Solve: Low Power magnification = 20x High Power magnification = 200x
Low Power F. D. = 6.5mm
12 cells fill the screen on High Power. What is the size of one cell in micrometers (um)?

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Name the organs of humanelemintary canal.

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?