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BIOS 251 Exam 2 Review with 100 Questions and Answers 2024 £19.65
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  3. Abacus College, Oxford
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  5. BIOS 251 (BIOS251)

Exam (elaborations)

BIOS 251 Exam 2 Review with 100 Questions and Answers 2024
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Cell division in which the nucleus divides into nuclei containing the same number of chromosomes - ANSWER- Mitosis The resting phase of mitosis. Cell grows, performs its normal functions, and prepares for division; consists of G1, S, and G2 phases - ANSWER- Interphase Cells that have left the c...

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  • February 20, 2024
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  • 2023/2024
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BIOS 251 EXAM 2 REVIEW 100
QUESTIONS AND VERIFIED ANSWERS




Cell division in which the nucleus divides into nuclei containing the same number
of chromosomes - ANSWER- Mitosis


The resting phase of mitosis. Cell grows, performs its normal functions, and
prepares for division; consists of G1, S, and G2 phases - ANSWER- Interphase


Cells that have left the cycle and cease dividing for a long time (or permanently) -
ANSWER- G Zero (G0) Phase


The first gap, or growth phase, of the cell cycle, consisting of the portion of
interphase before DNA synthesis begins. - ANSWER- G1 Phase


The synthesis phase of the cell cycle; the portion of interphase during which DNA
is replicated. - ANSWER- S Phase


The second gap, or growth phase, of the cell cycle, consisting of the portion of
interphase after DNA synthesis occurs.

, Growth and preparation for mitosis - ANSWER- G2 Phase


First and longest phase of mitosis, during which the chromosomes become visible
and the centrioles separate and take up positions on the opposite sides of the
nucleus - ANSWER- Prophase


Second phase of mitosis, during which the chromosomes line up across the center
of the cell - ANSWER- Metaphase


The third phase of mitosis, during which the chromosome pairs separate and move
toward opposite poles - ANSWER- Anaphase


The final phase of cell division, between anaphase and interphase, in which the
chromatids or chromosomes move to opposite ends of the cell and two nuclei are
formed. - ANSWER- Telophase


Division of the cytoplasm during cell division - ANSWER- Cytokinesis


Cell division that produces reproductive cells (gametes) in sexually reproducing
organisms - ANSWER- Meiosis


Compare and Contrast Mitosis and Meiosis - ANSWER- Mitosis produces two
diploid (2n) somatic cells that are genetically identical to each other and the
original parent cell, whereas meiosis produces four haploid (n) gametes that are
genetically unique from each other and the original parent (germ) cell.


Number of Chromosomes in Humans... - ANSWER- 46

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