What is a cleavage furrow - Study guides, Class notes & Summaries

Diploid - A cell the contains 2 sets of chromosomes Genes - unit of heredity on the chromosomes a cavity or depression - What are Lacunae? Allels - alternate forms of a genes Anaphase 1 - Duplicated homologous partners separate and move to opposite poles of cell Animal cells have a cleavage furrow and plat cells have a cell plate - What is the difference between animal and plant cell cytokinesi Aster - Microtubules that radiate outward from the spindle By the father - How is sex determin...

Biology - Cell Cycle and Mitosis Questions and Answers Already Passed what is the cell cycle the sequence of growth and division of a cell what are the 3 general periods a cell goes through during the cell cycle Interphase Mitosis Cytokinesis what are the major events that occur during interphase the cell grows, carries out cellular functions and replicates what is mitosis when the cells nuclear and nucleus material divides where does the cell spend most of its time interphase In which phas...

Chapter 12: The Cell Cycle (Mitosis) Questions and Answers Graded A+ What are the three key roles of cell division? State each role and give an example Reproduction: an amoeba single celled eukaryote divides into two cells. Growth+Development: fertilized egg divides into two cells, beginning embryo formation. Tissue Renewal: dividing bone marrow will give rise to new blood cells What is meant by the cell cycle? the life of a cell from the time it's first formed from a dividing parent cell unt...

Mitosis steps in order latest update graded A Prophase is the first stage. chromosomes condense and become visible. Spindle fibers emerge from the Centrosomes. nuclear envelope breaks down nucleolus disappears Prometaphase second stage of mitosis., chromosomes continue to condense kinetochores appear at the centromeres mitotic spindle microtubules attach to kinetochores centrosomes move toward opposite poles Metaphase third step in mitosis. mitotic spindle is fully developed, centrosomes are a...

Biology Mitosis Latest Update Graded A the sister chromatids are moving apart anaphase the nucleolus begins to fade from view prophase a new nuclear membrane is forming around the chromosomes telophase the cytoplasm of the cell is being divided cytokinesis the chromosomes become invisible telophase the chromosomes are located at the equator of the cell metaphase the nuclear membrane begins to fade from view prophase the division(cleavage) furrow appears cytokinesis the chromosomes are mo...

BIO 101 NVCC EXAM 3 Actual Questions and Correct Solutions 2024 Eukaryotic chromatin is composed of - Answer -DNA and proteins What is produced if a cell completes mitosis but does not undergo cytokinesis? - Answer -one cell with two nuclei, each identical to the nucleus of the parent cell Humans produce skin cells by mitosis and gametes by meiosis. The nuclei of skin cells produced by mitosis will have - Answer -twice as much DNA as the nuclei of gametes produced by meiosis Compared to m...

AP Biology: The Cell Cycle and Mitosis Latest Update Already Passed Sister Chromatids Consists of two duplicated chromosomes held together at the centromeres. Where does mitosis occur? in eukaryotes What does mitosis produce? It produces cells with nearly identical genetic makeup. Purposes of Mitosis 1. It is used for the purpose of organismal reproduction in single-celled organisms. 2. It is used for the purposes of development and cell replacement in the normal growth and maintenance of th...

What are the four nitrogenous bases? Describe their orientation within the double helix (how they bind and what kind of bond links them). - correct answer Adenine, Guanine (purines), Cytosine and Thymine (pyrimidines). They form nucleotides in the double helix (BASE + PHOSPHATE + SUGAR). They are paired in a complementary arrangement and are held together by weak hydrogen bonds How does a purine differ from a pyrimidine? - correct answer Adenine and Guanine (purines) consist of 2 rings and ...

Proteins that act as catalysts; or a protein that functions as a catalyst for a chemical reaction. - correct answer -Enzymes Substances that regulate the rate of chemical reactions but do not unite permanently with reactants - correct answer -Catalysis Heat, acids, and bases break the weak hydrogen bonds holding the protein together. This ruins the unique shape of the protein in a process called....? - correct answer -Denaturation The region of the enzyme where contact is made between t...

Bio 101 Practice Test Questions and Answers asexual reproduction - Answer-the creation of genetically identical offspring by a single parent, without the participation of sperm and egg. sexual reproduction - Answer-the creation of genetically unique offspring by the fusion of two haploid sex cells (gametes), forming a diploid cell. what functions does cellular reproduction play in your body - Answer-cellular reproduction, cell division, continues to function in renewal and repair, repla...