and ATP).