Quizlet Science PSSA

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  1. Organelles: the tiny peices inside a cell
  2. alleles: copies of a gene
  3. cell membrane: controls movement in and out of the cell
  4. cell wall: Only in plant cells- protects the plant cell, and gives it shape
  5. chloroplasts: contain chlorophyll in a plant cell
  6. cytoplasm: think fluid that holds all of the parts of the cell
  7. endoplasmic reticulum: transports materials in the cell
  8. genotype: when you find out which sets of genes you have from your parents
  9. heterozygous: 2 different alleles for a trait
  10. homeostasis: making the inside enviroment the same
  11. homozygous: two identical alleles for the same trait
  12. mitochondria: energy makers / powerhouses of the cell
  13. multicellular: made up of more than one cell
  14. nuclear membrane: encloses and protects the nucleus
  15. nucleus: control center of the cell
  16. organ systems: organs put together
  17. organs: tissues put together
  18. pedigree: tracing a gene back from generation to generation (a family tree of your genes)
  19. phenotype: the outside expression of a gene (what you look like)
  20. ribosomes: make the enzymes that produce proteins for the cell
  21. tissues: cells put together make up these
  22. unicellular: one cell
  23. vacuoles: contain fluid and coloring for the cell