Chapter 1, Problem 9Q

A.

Summary Introduction

To explain: The hereditary information of a cell is passed on by its proteins.

B.

Summary Introduction

To explain: Bacterial DNA is found in the cytosol.

C.

Summary Introduction

To explain: Plants are composed of prokaryotic cells.

D.

Summary Introduction

To explain: All cells of the same organism have the same number of chromosomes (with the exception of egg and sperm cells).

E.

Summary Introduction

To explain: The cytosol contains membrane-enclosed organelles, such as lysosomes.

F.

Summary Introduction

To explain: The nucleus and mitochondria are surrounded by a double membrane.

G.

Summary Introduction

To explain: Protozoans are complex organisms with a set of specialized cells that form tissues, such as flagella, mouthparts, stinging darts, and leg-like appendages.

H.

Summary Introduction

To explain: Lysosomes and peroxisomes are the sites of degradation of unwanted materials.