I think all three ideas should be selected since they were all in the blue box so it seems like it’s included
Answer: sneezing or coughing over the evidence, direct sunlight on transport an storage
Explanation:
DNA evidence is contaminated when DNA from an outside source (exogenous DNA) gets mixed with DNA relevant to the case. It can happen in a variety of ways, from someone sneezing or coughing over the evidence,
C i think, i just had a quiz on this lol
Hemophilia is the result of a defective X chromosome. males have XY chromosomes; females have XX chromosomes. If a man has a defective X chromosome, he has no normal X chromosome to balance it out. Therefore, he is more likely to present hemophilia. However, a hemophiliac man's male children will all be healthy, assuming his partner is not a hemophiliac, because the defective X chromosome was not passed on. All his daughters will be carriers, though, regardless of whether their mother is a hemophiliac.
The role of enzymes in a chemical reaction is to : Lower the activation energy while increasing the rate of reaction
The graph shown on the left is an uncatalyzed chemical reaction while the graph on the right is a catalyzed chemical reaction.
Catalyzed chemical reactions have lower activation energy and a faster rate of reaction while uncatalyzed chemical reaction has a higher activation energy and a slower reaction rate. because catalyst increases the rate of a chemical reaction by lowering its activation energy.
Hence we can conclude that The role of enzymes in a chemical reaction is to : Lower the activation energy while increasing the rate of reaction
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