URGENT, HELP!!
I’m not sure
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Answers: 3
Biology, 21.06.2019 20:40, jaycie16
Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling
Answers: 3
Biology, 22.06.2019 12:30, GaryCarmine
If a cell is placed into a hypertonic environment, what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge
Answers: 1
Biology, 22.06.2019 14:10, kenzielema12
Select the correct answer. what is the observable characteristic of a person called? o a. genotypephenotypeoc. alleleo d. gene
Answers: 2
Biology, 22.06.2019 15:10, sydneip2394
Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier
Answers: 1
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