click below
click below
Normal Size Small Size show me how
Anayelli
Human Physiology Week 3
| Question | Answer |
|---|---|
| If oxygen is available, the pyruvate molecules formed by glycolysis are prepared to enter the next phase of aerobic cellular respiration, called the | citric acid cycle |
| In the electron transport system, the final electron acceptor is | oxygen |
| Diffusion can be defined as | the net movement of molecules from a region of higher concentration to a region of lower concentration |
| Replication of DNA occurs in which phase of interphase? | S phase |
| Water pressure that develops in a solution as a result of osmosis into that solution is called _____ pressure. | osmotic |
| Transcription can best be described as the | synthesis of mRNA |
| A chemical that reduces the amount of activation energy needed to start a chemical reaction is a(n) | catalyst |
| The cell process in which microorganisms or other large particles are engulfed is called | phagocytosis |
| Diffusion moves | down a concentration gradient |
| The component that distinguishes one nucleotide from another is the | nitrogen base |
| If red blood cells containing 10% solute are placed in a solution containing 10% solute, what will happen? | Water will move into and out of the cells at equal rates. |
| Glycolysis occurs in what part of the cell? | cytoplasm |
| In which stage of mitosis do chromosomes move to the opposite ends of the cells along the spindle fibers? | anaphase |
| Osmosis can be defined as | the net movement of water molecules from a region of lower solute concentration to a region of higher solute concentration. |
| The result of meiosis is | four daughter cells that are haploid. |
| The two processes of protein synthesis are | transcription and translation. |
| The total number of 46 chromosomes per cell is referred to as _________ number. | diploid |
| A molecule or other agent that alters enzyme function by changing its shape is called a(n) | allosteric effector |