Exam 3: Cells and Tissues

A fat-soluble vitamin, vitamin A, is moving down its concentration gradient into a cell. What type of membrane transport is responsible for its movement? Describe this process.

________ glands possess ducts that transport secretions onto epithelial surfaces.

The molecule that carries an amino acid to the ribosome for incorporation into a protein is ________.

A cell is isotonic to the surrounding 4% dextrose solution. If the cell is moved to a 6% dextrose solution, then predict what will happen to the cell.

The preparation of secretory vesicles for export from the cell is the responsibility of the ________.

Phospholipid tails are hydrophilic and are attracted to water.

Some antibiotics inhibit tRNA from delivering amino acids to the ribosome. What process cannot be completed?

Sequences of three bases found in messenger RNA (mRNA) are called ________.

Match the following: -Cytokinesis is completed

Match the following: -Smooth ER

Match the following: -Type of passive process in which water is moved through aquaporins

The tissue shown in Figure 3.3 most likely ________.

Match the following: -Type of tissue that is specialized to contract and produce movement

Irritability and conductivity are the two major functional characteristics of ________.

Match the following: -Chromosomes align at the center of the spindle

Match the following: -Cytoskeleton

Match the following: -Cilia

What assists the movement of substances by facilitated diffusion?

Discuss the two main phases that occur during protein synthesis.

Explain what is meant by selective permeability in reference to the plasma membrane.