Bio principles unit 2 brooks questions and answers graded A+

Bio principles unit 2 brooks questions and answers graded A+ all organisms are made of cells and come from cells Cell theory When the cell size (INCREASES or DECREASES), the membrane gets smaller compared to cell volume. increases the study of cells Cytology "how can cork float" Took sections, looked under microscope and found that they had tiny chambers (aka cells) Robert Hooke Part of electromagnetic spectrum via sun, delivering energy that can be recorded as wavelengths (convert into color - ROY G BIV: red, orange, yellow, green, blue, indigo, violet) Light (microscope) However, there is no use for light microscope because there are also ________ wavelengths (ultraviolet) shorter Uses electrons Cannot take pictures of electrons because they are too small and too fast Electron microscope Bombards organism with electrons, shape will determine where electron is SEM (scanning electron microscopy) iii. Other way is to put thin slices under microscope, which will allow more electrons to pass through TEM (transmission electron microscopy) Cells are made up of smaller components called _____________. organelles Why are most cells small? compactness (to maximize surface area to volume ratio for regulating the internal cell environment) _____ surface area for a cell allows cell to take in more nutrients and carry out wastes and for cell transport to be maximized More (surface area) The smaller the cell, the ________ the surface area larger The smaller the cell, the larger the surface area, except for ______: To hold more nutrients, the host cell of the