HELP,
why two turns of the Krebs cycle are needed for each molecule of glucose ?

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?