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Biology Crosswords

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Title Instructions / Description Sample Puzzle Hints Difficulty
Living Things a young plant. a part of a of a plant that contains chlorophyll, the green pigment plants need to make their food. an animal without a backbone. the basic building block of life. a cell's control center. Hard
Microbes What bacteria does to healthy cells.. The first organism to live on Earth.. Bacteria help ______ dead organisms into useful nutrients in soil.. Bacteria is identified and classified by it's ____________.. This man learned how to use heat to kill bacteria.. Hard
Microbiology Complete the microbiology crossword below. Developed in 1884 and is the most used technique to study bacteria by dividing them into two groups.. A parisite that is spread by mosquitoes that causes malaria.. A type of immunity when most of the population gets vaccinated so viruses do not get easily spread.. A zooflagellate that causes the African sleeping sickness.. An infectious virus that uses a host cell to replicate itself.. Hard
Microbiology 2 used reduced inorganic molecules as source of hydrogen and/or electrons . phase of bacterial growth curve where bacteria is actively growing; cell # increase at a steady rate. study of viruses . a symbiotic relationship in which one organism benefits and the other one is neither benefited nor harmed by the relationship. decolorizing agent in gram stain. Hard
Molecular Genetics the RNA that makes up ribosomes. nitrogenous base that replaces thymine in RNA. Discovered that DNA was the 'transforming factor' . loosely organized DNA. tightly coiled DNA . Hard
Organic Molecules & Enzymes when an enzyme no longer works because its shape is wrong . monomer of nucleic acids made up of a 5-carbon sugar. the highest point that the temp.. used for stored energy and cell membranes; made of fatty acids. protein that acts as biological catalyst. Hard
Plant and Animal Cell Organelles that capture energy from sunlight to produce food for the cell. Sac that stores water, food, waste products, and other materials. Membrane that surrounds the nucleus. Self-replicating organelle that breaks down substances. Where microtubules are made; when divided, the two parts move to opposite sides of the dividing cell . Hard
Plant and Animal Cells Makes food for a plant cell. Stores food, water, and waste. Who discovered cells?. All living things are made of. Smallest unit of life. Big
Prokaryotes an organism that can live with or without oxygen. an organism that gets its energy from chemicals taken from the environment. a bacterial capsule that is made of a fuzzy couat of sticky sugars. a protective layer of polysaccharides around the cell wall. the transfer of genetic material in the form of DNA fragments from one cell to another or from one organism to another. Hard
Symbiosis A type of symbiosis in which one species benefits and the other is harmed. A situation where symbiosis is not needed. A type of symbiosis in which one species benefits and nothing happens to the other one. The species that is harmed in parasitism. A situation in which both species would die without symbiosis. Hard
The cell A plastid containing chlorophyll, the site of photosynthesis. stores water and nutrients for the cell; very large in plant cells. a group of similar cells that carry out a similar function. That portion of the endoplasmic reticulum that is free of ribosomes. This says that all living things are made of cells, that cells are the basic unit of structure and function and that cells only come from other cells.. Hard
The Cell Cycle The second phase of Mitosis, the nuclear membrane disappears completely. The spindle fiber fully develops and attach to the centromeres of the chromosomes. Also, the chromosomes align at the center of the cell.. The Midpoint on a chromosome where the spindle fibers attach during cell division.. The combination of DNA and proteins that make up the contents of the nucleus of a cell.. A contains the replicated DNA of each individual chromosome.. The third step of Mitosis, During this time, the cell's centromeres divide and it's spindle fibers shorten. The chromatids separate and move to the opposite sides of the cell. The separated chromatids are now called chromosomes. . Hard
The Cell Cycle the phase where the chromosomes line up along the middle or equator of the cell. the center of the pair of sister chromatids. a long loose strand of DNA, usually present during interphase. when the sister chromatids separate and go to opposite sides of the cell. a fairly harmless type of cell growth in cancer. Big
The Study of Life Match the definitions with the correct vocabulary word. The scientific study of all forms of life, or all types of organisms.. Proposed answer for a scientific question.. A physical environment with different species that interact with one another and with nonliving things.. Allow scientists to test hypothesis and find out how something happens.. An inherited trait that gives an advantage to individual organisms and is passed on to future generations.. Hard
Theory of Evolution A young organism that develops from a zygote. A difference between individuals of the same species. A trait that helps an organism survive and reproduce in its environment. The gradual change in species over time. The scientist that developed the theory of evolution. Older Children
Women in the Bible A Who's Who of the Bible's Notable Females Took the shears to Samson's locks.. Aged Jewish prophetess who foretold of Jesus in the temple of Jerusalem.. Wife of Moses. Wife of Cleophas; was present at the Crucifixion.. Mistook the risen Christ for the gardener.. Hard
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