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Bio 181 Lab Final Exam with Questions and Answers| Latest Update
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Bio 181 Lab Final Exam with Questions and Answers| Latest Update
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Bio 181 Lab Final Exam with Questions andAnswers| Latest Update
What is mitosis? - ✔✔Division of genetic material, aka sister chromatid
What is cytokinesis? - ✔✔Division of the cytoplasm
What is meiosis? - ✔✔Production of daughter cells with half the DNA
What is contained in the mitotic phase? - ✔✔Mitosis and cytokinesis
What is contained in interphase? - ✔✔G1, Synthesis phase, and G2
Which phase does the duplication of chromosomes occur? - ✔✔S phase
What is the G1 phase? - ✔✔Growth and development
What is the G2 phase? - ✔✔Preparation for cellular division
What is the mitotic spindle? - ✔✔Structure of fibers made of microtubules, comes out of
centrosome
What are kineochores? - ✔✔Protein structure that have assembled on specific sections of
DNA on the sister chromatids. These pull on the chromosomes
What do nonkinetochores do? - ✔✔They assist in elongation of the cell
, What is the metaphase plate? - ✔✔The midway point between the spindles two poles
What helps kineochores pull sister chromatids apart? - ✔✔Motor proteins, these make them
into tubulin subunits
What happens in the G2 phase? - ✔✔Nuclear envelope appears, two centrosomes, proteins
haven't condensed
What are the stages of Mitosis? - ✔✔Prophase, Prometaphase, Metaphase, Anaphase,
Telephase, Cytokinesis
What happens in prophase? - ✔✔Chromosomes aren't visible, nuclear envelope disappears,
centrosomes separate, and an early spindle forms
What is prometaphase? - ✔✔Nuclear envelop completely disappears, kineotocheres appear,
non koneotocheres stretch cell, microtubules appear
What happens in metaphase? - ✔✔Centrosomes go to opposite sides, chromosomes attach
to kineotocheres, the metaphase plate appears (lining up of sister chromatids)
What happens in anaphase? - ✔✔Sister chromatids separate, 2 collections of chromosomes,
cell elongated even more
What happens in telephase? - ✔✔2 nuclei form, spindle disappears, chromosomes become
less condensed, mitosis 's complete
What happens in cytokinesis? - ✔✔The cell turns into 2 daughter cells
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