When alzheimer disease sets in early and impacts those under age 60, the final phase of the disease or death typically occurs around 3 to 5 years after the first signs of the disease appear. Alzheimer's disease is the most common type of dementia, which is represents the memory loss and other cognitive abilities serious enough to interfere with normal life. Alzheimer accounts for about 60 to 80 percent of dementia cases.
During cell differentiation, new proteins are expressed
During cell differentiation, some genes are silenced while some or expressed. Different cells differentiate differently depending on the type of cell is going to become. This is why even though all the cells in a multcellular organism have the same DNA, they become different organ systems that look different.
Explanation:
Different differentiated cells produce different proteins because they express different genes. For example Cells of the epidermis of the skin express the genes for producing keratin (the pigment molecule) while those in the dermis do not express this protein because this gene is silenced in dermis cells. In addition, in dark-skinned people, these genes are more expressed that in people with light skin.
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Answer:
Evidence: During photosynthesis, plant cells use sunlight to synthesize food. This is followed by cellular respiration, which converts the products of photosynthesis into chemical energy. Though animal cells do not use photosynthesis, they still perform cellular respiration in virtually the same way. Plant cells are the producers of glucose, and animal cells are the producers of oxygen, these are both reactants in the process of cellular respiration. The products of cellular respiration include carbon dioxide and water. The plant cells are consumers of animal cells waste products.
Explanation:
Claim: Both plants and animals perform cellular respiration
It is Uranus.
Its spin axis is tilted at 98 degrees.
Basically, it spins on its side.
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