What type of macromolecule is an enzyme? Describe how Enzymes act as a catalyst. Provide a picture of an Exothermic Reaction graph and Endothermic Reaction graph.
Label the parts of each graph and label the Activation Energy. Explain how the Activation
Energy changes when an enzyme is present and absent. Provide a picture that shows the
present of an enzyme in a chemical reaction.
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an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

i think it is d. objects resist changes in their state of motion.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.