4. Which of the following statements are accurate?
A. The heartbeat in a human heart is initi...
4. Which of the following statements are accurate?
A. The heartbeat in a human heart is initiated by the atrioventricular mode.
B. During systole, the heart's ventricle(s) is/are relaxing and filling with blood.
C. During systole, blood will be pumped from the heart into the veins of the body
D. The pulse is used to determine one's heart rate.
E. The nervous system and certain hormones can alter pacemaker activity.
Answers: 2
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Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.
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Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes
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Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?
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