Chapter 6, Problem 6.1AYK

1.

Summary Introduction

To describe: Three similarities and three differences between bacteria and human cells.

Concept introduction: Microbiology is the study of microorganisms. They are small living forms which are visible only with the help of a microscope. Bacteria, fungi, virus, and protozoa are the main classification of microorganisms. There are some similarities and differences between the human cell and bacterial cell. Bacterial cells are prokaryotic, whereas human cells are eukaryotic.

2.

Summary Introduction

To explain: The way by which some bacterial cells may be just as dangerous when they are dead as when they are alive.

Concept introduction: Bacteria, fungi, virus, and protozoa are the main classification of microorganisms. Bacterial cells are generally considered prokaryotic. They are single-celled organisms that do not need living tissue to live. They are classified on the basis of their shape, size, and arrangement.