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Chapter 3 and 4 Pre
Anatomy and Physiology
| Question | Answer |
|---|---|
| CHAPTER 3 | |
| The three major components of the cell membrane are | Lipids and proteins |
| The three major parts of a cell are | The nucleus, cytoplasm, and cell membrane |
| Chromosomes duplicate during | Interphase |
| Which of the following correctly describes the structural organization of the cell membrane? | A bilayer of phospholipid molecules in which protein are embedded and can move |
| A hypotonic solution | Has a lower concentration (number) of impermeant solute than do the cells in the solution |
| If cells placed in a solution shrivel up, the solution is_____. | Hypertonic |
| An isotonic solution | Has the same osmotic pressure as the cells in the solution |
| Stages of the cell cycle unfold in the following order: | Interphase, mitosis, cytoplasmic division, differentiation |
| If a red blood cell is placed in a hypotonic solution, | The cell will swell and may eventually burst |
| Osmosis is the movement of | Water through a selectively permeable membrane to a solution containing a higher concentration of impermeant solute |
| The nucleolus contains | RNA and protein |
| CHAPTER 4 | |
| If one strand of DNA has the sequence TCAGGCTATTCCCG, then the complementary sequence of the strand is | AGTCCGATAAGGGC |
| The term catabolism refers to | Chemical reactions that release energy |
| A molecule that is storage form of carbohydrate is | Glycogen |
| The term anabolic metabolism refers to | Biochemical reactions that synthesize compounds |
| ATP is important to the cellular processes because it | Provides energy for cellular work when the terminal, high-energy bond is broken |
| Transcription yields protein and translation produces RNA | False |
| The codon that will signal where to begin making a polypeptide is ____. | AUG |
| A peptide bond forms between | Adjacent amino acids |
| The term metabolism refers to | All of the chemical reactions in a cell |
| The two strands of DNA molecule have opposite orientation | True |
| A DNA molecule is a double helix in which A pairs with C and T pairs with G | False |