When the cells in an organism divide and reproduce, the organism can grow. Which cell organelle contains the genetic material for reproduction?

An athlete is running a race. The athlete’s body needs energy.  Which type of organelle in the athlete’s cells supplies the energy for cellular function?

Base your answer on the diagrams below and on your knowledge of biology. The diagrams represent a single-celled organism and a multicellular organism. Which statement correctly identifies the levels of organization for the structures indicated?

A cell with receptors for two different hormones is represented below.

Which chemical would most likely interfere with the activity of hormone A, but not hormone B?

The diagram below represents a process taking place in a cell.

The type of organic molecule that is being synthesized is

The diagram illustrates the movement of molecules through a cell membrane.

What process is being used by the cell to move the molecules? 

Before starch can enter a cell, it must be

Cells in the roots of plants contain a higher concentration of minerals than the surrounding soil. Root cells take in minerals that plants need for growth and development. Which best explains how minerals enter root cells from the surrounding soil?

A student used a microscope to observe Elodea submerged in a solution. The student observed the cell cytoplasm pull away from the cell wall and clump together in the center of the cell.

Which statement best explains why this occurred?

Which of these cell structures converts nutrients to energy for cell functions?

A cell is shown below.

Which structure is responsible for producing ATP?

In a cell, protein synthesis is the primary function of

The diagram below represents a cell that produces digestive enzymes. Which cellular structure would be the most likely location for the synthesis of these enzymes?

Botulinum toxin is a substance that can cause paralysis in humans. The effects of the toxin are due to the blocking of a signaling molecule that is necessary for communication between nerve cells. The toxin most likely interferes with the normal functioning of a

The diagram below represents levels of organization in living things.

Which term would best represent X?

Which organism is considered an exception to the cell theory because it has a noncellular structure?

What has to be properly functioning in a unicellular organism for homeostasis to be maintained?

During an experiment you want to view the nucleus of a cell. How would you most easily view this organelle?

Which cell organelle is composed of a series of channels throughout the cytoplasm that functions in the transport of molecules?

Microscopic examination of an animal cell reveals the presence of a plasma membrane but no cell wall. Which additional structures would normally be present within this cell?

Which cellular organelle is represented by the diagram below?

A structure that performs a specialized function within a cell is known as

The diagram below represents the fluid mosaic model of a cell membrane.

The molecules labeled X and Y represent a

In a cell, the selective permeability of the cell membrane is most closely associated with the maintenance of

The diagram represents a specialized cell located in the root of a plant. The arrows in the diagram indicate the movement of molecules of oxygen and water into the cell. Which choice correctly identifies the process responsible for the movement of each type of molecule represented in the diagram?

In this situation, where the solute is illustrated by red dots, predict if will WATER move into or out of the cell, and how that will affect the cell.

 Which of the following would be found in both eukaryotic AND prokaryotic cells?

Two examples of passive transport are

A molecule that diffuses down a concentration gradient goes from an area of ______ concentration into an area of ______ concentration.

 Active transport requires ______, moves materials from __________________, and goes _______ the concentration gradient.