Exam 4: Cell Structure

The evolutionary process that created chloroplasts and mitochondria is:

Schleiden and Schwann stated the "cell theory," which in its modern form says:

You stain a cell with a dye that reacts with an enzyme found in the lysosome.You would also expect to see this dye in the:

Prokaryotic cells are smaller than eukaryotic cells.What is a plausible explanation?

During which cellular process do all three forms of RNA associate?

The major histocompatibility complex is important in a T-cell's ability to:

This cellular structure lacks a membrane:

Plants, fungi and bacterial all have:

The peptidoglycan of bacterial cell walls contains a carbohydrate matrix linked together by short chains of:

Microfilaments such as actin, microtubules, and the intermediate filaments form the cell-supporting structure called the:

A doctor diagnosis a child with adrenoleukodystrophy (ALD) a disorder in which there is an accumulation of long fatty acid chains accumulating in the cells of the central nervous system.The issues arise with malfunctions in enzymes associated with which organelle?

You have identified an enzyme that appears to be involved in the addition of palmityl group (a fatty acid) to certain proteins.Knowing that palmitoylated proteins are usually targeted for delivery to the plasma membrane, in which organelles might this enzyme be expressed?

Cilia and flagella of eukaryotic cells are composed of:

A cytologist is examining a tissue under an electron microscope.He notices that the endoplasmic reticulum of each cell is extremely rough in appearance and he knows that the rough appearance is because of the ribosomes embedded there.He asks why there are so many ribosomes.You respond,