Mitochondria are unusual organelles. They act as the power plants of the cell, are surrounded by two membranes, and have their own genome. They also divide independently of the cell in which they reside, meaning mitochondrial replication is not coupled to cell division. Some of these features are holdovers from the ancient ancestors of mitochondria, which were likely free-living prokaryotes.
Hey there,
Answer: <span>The mouse, because it is an Endothermic and therefore its standard metabolic rate is higher than the lizard's standard metabolic rate.
Hope this helps :D
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Answer:
It happens in the diastolic phase of the cardiac cycle
Explanation:
During the diastolic phase of the cardiac cycle, blood is allowed to enter the heart when it relaxes after a contraction.
Approximately one systole (contraction phase) that lasts 300 milliseconds and a diastole of 500 milliseconds.
