Students are discussing the collaboration of several scientists to discover DNA. Which scientists were credited with discovering the double helix shape of the DNA molecule? A . Mele and Purohit
B. Watson and Crick
C. Wilkins and Franklin
D. Penn and Teller

it should be briana that has it to me

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.