Living organisms contain many complicated molecules. which of these is a reason that carbon is important in these molecules? a) a carbon atom can form a bond with only one other carbon atom b) carbon bonds with the lightest and smallest element c) a carbon atom can only form one bond at a time with another atom d) carbon forms both single and double bonds

Energy derived from hot rocks and fluids beneath the earth’s surface is

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna