What does the figure at the right demonstrate? Diffusion osmosis selective perme

Question

What does the figure at the right demonstrate? Diffusion osmosis selective permeability cohesion What kind of transport would be able to move moleculcs from low to high concentration? diffusion facilitated diffusion osmosis active transport An exergonic reaction ____ needs the addition of energy to happen cannot occur spontaneously releases energy has products with less energy than reactants Photosynthesis is endergonic because it____ requires energy to happen does not require energy to happen creates sugar creates ADP What molecule that carries energy is used for most cellular processes? ATP ADP sugar protein Which figure represents a chemical reaction in the presence of an enzyme? A. B. What goes in to the photosynthesis reaction? carbon dioxide, sugar, and oxygen, and light carbon dioxide, water, and oxygen sugar, oxygen, and water, and light carbon dioxide, water, and light

Explanation / Answer

21. Osmosis

Movement of water from high to low concentration across a semipermeable membrane. In this figure, the water movement is from high to low concentration and thus the process is osmosis.

22. Active transport

Movement of molecules across a cell membrane in to a regiojn of higher concentration.

23. releases energy

Exergonic reaction in which energy is released by breaking less stable chemical bonds and forming a stable bonds. Occurs spontaneously.

24.requires energy to happen

Photosynthesis is endergonic reaction because energy in the form of sunlight is absorbed by green plants. This reaction requires 15MJ of energy in the form of sum light.

25. ATP

Adenosine triphosphate is a complex molecule that serves as primary energy source of the cell. The energy level it contains is required for every cellular processes.

26. B

Substrates need a lot of energy to reach the transition state which then converts into products. Enzyme acts by reducing the activation energy and thus increases the rate of reaction.

27. d

Photosynthesis requires carbon di oxide, water and light for the production of glucose and oxygen.

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