Biology 160 – Exam One Study Guide (Ch. 1-5) – 50 multiple choice with 3 images (See note on the bottom). 1) What are the steps to scientific method and in what order to they go? How do hypothesis differ from theories? 2) Why are cells referred to as the smallest unit of life? 3) What is the difference between a producer and consumer? 4) Know the difference between prokaryotic and eukaryotic cells. What domains are included in prokaryotic cells? 5) Understand what organelles are. 6) Where is DNA stored in a eukaryotic cell? What are genes made of? 6) What elements are most common in all living things? 7) How are antibiotic resistant bacteria formed? 8) How are radioactive isotopes different than regular isotopes? 9) When a molecule is positive on one end and negative on the other it is called a _________________ molecule. 10) Why can some insects float on water? What do water molecules do as it freezes? 11) what id the difference between a solute, solvent and solution? 12) Understand pH levels and why some solutions are basic and others are acidic. If a person is experiencing acidosis or alkalosis you would use a ____________________ to stop the pH change. 13) What two elements are part of the basic molecule that is part of the following structures: monosaccharide’s, disaccharides and polysaccharides? What is table sugar made of? What is lactose considered? What is an example of a polysaccharide? 14) If you want to eat a healthy diet are you going to eat more saturated fats or unsaturated fats? What are some examples of each? What is a health risk of eating a high number of saturated fats such as butter and meat? 15) Proteins are made of ___________________. 16) What is the differences between eukaryotic and prokaryotic cells? 16) Understand where the different organelles in a cell are and what their function is. What is the main function of the plasma membrane, ribosomes, mRNA, smooth and rough endoplasmic reticulum (ER), lysosomes, etc. 17) What are the differences between a plant and animal cell? 18) What compound provides energy for the cell? 19) Enzymes are made of ____________________. All the chemical reactions in an organism are called _____________________. While enzymes increase the rate of reaction, they decrease the _______________________ energy. 20) What are the differences between diffusion and osmosis? 21) Understand the different states of a cell (e.g. isotonic, hypertonic and hypotonic). 22) What is required for facilitated diffusion to occur? 23) Understand the process of respiration. What is required and what are the waste products? What is the product of glycolosis, the citric acid cycles and electron transport and where in the cell do all these stages occur? How is ATP involved? What is the chemical equation for cellular respiration? 24) What is the chemical equation for photosynthesis? Plant cells have chloroplasts and ____________________ to make energy. 25) Paramecium are single-celled pond water animals. What are the structures called that help them move? LOOK AT A MODEL! 26) Understand how cells can be either hypotonic or hypertonic compared to the surrounding solution that they are in. LOOK AT A MODEL! 27) Where in the cell do the different stages of cellular respiration occur? LOOK AT A MODEL! NOTE – Where it says “LOOK AT A MODEL” you need to refer to your book for images that will be on the test.
Posted on: Sat, 17 Jan 2015 05:11:52 +0000