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1) Most of the cells are very small. What physical and metabolic constraints limit cell size?
2) What problems would a huge cell encounter?
3) What adaptations might help a very large cell to survive?
These regions are in brief explored.
The protein produced by Huntington's disease (huntingtin) interferes with general transcription factor (called CBP) and prevents it from binding the promoter. CBP activates genes involved in cell survival. i) Which step ...
Over half of the body's glucose is metabolized in the brain. Very few of the alternate fuels are used in the brain, but are commonly used by other parts of the body. Muscles increase their use of glucose with increasing ...
Recent scientific and public policy discussions have focused on some natural and man-made substances, external to the body, and whether or not these substances interact with the endocrine system. The topic of "endocrine ...
Trace the path of a sperm out of the male body and the path of a sperm into the female body to an oocyte.
Contrast the different types of stem cells, including pros and cons of each.
Generally, aneuploidies are caused by the impaired assortment of chromosomes during meiosis. For example, they are caused when the homologous chromosomes of pair 21 do not separate and, therefore, gametes with two chromo ...
Please provide an answer and your supporting explanation/reasoning for one of the following questions: 1. What is the epigenome? 2. Why is important to study it?
What percentage of the DNA changes that occur and one cell in one year escape the proofreading and repair process calculate this in both cases: if one mutation accumulates in one sale per year and if five mutations accum ...
In a plant, the allele that results in violet flowers (V) is dominant to one that results in white flowers (v); at another locus, the allele that makes prickly seed capsules (P) is dominant to one that results in smooth ...
Should humans restore natural ecosystems disturbed by natural events, such as a hurricane or volcano? Why? What if a species is likely to go extinct if the ecosystem is not restored? What is an example?
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