12 Which of the following instruments is best used to create a three-dimensional image of a cell's organelle?
F. a computer's digital camera
G. a compound light microscope
H. a scanning electron microscope
I. a transmission electron microscope

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

How does the molecular clock work? a. it analyzes the brain functionality of two different species. b. it examines and compares the physical characteristics of two different species. c. it illustrates relationships between two different species. d. it compares the number of mutations that exist in the dna of two different species.

Me the formula cacl2 represents the compound