Biology, 04.02.2020 15:44 liliaboop9325
Astudent wants to determine his maternal lineage. he swabs his cheeks to isolate mitochondrial dna, adds it to a solution of chelex and uses pcr to amplify a target sequence. why was chelex used? select one: a. since dnaases use magnesium as a cofactor, chelex binds to all the magnesium ions in the cheek cell extract to prevent dna degradation. b. chelex inhibits dnaases directly to prevent dna degradation in the cheek cell swab. c. chelex is an enzyme that greatly increases the rate of the pcr reaction. d. using chelex increases the chances that pcr will occur. e. chelex will prevent the dna from melting at high temperatures.
Answers: 3
Biology, 22.06.2019 02:30
The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community
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Biology, 22.06.2019 08:50
Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity
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Biology, 22.06.2019 13:00
What is the one part of the nucleotide that differs among the other different nucle tides?
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Biology, 22.06.2019 13:00
How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans
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Astudent wants to determine his maternal lineage. he swabs his cheeks to isolate mitochondrial dna,...
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