Exam 3: The Cellular Level of Organization

If a red blood cell (RBC)is placed in a 0.5% salt solution,which of the following would occur? 1) Water will move out of the RBC. 2) RBC will hemolyze. 3) RBC will crenate. 4) Water will enter the RBC.

Which of the following is false about DNA fingerprinting?

Specific proteins are manufactured through the interaction of multiple ________ and ________.

Figure 3-2 The Plasma membrane Use Figure 3-2 to answer the following questions: -Lipid molecules pass into the cell through the structure labeled

The potential difference across the cell membrane is known as

A blood cell undergoes crenation when it is placed in a(n)________ solution.

Figure 3-1 The Anatomy of a Representative Cell Use Figure 3-1 to answer the following questions: -Synthesis of carbohydrates and lipids occurs in the structure labeled

The organelles and the watery component of the cell together is called

mRNA is needed to synthesize ________ in the cytoplasm.

Nuclear division of somatic cells is known as

Some cells contain large numbers of mitochondria while others have relatively few or none.This suggests that

Figure 3-2 The Plasma membrane Use Figure 3-2 to answer the following questions: -Which structure is water most likely to pass through?

The enzyme ________ is required for the synthesis of mRNA.

A cell duplicates its chromosomes during the ________ phase.

In cells that are not dividing,chromosomes uncoil to form a tangle of fine fibers known as

Identify the role of cholesterol in the plasma membrane.

Two types of vesicular transport include

Transfer of mRNA from the nucleus to the cytosol occurs through

Which of the following statements about a cell's resting membrane potential is incorrect?

The unit of DNA that specifies a certain amino acid is called a ________,the same unit of mRNA is called a ________,which,during protein synthesis,is matched by the ________ of tRNA.