The Cell

1. Which of the following is not a characteristic of life? Reproduction Homeostasis Sensitivity Transport

2. Which of the following is an example of how organisms maintain homeostasis? A damaged skin cell dividing into two newer skin cells. A human shiver in cold weather. A crow learning to retrieve a food reward in a laboratory experiment. Finches in the Galapagos developing different types of beaks.

3. A runner eats a large pasta dinner the night before a big race. In this example, which characteristic of life is the runner using to help her win the race? Digestion Homeostasis Sensitivity Metabolism

4. How are life processes different from characteristics of life? Life processes are specific actions that help organisms maintain characteristics of life. Characteristics of life are the specific actions that help organisms maintain life processes. Only organisms that show characteristics of life carry out life processes. Life process and characteristics are exactly the same.

1. A(n) _____ is a group of different tissues that work together to perform a certain function. Organ system Organ Cell Organelle

2. Your heart functions because of tissues like cardiac muscle, blood and connective tissues. At which level of organization is your heart? An organ system An organ A cell An organelle

3. The central nervous system (CNS) consists of the brain and spinal cord. What is the CNS an example of? Organ system Organ Cell Organelle

4. Which of the following is listed from least to most complex? Organ, organism, cells Cells, tissues, organism, organ system Cells, organ, organism Tissues, organism, organ

5. Which of the following is an example of a tissue? Chloroplast Stomach Human Bicep

1. Which of the following is true about the mitochondrion of a cell? It has only one membrane. It has no membrane. It is circular. It is where cellular respiration occurs.

2. Which structure is found in both plant and animal cells? Cell wall Mitochondria Chloroplast Chlorphyll

3. What are structures that support and give shape to plant cells? Microbodies Golgi apparatus Nucleus Cell walls

4. Which of the following is part of the cell theory? All cells are eukaryotic. All cells are prokaryotic. All cells have nuclei. All cells come from other cells.

5. Where is the hereditary information in a eukaryotic cell stored? Cytoplasm Nucleus Centrioles Lyososme

1. The movement of substances into and out of a cell without the use of energy is called Active transport Passive transport Exocytosis endocytosis

2. What is the movement of water across a semi-permeable membrane from an area of high water concentration to an area of low water concentration called? Active transport Diffusion Osmosis Hypertonic

3. A cell placed in a solution shrinks by the process of osmosis. What kind of solution is outside the cell? Hypotonic Hypertonic Active Isotonic

4. If the solution surrounding a cell has a lower concentration of solutes than inside the cell, water will move into the cell through osmosis, causing it to expand. What kind of solution is surrounding the cell? Active Passive Hypertonic Hypotonic

1. A _______ is a type of cell that has a true nucleus. Prokaryote Eukaryote Bacterium Virus

2. Which cellular component is surrounded by a membrane? Chloroplast Ribosome Cell wall Osmosis

3. What are two structures that are found in plant cells that are not found in animal cells? Mitochondria and ribosomes Cell wall and plastids Cell membrane and centrioles Nucleolus and endoplasmic reticulum

4. More water goes in through a cell membrane than out of it. What type of solution is around the membrane? Isotonic Hypotonic Permeable Hypertonic

5. Which organelle makes proteins? Plastid Ribosome Nucleolus Mitochondrion

6. Amoebas obtain food by wrapping the cell membrane around the food particle, creating a vesicle. The food is then brought into the cell. What is this process called? Exocytosis Endocytosis Osmosis Photosynthesis

7. A cell has an internal solute concentration of 11.4 g/mL. It is placed in a solution of 12 g/mL. What will happen to the cell? It will swell. It will shrink. It will remain the same. It will become dehydrated.

8. Which two organelles have opposite functions? Chloroplast and mitochondria Cell wall and cell membrane Chloroplast and cytoplasm Nucleus and cell membrane

9. A type of cell has several compartments surrounded by membranes. What type of cell must it be? Prokaryotic Semi selective Eukaryotic Bacterial

10. What type of molecule below most likely passes directly through the cell membrane? Large glucose molecules Charged potassium ions Small water molecules Large protein molecules

11. Which cell part functions to store cellular information? Vacuole Ribosome Nucleus Cell membrane

12. In order to be classified as living an organism must have A heart and lungs. The ability to nourish itself, grow and reproduce. The ability to photosynthesize and to eliminate waste products. A true nucleus and nuclear membrane.

13. When you perspire on a hot, humid day, drinking water will restore ____. Substances Oxygen Homeostasis Proteins

14. The ability of the cell to rid itself of waste products is called Excretion Elimination Voiding Absorption

15. The water saving thick skin of a cactus is a(n) _____ characteristic. Reproductive Sensitive Metabolic Adaptive