Chapter 4 (Mastering Biology)

Resolution is the

Ability of an optical instrument to show two close objects as separate.

The nucleus of a cell

Contains DNA

What mitochondrial feature enhances cellular respiration?

Cristae

Which of the following are stored in the lysosomes of the cell?

Digestive enzymes

Which of the following organelles is found only in animal cells and NOT in most plant cells?

Lysosomes

Which of the following cell structures are associated with the breakdown of harmful substances?

Peroxisomes

Which organelle is involved in the catabolism of fatty acids and the detoxification of alcohol?

Peroxisomes

The Golgi apparatus

Stores, modifies, and packages proteins.

Your intestine is lined with individual cells. No fluids leak between these cells from the gut into your body. Why?

The intestinal cells are bound together by tight junctions.

What do the rough endoplasmic reticulum, Golgi apparatus, and lysosomes have in common?

They are constructed of interrelated membranes.

If you wished to clearly observe the organelles inside of a white blood cell, which type of microscope would you choose?

Transmission electron microscope