Giving 30 points. (will mark brainliest if correct.) a scientist observed a certain type of a particular bacteria growing in a substance that had a 1,000 times higher amount of the antibiotic that targets this bacteria. using complete sentences, justify the observation based on your knowledge of natural selection.

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

What materials must dams have to produce electricity, and what must occur?

This problem has been solved! see the answerfor aerobic respiration, a variety of substances must be in a state of influx across the inner membrane. assuming a brain cell in which glucose is the sole energy source, indicate for each of the following substances whether you would expect a net flux across the membrane and if so, how many molecules will move in which direction per molecule of glucose catabolized.- electrons-pyruvate-oxygen-atp-adp-a cetyl coa-glyceral-3-phosphate-nadh-fadh2 -oxaloacetate-water-protons