Which of the following best explains the difference between passive and active transport across cell membranes?
a. Passive transport does not require chemical energy to occur, active
transport requires energy (such as ATP).
b. Passive transport happens only in water, while active does not require
water.
C. Passive transport moves larger particles, active moves smaller molecules.
D. Passive transport allows whole particles to move, while active breaks
apart particles before they pass.

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards. the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

All of the following statements about enzymes are correct except: proteolytic enzymes are also known as proteases. pectin methyl esterase causes browning of cut fruit. cloud loss in orange juice is due to enzyme activity. proteolytic enzymes in fish cause tissue softening during storage.

If the charge that enters each meter of the axon gets distributed uniformly along it. true or false