# BIOLOGY 1A03 Study Guide - Final Guide: Actual Size, Error Bar, Starch

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Convert 450 000 microliters (ul) into liters (l) Under medium power, you measured a cell to be 14 ocular units in length. You viewed a cell under low power (4x objective) and, using the calibrated ocular micrometer, you determined that it was 75 micrometers in length. The cell, in your drawing, was 12cm in length. The diameter of the field of view using the high power (40x) objective is 0. 35 millimeters (mm). Provide your answer in micrometers (um), rounded to the nearest whole number. You viewed a cell under medium power (10x objective) and, using the calibrated ocular micrometer, you determined that it was 35 micrometers in length. The cell, in your drawing, was 12 cm in length. Provide your answer in ratio format, as drawing size:actual size, where drawing size is rounded to the appropriate number of sig figs and actual size is equal to 1 (ie. 1000:1).