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#1 Cell Reproduction

Cell Cycle

QuestionAnswer
What are prokaryotes Bacteria
What are Eukaryotes plants and animals
how do prokaryotes reproduce asexually by binary fission
explain the process of a prokaryotes asexual reproduction (3 steps) 1. cells increase their mass 2. DNA and cell components replicate 3. Each cell divides into 2 daughter cells
How do Eukaryotes reproduce asexually and sexually
Explain the process of a Eukaryote's asexual reproduction cell division; the type of cell division provides new cells for growth and repair
what is the cell cycle for eukaryotes A cell grows and prepares for division, it divides the nucleus in two, and it divides the cytoplasm to form 2 daughter cells
What are chromosomes condensed forms of chromatid
What is a chromatid a threadlike structure of nucleic acid and protein
What is the first stage of the cell cycle and explain the first step Interphase; cell growth and DNA replication
What is the second step of the cell cycle and explain the step Mitosis; Division of the nucleus
What is the third step of the cell cycle and explain the step Cytokinesis; Division of the cell cytoplasm
What are the three phases of Interphase Growth phase (G1), Synthesis Phase (S), and Growth Phase (G2)
What happens in the Growth phase (G1) the cell increases in size and the cell prepares to copy its DNA
What happens in the Synthesis Phase (S) chromatin is copied, the cell now has 2 sets of DNA, and it is synthesizing a copy of the DNA
What happens in the second growth stage (G2) the cell duplicates organelles, it produces needed proteins and lipids, and it "stock piles" so each new cell will have what it needs
What are the three main checkpoints and when does it occur Cell Growth Checkpoint (end of G1 phase), Synthesis Checkpoint(during S phase), Mitosis Checkpoint (during mitosis)
What happens in mitosis cell growth and protein production stop
What are the four stages of mitosis 1. Prophase 2. Metaphase 3. Anaphase 4. Telephase
What happens at the first stage chromatin coils tightly and becomes visable as chromosomes. The nuclear membrane disloids, the nucleolus disappears, centrioles migrate to poles, and spindle fibers begin to form
What happens at the second stage spindle fibers form centrioles attached to each chromosome. The cell prepares to separate its chromosomes and the cell align its chromosomes in the middle of the cell
What happens at the third stage Cell chromosomes are separated and the spindle fibers shorten so chromosomes are pulled to ends of cells
What happens at the fourth stage the separation of sister chromatids are complete. Cell plate forms (plants). Cleavage furrows form (animals). Nucleus and Nucleolus reform, 2 new nuclei form with new nuclear membrane, and chromosomes uncoil and appear as chromatid
What is cytokinesis Cytoplasm is completely divided into 2 complete and indivisual cell are smaller than the original. It forms 2 new identical daughter cells
What is the result of mitosis and cytokinesis It results in the production of two genetically identical diploid cells
Describe a prokaryote It lacks a nucleus, have similar circular chromosomes and reproduce asexually
Describe a Eukayote It has a nucleus and are membrane bound organelles
Created by: bryleehart