Exam 3: The Cellular Level of Organization

Transfer of mRNA from the nucleus to the cytosol occurs through______ .

Which of the following cytoskeleton components moves the chromosomes during cell division?

Whenever positive and negative ions have been separated, an)_________ will be produced.

Figure 3- 2 The Anatomy of a Representative Cell Use Figure 3- 2 to answer the following questions): -Which structure organizes the mitotic spindle during cell division?

In a series of measurements of resting transmembrane potentials, the following values were recorded. Which one is likeliest to be an error?

Figure 3- 2 The Anatomy of a Representative Cell Use Figure 3- 2 to answer the following questions): -If the amount of chloride ion in blood plasma increases, which of the following would initially occur?

Each of the following is a function of smooth endoplasmic reticulum, except

The potential difference across the cell membrane is known as the__________ .

Receptor molecules on the surface of cells bind specific molecules called, in general,_________ .

Extracellular fluid serves as

Figure 3- 2 The Anatomy of a Representative Cell Use Figure 3- 2 to answer the following questions): -Which structure produces ATP for the cell?

What is the first part of the cell that is affected when the pH of extracellular fluid changes?

The plasma membrane is composed of

Microscopic analysis of a tissue sample indicates that it contains abundant myosin and actin filaments. This tissue is probably formed from

In the mitochondrion, folds are to cristae as the contained fluid is to

During the synthesis of proteins, amino acids are assembled in the proper sequence because each tRNA molecule that brings them to the ribosome has an)____________ that binds to a complementary codon in the mRNA.

These molecular motors carry materials in opposite directions along microtubules.

A membrane transport process is found experimentally to have a saturation limit. Which of the following is a possible property of the process?

The complex structures of DNA and protein found in the cell nucleus are

Breathing faster and deeper eliminates more carbon dioxide from the body than normal breathing. Under these circumstances