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Flattened sacks of membranes apparently involved in the packaging and export of molecules synthesized in the cell are known as

Glycoproteins and glycolipids are examples of _______ associated with the cell membrane.

The distinctive feature of chloroplasts is that they contain a green pigment called

The cell theory states that all of the ________ on earth are individual cells or collections of cells.

Both active transport and facilitated transport utilize specific ______________ proteins embedded in the cell membrane.

Liver cells secrete most blood proteins. What organelle is particularly abundant in liver cells?

While water continually orients phospholipids into a lipid bilayer, it does not fix the lipids permanently into position. Thus, the bilayer is considered to be _______ in nature.

Which of the following is NOT a distinguishing characteristic of prokaryotic cells?

The delivery system of eukaryotic cells called the ______ can collect, package, modify, and transport molecules.

In eukaryotes, mitochondria are the organelles primarily involved in