Which virus is correctly matched with its structure?

A. HIV-helical shape

B. polio-polyhedral shape

C. Ebola-complex shape

D. bacteriophage-enveloped shape

Which organelle is the store house for most of a cells genetic information

Suppose you made the observation that bees seem to prefer a yellow flower that produces abundant amounts of pollen and nectar over a purple flower that produces less pollen and nectar.

What are the two ultimate sources of energy for all the living things on Earth?

Which type of biological macromolecule is a new drug most likely to be? A. Nucleic Acid B. Protein C. Carbohydrate D. Lipid

Briefly explain the causes and effects of acid precipitation.

Which of the following is a result of a change in pressure? A. Oxidation B. Exfoliation C. Frost wedging D. Chemical feathering

Which type of relationship exists between the birds and the tree

What is one way that humans depend on the Earth's oceans? A Most energy that humans use is provided by the oceans. B. Human-made goods must be delivered on the oceans. All human fun activities occur on the oceans. D.

What type of energy is needed for active transport

If a genetic mutation occurs in the phenotype of individual, what must be true for the new phenotype to be inherited by the offspring of the individual? The mutation must be beneficial. The mutation must be on a recessive allele.