Med. Term. Review 8 Word Scramble
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Question | Answer |
meiosis | process by which a spermatocyte reduces the # of chromosomes in its nucleus to 23 or half the normal # to create gametes. |
mitosis | process by which most body cells reproduce. 46 chromosomes duplicate, split, and create 2 identical cells each with 46 chromosomes. |
golgi apparatus | curved stacked membranes that process and store proteins until they are released by the cell (makes lysosomes) |
lysosomes | small sacs that contain powerful digestive enzymes to destroy bacterium or virus that invades the cell |
endoplasmic reticulum | network of channels in cytoplasm that transports materials. Site of protein, fat, and glycogen. |
cytoplasm | gel-like substance that fills the cell |
organelles | dissolved substances and different structures in cytoplasm |
messenger RNA | duplicates the information contained in a gene and carries it to the ribosome where it is used to assemble amino acids to make a protein molecule |
mitochondria | capsule-shaped structures with sectioned chambers that produce and store ATP, a high energy molecule obtained from the metabolism of glucose. |
What does glucose do in the cell? | Converts ATP to ADP to release energy for cellular activities. |
nucleus | large, round, centralized structure that is surrounded by a nuclear membrane. (controls all activities that occur within the cell) |
nucleolus | round, central region within the nucleus. Produces RNA & ribosomes |
ribosomes | granular structures in the cytoplasm and on the endoplasmic reticulum. Contains RNA and proteins and are the site where proteins are produced. |
chromosomes | paired structures within the nucleus. Each cell nucleus contains 23 pairs of chromosomes, total of 46 chromosomes. (1 from mother, 1 from father in each pair) -- made up of one long DNA molecule. |
gene | one segment of a DNA molecule that contains enough amino acids pairs to provide the info. to provide one protein molecule. |
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