Why must matter be recycled on earth

What chemical elements are found in all protines

Where do the instructions for making proteins come from? A. mitochondria B. the nucleus C. smooth ER D. rough ER

What causes a repeating pattern of day and night? The Earth rotates on its axis over 24 hours. The Earth orbits, or revolves, around the sun. The sun changes its position around the Earth.

How the structure of complex carbohydrates such as starch makes them suited for energy storage?

This biomolecule has the elements Carbon, Hydrogen, and Oxygen in a 1 to 2 to 1 ratio A.) Carbohydrates B.) Lipids C.) Proteins D.) Nucleic Acids

During a trip to Galapagos island which Observation led Charles Darwin to suspect that organisms change over time

Prudence and Charity are twins raised at the center of a rotating kingdom. Charity goes to live at the edge of the kingdom for a time and then returns home. Discuss which twin is older when they rejoin.

Sue has normal hearing but her sister suffers from deafness determined by a rare recessive allele. what is the probability that sue's phenotypically normal daughter is heterozygous for the gene?

Describe two factors that cause variations in climate?

A demonstration is performed during a lecture on muscle physiology in which a student is asked to fully extend his right arm with the palm up. Two large textbooks are placed on his palm, one at a time.