QUIZ
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TIME REMA
06:2
Which term describes a pure substance that is made up of only one type of atom?
matter
rock
compound
element

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

Which of the following is not a benefit of genetically modified foods? a.pest-resistant crops b.herbicide-resistant crops c.plants that do not require water?

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing