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unit vocabulary words

Across
A substance or agent that can cause cells to become cancerous by altering their genetic structure so that they multiply continuously and become malignant.
A form of reproduction that does not involve meiosis, ploidy reduction or fertilization, and the offspring is a clone of the parent organism;because of no exchange of genetic material
The spread from one part of the body to another.
a substance, such as a vitamin or hormone, that is required for the stimulation of growth in living cells
series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells.
the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells
a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
when replicated chromosomes are separated into two new nuclei.
a tumor that may invade its surrounding tissue or spread around the body.
the second stage of cell division, between prophase and anaphase, during which the chromosomes become attached to the spindle fibers
the death of cells that occurs as a normal and controlled part of an organism's growth or development.
a tumor that does not invade its surrounding tissue or spread around the body.
Down
the stage of meiotic or mitotic cell division in which the chromosomes move away from one another to opposite poles of the spindle
the region of a chromosome to which the microtubules of the spindle attach, via the kinetochore, during cell division.
A type of asexual reproduction common among prokaryotes wherein a cell divides giving rise to two cells, each having the potential to grow to the size of the original cell
the disease caused by an uncontrolled division of abnormal cells in a part of the body.
the final phase of cell division, between anaphase and interphase, in which the chromatids or chromosomes move to opposite ends of the cell and two nuclei are formed.
the material of which the chromosomes of organisms other than bacteria (i.e., eukaryotes) are composed. It consists of protein, RNA, and DNA.
the first stage of cell division, before metaphase, during which the chromosomes become visible as paired chromatids and the nuclear envelope disappears. The first prophase of meiosis includes the reduction division
each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA
a compound structure at the end of a chromosome.
any of a group of basic proteins found in chromatin.