What are the three types of authotroph

There are 500 sheets of printing paper in a pack. Juan notes that the thickness of 500 sheets is 1.3 inches. The thickness, in inches, of a single sheet is given by the expression A) 1.3 divided by 500 B) 1.3+500 C) 500x1.3 D) 500divided by 1.3

biomes that are found near the equator or near mountain ranges and have high relative humidity and lots of rain are called

When a plant seed first starts to grow, what would happen if the cells did not differnciate?

Which polymer serves as the information storage molecule for cells? protein nucleic acid carbohydrate lipids?

When does diffusion stop

What is a protein that is the main component of the thick filaments in muscle fibers and is responsible for muscle contraction? actin myosin actin and myosin nerve and bone

Which substance is a nucleic acid

if the activation energey required for a chemical reaction were reduced what would happen to the rate of the reaction?

Which of the following is a function of the motor division of the nervous system? A) providing sensation of the internal and external environments B) integrating sensory information C) coordinating voluntary and involuntary activities D) sending

What are the 3 portions of the brain stem and what do each do?