Indicate which of the following statements accurately describe channel proteins. Select all that apply.

are best suited for transport of smaller substances like dissolved gases and ions

use the energy in ATP to move substances from one side of the membrane to the other

can transport molecules in either direction depending on the concentration

work like a tunnel that allows certain substances to pass through the membrane

Which process of living things produces water that enters the water cycle

Interactions between organisms and their environment impact the organism’s overall population. the jaguar panthera onca is the largest cat in north america. it is found in areas across the southwest, including arizona, new mexico, and texas. it is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, tapirs, and many smaller mammals. which shows the relationship between the jaguar and turtles?

Dna in the nucleus carries the genetic code for making proteins in ribosomes. the diagram shows a model of dna. which part of the dna molecule codes for the amino acid sequence in the protein? a) sugar b) phosphate c) deoxyribosed) nitrogen bases