The thermal death time in an autoclave at 121oC for a microbial culture was thirteen minutes. The thermal death time for another sample of the same culture in a hot-air oven at 121oC was twenty-one minutes. Use your knowledge of what thermal death time measures to identify which method of heating was more effective against this microbial culture.

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

i think its white blood cells

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the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.