Which best describes stem cells? differentiation creates specialized cells from stem cells. self-renewal creates stem cells from differentiated cells. self-renewal creates differentiated cells from stem cells. differentiation creates stem cells from specialized cells.
Answers: 2
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 02:50, arangoaiden71
Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays
Answers: 1
Biology, 22.06.2019 03:00, keke0529
1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit
Answers: 3
Which best describes stem cells? differentiation creates specialized cells from stem cells. self-re...
Health, 16.10.2019 09:10
Social Studies, 16.10.2019 09:10
History, 16.10.2019 09:10
Mathematics, 16.10.2019 09:10
Biology, 16.10.2019 09:10
English, 16.10.2019 09:10
Chemistry, 16.10.2019 09:10