Which structure is directly responsible for the formation of proteins within the cell?

How energy is conserved even though the amount of energy available decreases as you move up the pyramid?

What substances are produced by cellular respiration? A. O2 and H2O B. CO2 and C6H12O6 C. O2 and C6H12O6 D. CO2 and H2O

Compare imprinting and conditioning

A sequence of nucleotides found in the DNA of this chromosome codes for a specific protein or trait. This segment of DNA is known as a (n)

Why fresh water fishes pass large quantity of dilute urine

Which best describes a gene? A: different allele form of a trait B: tightly coiled strands of DNA C: the center of a chromosome D: a segment of a chromosomal DNA

The growth of organisms in an ecosystem can be limited by the amount of water and light the ecosystem receives. a. True b. False

What is the most likely cause of plate movement? A) radiation from the sun B) cold air currents on earths surface C) heat convection within the earth D) movement of ice sheets

The closer together a magnet's magnetic field lines are, a. the weaker the magnetic field. b. the stronger the magnetic field. c. the closer they are to the magnet's center. d. the closer they are to disappearing.

What are two things that carbohydrates and lipids have in common? A. Both contain C, H, O and N and are formed by dehydration snythesis. B. Both contain C, H, O and serve as a source of energy. C.