BIO 101 Midterm
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57 questions
| 🇬🇧 | 🇬🇧 |
| If a fellow student told you that he had an animal cell under the microscope, the presence of what would tell you that he was wrong? | Central Vacuole |
| A plant's central vacuole functions in | Storing water, sugars, and ions |
| If you found many misdirected proteins in a cell, you would suspect a malfunction in the lysosome. | False |
| Select the membrane molecule that is made up of a polar region with two nonpolar fatty acid tails. | Phospholipids |
| When molecules move through a cell membrane from an area of greater concentration to an area of lesser concentration by way of a carrier protein, it is called | Facilitated diffusion |
| ________ function in the collection, packaging, and distribution of molecules made in the cell. | Golgi bodies |
| Choose the statement that is true about DNA. | All the above |
| The bases of RNA are the same as those of DNA, with the exception that RNA contains | Uracil instead of thymine |
| The bases of the two DNA chains are linked in the middle of the molecule by ________ bonds. | Hydrogen bond |
| The building blocks of DNA are called | Nucleotides |
| Duplication of DNA occurs | During prophase 1. |
| Diploid Daughter cells are | Not a uniques feature of meiosis |
| Prokaryotic cells are divided by what | Binary fission |
| Genetic recombination is the result of | Independent |
| If asked whether a cell was in prophase I or prophase II, you could diagnose the former by finding | The spindle forms |
| Eukaryotic cells cylce is divide into 3 distinct phases | Interphase mitosis and cytokinesis |
| In anaphase I ________ separate, and in anaphase II ________ separate. | Chromatids; haploid cells |
| In humans, gametes are ________ and somatic cells are ________. | Haploid; diploid |
| The pairing of homologous chromosomes all along their lengths | Only occurs in mitosis |
| The process of independant assortment refers to. | Whether sexual or asexual reproduction will occur |
| The purpose of meiosis I is | To separate sister chromatids. |
| Why is crossing over not possible in meiosis II? | Because homologous chromosomes are no longer in the same cell. |
| After duplication, sister chromatids remain joined together | By the centromere |
| During metaphase | Chromosomes line up on the equatorial plane. |
| During which phase of the cell cycle is DNA synthesized? | S phase (Interphase) |
| During which stage of mitosis do replicated chromosomes condense and the nuclear envelope disappear? | Prophase |
| Replicate copies of each chromosome are called ________ and are joined at the ________. | Sister chromatids; centromere |
| The proper sequence, beginning to end, for the stages of mitosis is | Prophase, metaphase, anaphase, telophase |
| The spindle is | The network of protein cables that will pull the chromatids to opposite ends of the cell. |