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Which of the following statement(s) regarding the Social Security system are true? I. Social Security, like private pension plans are considered to be funded plans. II. Private pensions plans are partially funded and partially unfunded. III. Unfunded plans are retirement plans where payments collected from today’s workers are invested in order to pay future benefits. IV. The promises of a private pension plan are backed by the actual assets held by that plan. However, the promises of Social Security are backed by the policies of government.

Ninhydrin reacts with lipids in fingerprints and turns purple.

Match the toxin to the system in the body it affects:

Which of the following can you NOT tell from analysis of hair?

How many liters of blood does the human vascular system typically hold?

Which of the following is NOT considered a heavy metal poison?

IN PCR, DNA is first separated by addition of acids to break the hydrogen bonds that pair the nucleotides in the double helix.

Which of the following heavy metals is a liquid at room temperature?

When separating double stranded DNA for analysis, the more G-C pairs there are the longer it takes because G-C regions have more of what than A-T pairs?

Hair and fingernails are composed of the same primary chemical component keratin.