What is the purpose of using genetic engineering to develop edible vaccines? O to make vaccines that are capable lasting years in the body to prevent future infections
O to diminish negative side effects that may occur from administering vaccines with syringes
O to enhance the flavor of vaccines so people are more likely to use them
O to prevent widespread diseases in developing countries without using syringes

Which macromolecules are polymers made of nucleotides (a) fatty acids (b) nucleic acids (c) carboxylic acids (d) amino acides

The body is protected against harmful flu viruses by

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.