Exam 2: Cells, tissues, organs, and Organ Systems of Animals

Which of the following are functions of exosomes?

The surface to volume ratio of a cell limits

A major function of the cell nucleus is

The protein composing the filaments inside cilia and flagella is

Which of the following is found in animal cells,but is not usually found in plant cells?

These structures are an example of a microbody.

These structures have recently been shown to act as signal-receiving "antennae" for cells that help them monitor the extracellular environment.

The ability of a membrane to regulate passage of materials into and out of a cell is called

The structures which are elongated appendages used for propelling the cell or for moving material over the cell surface are the

Water molecules move through selectively permeable membranes from areas of high concentration of water to areas of lower concentration by

Heart,lungs,and liver are examples of functional units called

The semifluid phase of the cytoplasm that contains organelles,vesicles,and inclusions,and serves as a medium for metabolic reactions is the

Cells placed in this type of solution will shrivel.

A cell that has membrane-bound units called organelles and a cytoskeleton is said to be

Spaces within bone or cartilage which house the living cells are called

As the radius of a cell increases,the surface area ______ and the ratio of surface area to volume _______.

________ are newly discovered organelles believed to aid in transport of messenger RNA into the cytoplasm of eukaryotic cells.

The "cell coat," made of surface carbohydrates and portions of proteins,is called the

The simplest organization of matter that exhibits the properties of life is the

Membrane proteins attached to the inner or outer surfaces of plasma membranes are called __________ proteins.