Determine the impact if the connection between the sinoatrial (sa) node and the atrioventricular (av) node becomes blocked. determine the impact if the connection between the sinoatrial (sa) node and the atrioventricular (av) node becomes blocked. the ventricles will beat more slowly. the ventricular rhythm will not change. the ventricles will beat faster. the atria will contract more forcefully.
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As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes
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In the presence of oxygen, glycolysis is followed a. the krebs cycle b. lactic acid fermentation c. alcoholic fermentation d. photosynthesis
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Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.
Answers: 2
Determine the impact if the connection between the sinoatrial (sa) node and the atrioventricular (av...
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