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Which concept explains why mitochondria, nuclei, and chloroplast have double membrane?

Which of the following statements best describes one major difference between prokaryotic cells and eukaryotic cells? 

Which feature of phospholipids is the most critical to their ability to form bi-layers in cell membranes?

In a fat, three fatty acids joined together by glycerol in known as a triglyceride.

Which of the following organelles is where most of the DNA is stored?

Which organelle is associated with ribosomes?

Which of the following organelles is more predominate in a plant cell versus an animal?

A 3.54 g sample of a certain diatomic gas occupies a volume of 3.30-L at 1.00 atm and a temperature of 45°C. Identify this gas.

What volume is occupied by 21.0 g of methane (CH4) at 27°C and 1.25 atm?

What protects workers from exposed to splashing and splatter of body fluids?