Uncategorized

Q1. Sometimes, cDNAs turn out to be “monsters”; that is, fusion of DNA copies of two different mRNAs accidentally inserted adjacent to each other in the same clone. You suspect that a cDNA clone you have isolated from a human heart library is such a monster since the series of […]

Insulin is composed of two protein chains, the A chain, which has 21 amino acids, and the B chain, which has 30 amino acids. The protein is synthesized as a larger precursor molecule in which the following segments of the molecule are found, in order: signal chain + A chain […]

Mitochondria certainly do show the markers of a being a cell within a cell.  They have their own DNA and transcriptional machinery, they divide on their own, they have their own ribosomes, etc.   However just because they have these things does not mean they are derived from some prokaryotic […]

In essay form and at least 300 word Scientific content (accuracy; fact-supported; clarity; relevancy; paraphrased, i.e. no quotations). there has to be 6 or more in-text citations. What is the exoskeleton of an organism in the Phylum Arthropoda composed of? Is a horseshoe crab more closely related to a crab […]