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What term describes DNA in G1 phase? Chromatin
What happens to the DNA in S Phase? What is DNA called? Doubled, duplicated, copied Chromatin
What happens to DNA in G2? What is DNA called at the end of this phase? DNA is coiled, condensed, and joined to its duplicate Duplicated chromosome Label the centromere. Label the sister chromatids
What happens to centrioles and everything else in the cytoplasm during G2 phase? Centrioles double Everything doubles
How would you describe sister chromatids? Joined, identical chromosomes
What is the first phase of mitosis? prophase
What happens to the nuclear envelope during prophase? dissolves
What is produced from the centrioles during prophase? Spindle Fibers
Where do spindle fibers attach to chromosomes? centromere
What happens by the end of prophase? Centrioles have moved to opposite poles Spindle fibers have attached to the centromere of the duplicated chromosomes
Name the second phase of mitosis. Metaphase What does “meta” mean? middle
Where do chromosomes align themselves during metaphase? At the equator
Name the third phase of mitosis. Anaphase What does “ana” mean? To separate
What marks the beginning of anaphase? Spindle fibers begin to separate duplicated chromosomes (sister chromatids)
What do we call the DNA being pulled towards the poles? Unduplicated chromosomes
Name the fourth phase of mitosis. Telophase What does “telo” mean? The end
What marks the beginning of telophase? Unduplicated chromosomes have reached the poles
What happens to chromosomes during telophase? Contained inside the nuclear membrane
What happens to spindle during telphase? Break down
What happens to the nuclear envelope during telophase? Two new nuclear envelopes form
How many nuclei are produced after mitosis? How many cells? 2 nuclei 1 cell
What happens during cytokinesis? Everything outside the nucleus in the cytoplasm split into two separate cells
The cell cycle and mitosis
Cell Cycle IPMATC.
Unit 3 Part 2 – The Cell. PROKARYOTIC CELLSEUKARYOTIC CELLS No nucleus. No membrane bound organelles. (ex. mitochondria, vacuole, chloroplast) A.)
What’s happening and where are things moving to?
PROPHASE METAPHASE ANAPHASE TELOPHASE. Chromosomes condense and nucleoli disappear Each duplicated chromosome becomes visible as distinct sister chromatids.
MITOSIS the key to growth.
How are elephants able to grow to such a large size?
Cell Division Mitosis. Chromosomes Eukaryotes Found in the nucleus Contain most of the genes Made up of two sister chromatids, joined by a centromere.
The cell cycle Mitosis is only one section of the life cycle of a cell. Interphase is the main part of the cell cycle. This is where DNA is replicated.
KEY CONCEPT Cells divide during mitosis and cytokinesis.
What do they do? Stages What’s Going on? What is It?
_dnadivide/ Cell Growth Mrs. Harlin.
Review of Cell Cycle I play music at the club. Name the 3 Parts of the Cell cycle 1) Interphase: Gap 1 : growing, carying out normal cell function. Synthesis:
Phases of the Cell Cycle Interphase and Mitosis. Interphase G1 : Cell Grows G1 : Cell Grows S : DNA is copied (to produce a diploid # S : DNA is copied.
Review What is the cell cycle? What are the two stages of the cell cycle? Why do cells need to divide?
Mitosis Drawing Draw, color, and label: –The life cycle of a cell including Interphase, Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis. –Make.
The Cell Cycle Cell Division.
Cells divide during mitosis and cytokinesis. Cells that make up the “body” of an organism 2.
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