An organism that produces its own food by photosynthesis must be placed in

A student conducts an experiment to see how music affects plant growth. The student obtains four identical plants Each one is polted in the same type of soil and receives the same amount of sunlight and water each day Plant A listens to classical

A person had an infection of his Peyer's patches and developed intestinal cancer. How could these two events be related?

metalloids are useful as semiconductors in modern electrons, like smartphones. Which feature of a smartphone is made possible by metalloids

What does DNA contain A. the chromosomes that build proteins B. the coded blueprint C. the ability to translate RNA code D. the factors for heredity called alleles

1. What is the role of DNA in human Reproduction?

What is the complementary base of adenine in DNA? guanine cytosine thymine uracil

Fish in a marine environment must maintain a relatively constant ion concentration in their tissues and blood. How do the chloride cells in the gills aid fish in the removal of excess ions? A.

Name three groups of plastic sedimentary rocks

A section of DNA that carries enough information to make a single protein is called a (an) A. codon. B. enzyme. C. gene. D. intron.

During the winter months, water on the surface of a pond will typically freeze and this ice acts as an insulator for the water beneath it. As a result, aquatic life is able to survive during the cold winter.