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In the video on the effect of exercise on cells, it was pointed out that people who exercised regularly had younger cells. The researchers looked for a marker in volunteer’s blood. They found “strands” and surmised that, “the longer these strands, the younger the cells”. 1. What are the “strands” […]

During a heart attack, blood flowing to the heart muscle is interrupted by blockage of a coronary artery. How would you expect the metabolism in the heart to change? A. oxidative phosphorylation would slow down in the mitochondria B. the rate of production of lactic acid would be stimulated C. […]

Q. Consider two X-linked loci, A/a and B/b. The A locus controls hair colour, with (in males) AY= red-heads, aY = yellow hair. The B locus controls baldness, with BY = bald, bY = full head of hair. Females with genotype AB/ab are crossed to random males. If the A […]

1. How are the networking needs of a Small-Business different than a Large-Enterprise? What types of equipment differ between these types of networks? Suppose a CEO for a small-business liked your network design, but wanted to go with cheaper, more inferior equipment based on another recommendation. What would you tell the CEO? […]