Answer:
If the pancreas did not stop producing insulin and blood sugar levels did not dropped to normal levels so it causes a disease called hyperinsulinemia. This disease causes heart disease and cancer in the body. With increased levels of insulin makes the cells resistant to harmone which means there is no effects of harmone on the cell and the body didn't perform its functions properly. The increase in insulin levels increase the absorption of sugar from the blood and the person gets more weight which is not good for health.
<span>The best source of stem cells which also minimizes the risk associated with stem cell transplantation</span> are stem cells preserved from the umbilical cord of the person. <span>Stem cell transplant is the process in which diseased cells are replaced by the stem cells collected at the time of birth from umbilical cord blood or bone marrow.</span>
Answer:
D.
Explanation:
The reactants used in photosynthesis are H2O(water), CO2(carbon dioxide), and light(sunlight) energy. These are used to produce glucose for the plant and oxygen which is released.
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Answer:
Transcription of gene A is not affected
Explanation:
A transcriptional repressor is a DNA/RNA-binding protein that acts to suppress gene expression and/or protein synthesis by binding to target sequences. Moreover, a silencer is a DNA region that binds to particular transcriptional repressors in order to suppress gene expression. In this case, the transcriptional repressor is activated by binding to an effector molecule X (e.g., another protein). In consequence, and since the activated repressor-X complex is not more able to bind the silencer of gene A, it is expected that such complex will not be able to affect transcription of the target gene.
Answer:
1. B
2. C
Explanation:
1. Stem cells have a higher potency than differentiated cells. They are pluripotent and multipotent cells that can differentiate into most types of cells. Therefore they can be used to repair injuries that take long to heal naturally. An example is applying stem cells on joints of people with arthritis to enable cartilage of knee caps regenerate.
2. Bionics is a form of engineering that mimics human physiology but is not made of tissues but rather mechanicals made of a material like titanium. An amputee, for example, will have a mechanical arm or leg on the amputated limb that functions like a real limb. Usually, in the best form of bionics, the subject is able to control the artificial limb with their mind.
