Which one of the following is a characteristic of a metal?
a. changes the color of litmus paper to red
b. conducts heat readily
c. becomes negative when combined with other elements
d. reacts with bases to produce salts

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Which is one example of a phenotypic change that is not genetic

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.