D2.1 Biology Vocabulary Quiz Crossword
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
 
 
Down: 2) First stage of interphase when the cell grows and carries out normal functions.3) Early stage of an organism when basic structures are forming.5) Stage of interphase when DNA replication occurs.6) Production of new cells to replace damaged or dead cells.7) Motor protein that interacts with actin to produce contraction.9) Motor proteins that move along microtubules using ATP to transport structures.10) Variation in genetic characteristics within a population.12) Control point that ensures the cell only proceeds to the next stage when conditions are correct.14) Protein that DNA wraps around to form chromatin and chromosomes17) Organisms whose cells contain a nucleus and membrane-bound organelles.18) A pair of duplicated homologous chromosomes held together during meiosis.19) Stage when chromosomes reach poles and nuclear membranes reform.21) Normal gene that can become an oncogene if mutated.22) Change in DNA sequence.25) Replacement of damaged cells by cell division.26) Total number of chromosomes present in a cell.28) Period between nuclear divisions when DNA is replicated and the cell grows29) Cycle involving meiosis and fertilization to maintain chromosome number.30) Fluid inside the cell membrane where metabolic reactions occur.32) Eukaryotic cell with a cell wall, chloroplasts, and large vacuole.40) Mass of abnormal cells produced by uncontrolled division.42) Cell containing two sets of chromosomes.45) Rigid outer layer surrounding plant cells that provides support and protection.48) Disease caused by uncontrolled cell division due to mutations affecting cell-cycle control. Across: 1) A tumour that grows slowly and does not spread to other parts of the body.4) Division of the nucleus during mitosis or meiosis.8) Nuclear division producing genetically identical nuclei.11) Stage of division when chromosomes align at the equator.13) Stage when chromosomes condense and spindle forms.15) Exchange of genetic material between homologous chromosomes during meiosis.16) Process where chromatin coils and becomes compact and visible during division.20) Hollow protein tubes forming part of the cytoskeleton and spindle.21) Original cell that divides to produce daughter cells23) Tumour that grows rapidly and spreads to other parts of the body.24) Stage of nuclear division where chromosomes move to opposite poles of the cell.26) Regulatory protein whose concentration changes during the cell cycle to control progression.27) Division that halves chromosome number, as in meiosis I.31) Increase in size through cell division and enlargement.33) Condition caused by an extra copy of chromosome 21 due to nondisjunction.34) Repeating sequence in which cells grow, replicate DNA, and divide.35) Process by which one cell divides to produce daughter cells.36) Nuclear division producing haploid cells with half the chromosome number.37) Cell produced after division of a parent cell.38) Tumour formed after metastasis from a primary tumour.39) A thin protein that forms contractile filaments in muscle cells and interacts with myosin.41) Cell with one set of chromosomes.43) Region in plants where cells divide for growth.44) Eukaryotic cell lacking a cell wall and containing membrane-bound organelles such as a nucleus and mitochondria.46) Membrane-bound sac for transport or storage inside cells.47) Ratio of cells undergoing mitosis to total number of cells.49) Cell that does not contain a nucleus, for example mammalian red blood cells50) Production of female gametes in ovaries.51) Asexual reproduction where a new yeast cell forms as an outgrowth of the parent cell.52) Gene that prevents uncontrolled cell division; mutation can lead to cancer.53) Original site where cancer develops.54) Phospholipid bilayer that controls movement of substances into and out of the cell.
 

 

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