An effective vaccine does not exist for the common cold, because

Which element is the basis for the macromolecules found in living things?

You have a plant with yellow flowers and a tall stem. Unfortunately, it is wilted because you forgot to water it. a.

Which planet follows venus in the sequence of planets orbiting the sun? a. earth b. jupiter c. mars d. saturn

In fruit flies the allele for long wings (L) is dominant and the allele for short wings (l) is recessive. What is the likely genotype of a fruit fly with short wings? A. Either LL or Ll B. Either Ll or ll C. Only LL D. Only ll

The superior and inferior vena cava return blood from the body to which chamber of the heart? a. left atrium b. left ventricle c. right atrium d. right ventricle

The geographical processes that shape earths features today

Researchers working with Rob Dunn set out to collect and identify microbes found in belly buttons. When the researchers began identifying these microbes, they found that the microbes represented a wide range of metabolic activities.

Which of the following facts about the ocean water indicates that the ocean is a major resource of nutrients?

How do fossils and fossil record support the idea that life changes over time

How are organisms in the domains Bacteria and Archaea similar? A. They are protists. B. They are ancestors of eukaryotes. C. They have membrane enclosed organelles. D. They lack a nucleus.