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When looking for a gene of interest, we often scan cDNA libraries. What is the difference between a cDNA and a genomic library? Can you think of situations in which we would probe a genomic library?
After the microarray slides were hybridized with labeled cDNAs derived from these 5 populations of RNAs, the data were analyzed by several different comparisons.
Assume that the locus is tightly linked to the centromere and that the trisomic chromosome forms a bivalent and a univalent (monovalent) at random.
Fungi play many important ecological roles. They are heterotrophic and break down organic matter extracellularity and then absorb the nutrients.
Determine the distinguishing characteristics of lichens with regard to their nutritional needs, and what are the roles of the fungus and the alga that make up lichens?
The prothalli are bisexual, free-living and photosynthetic. At maturity, the prothallus is flat and heart-shaped. Inspect the lower surface for rhizoids, antheridia and archegonia. What is the function of each of these structures.
A somatic cell of a given plant species contains threebillion base pairs of nuclear DNA and 12 functional centromeres when observed at the conclusion of stage G2 of the cell cycle.
There is a compound that resembles thymidine, but once incorporated into the chromosome blocks any more nucleotides from being added.
A forty-four year old man is recovering from third degree burns over 50 percent of his body surface area. His serum potassium level is low (2.9 mEq/L). Heexhibits postural hypotension and skeletal muscle weakness.
In humans, male pattern baldness is due to an autosomal locus where bald is dominant in males and recessive in females.
Compare DNA to a cookbook. The book is kept in a library and cannot be checked out (removed). Start with the letters and words in the cookbook compared with the bases and codons in DNA; end with the amino acid chain being folded into a protein, an..
Compare the recipes of nutrient agar and MacConkey agar. If an organism can grow on both media,on which would you expect it to grow better?
What is the possibility that differences this great between observed and expected values would happen by chance. Two genes organize in corn snakes as follows: O-B is brown snakes, O-bb are orange, oo bb are albino. An orange snake was mated to a blac..
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