You work for a company that manufactures food products. a new "wonder food" is being distributed by a rival company. the researchers in your company determine that the "wonder food" contains only carbon, oxygen, and hydrogen. at this point, your researchers can say with certainty that the food: group of answer choices a) includes proteins. b) could only be made of carbohydrates. c) could only be made of triglycerides. d) does not include proteins or nucleic acids.

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein.b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid.c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane.d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.