Exam 3: The Cellular Level of Organization

What is the correct order of occurrence for the steps of protein synthesis? 1) mRNA is produced in nucleus. 2) Ribosome moves along mRNA 3) DNA uncoils for transcription. 4) Polypeptide is produced. 5) tRNA brings amino acids to ribosome. 6) mRNA moves to ribosome.

The intake of materials from the extracellular fluid using vesicles is called

All of the following membrane transport mechanisms are passive processes except

________ are responsible for identifying and digesting damaged or denatured proteins.

Endocytosis is a

Which of following properties of the cytoskeleton is incorrect?

If the amount of chloride ion in blood plasma increases,which of the following would initially occur?

The principal cations in our body fluids are ________ and ________.

Figure 3-1 The Anatomy of a Representative Cell Use Figure 3-1 to answer the following questions: -Which structure organizes the mitotic spindle during cell division?

A patient suffers blood loss and is given IV fluids that contain an impermeable carbohydrate called dextran,which serves to

Examination of a sample of glandular cells reveals an extensive network of smooth endoplasmic reticulum.Which of the following is the likeliest product of these cells?

Which of the following is not a function of membrane proteins?

As each codon arrives at the active site of a ribosome,it attracts another molecule containing the anticodon.This molecule is called

The plasma membrane is composed of

When a person receives intravenous fluids to help build up blood volume,why is it important for the fluid to be isotonic?

Amino acids are transferred to the ribosome to be incorporated into a growing polypeptide chain by

Special cells called ________ cells maintain tissues by unending cycles of cell division.

Cilia and flagella contain nine pairs of ________ surrounding a central pair.

Histones are found in

Compared to the extracellular fluid,cytosol contains