A biologist conducts an experiment designed to determine whether a particular type of molecule is transported into cells by simple diffusion, facilitated diffusion, or active transport. He collects the following information: 1) The molecule is very small. 2) The molecule is polar. 3) The molecule can accumulate inside cells even when its concentration inside the cell initially is higher than it is outside the cell. 4) Cells use up more energy when the molecule is present in the environment around the cells than when it is not present. The biologist concludes that the molecule moves across cell membranes by facilitated diffusion. Do you agree with his conclusion?

No, this is not a facilitated diffusion but an Active transport process.

Explanation:

This is an active transport process because -

So, we can say that the whole experiment undergoes the Active transport process.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: