Glass fragments have a sharp melting point.
a. true
b. false
b. false
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What is the result of mitosis? a. New genetic combinations
b. Fewer offspring produced each generation. c. Better adaptability to new environments. d. Offspring that are more adaptable than the parents. e. Offspring that are genetically identical to the parents.
You are a forensic technician working on a DNA sample obtained from a crime scene. Your job is to compare the unknown DNA sample with known DNA samples collected from five different suspects. Preliminary analysis using only a few DNA markers revealed that the unknown sample could possibly match two of the suspects. After consulting the case file, you find out that these two suspects are brothers (but not twins). You realize that you will have to do a more detailed analysis on the samples so that you can distinguish between the brothers and determine which brothers' DNA matches the unknown sample.Why can't you use mitochondrial DNA to distinguish between these two suspects?
A. The brothers share the same mitochondrial DNA. B. The sequence of mitochondrial DNA has not yet been determined. C. Because mitochondrial DNA is inherited in a paternal pattern. D. There are no molecular techniques available that allow one to analyze mitochondrial DNA.
Another term for a lysogenic phage is a (temperate/latent/prophage) phage.
Fill in the blank(s) with the appropriate word(s).
Cell theory states that
A) all living things are made of many cells. B) cells can be created from molecules spontaneously. C) all living things are composed of cells and that all cells come from other cells. D) cells make up living and nonliving substances.