Which of the following statements is true? the human eye can perceive a wide range of electromagnetic radiation wavelengths. in bright light, the iris of an eye will dilate the pupil. light is created by vibrations in electric and magnetic fields. all of the above.

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Describe two recent or ongoing space missions.