Homework - Cells and Heredity Copy the questions. Answer in full sentances on a seperate sheet of paper. If the words are in parenthesis, you don’t need to copy them. Aim 1: What are the parts and functions of plant and animal cells? Chapter 1 - Sect 2 Chapter 2 - Sect 4 School Text Pages - 16-24 Home Text Pages - 60-67 1. What is the function of the cell membrane? 2. What 2 organelles do plant cells have that animal cells don't? (And their functions) 3. What is the function of the mitochondria? 4. What is contained in a cell’s nucleus? (And their functions) 5. What is the function of the cell’s vacuoles? ********************************* Aim 2: What are the 4 main kinds of compounds found in Living Things? Chapter 1 - Sect 3 Chapter 3 - Sect 1 School Text Pages - 25-30 Home Text Pages - 74-78 1. What is an element? 2. How is water important to the function of cells? 3. What are carbohydrates? (Why are they important?) 4. What are lipids? (Why might they be important?) 5. What are proteins? (Why are they important?) ********************************* Aim 3: What are diffusion, osmosis and active transport? Chapter 1 - Sect 4 Chapter 3 - Sect 2 School Text Pages - 32-37 Home Text Pages - 80-85 1. What is diffusion? (What causes it? How does it work?) 2. What effect can osmosis have on red blood cells? (look at diagram) 3. What is active transport? (How is it used in the body?) 4. Why is there a limit to the size that cells can become? 5. Why is osmosis important to the function of the body? (What is osmosis?) ********************************* Aim 4: What happens during the process of photosynthesis? Chapter 2 - Sect 1 Chapter 3 - Sect 3 School Text Pages - 44-48 Home Text Pages - 86-90 1. What is photosynthesis? (write the chemical equation) 2. Why is photosynthesis important to life on earth? 3. What is a heterotroph? What is an autotroph? (give examples) 4. What makes plants green? (be specific) ********************************* Aim 5: What is cellular respiration? How is it different from photosynthesis? Chapter 2 - Sect 2 Chapter 3 - Sect 4 School Text Pages - 49-53 Home Text Pages - 91-94 1. What is cellular respiration? 2. What is fermentation? 3. When is lactic acid formed? 4. Write the chemical equation for cellular respiration. 5. What is the difference between photosynthesis and cellular respiration? ********************************* Aim 6: What is DNA and RNA? Chapter 3 - Sect 4 Chapter 4 - Sect 4 School Text Pages - 61-62, 97-103 Home Text Pgs101-102, 131-137 1. What forms the genetic code? 2. What structure determines what type of protein will be produced? 3. What is RNA? (How is it used by an organism?) 4. Briefly describe how DNA helps make RNA? 5. What is a mutation? How is it beneficial and/or detrimental? ********************************* Aim 7: How do cells divide? Chapter 2 - Sect 3 Chapter 3 - Sect 5 School Text Pages - 55-62 Home Text Pages - 95-102 1. What is the process of cell division called? List the steps in order. 2. What happens during interphase? 3. What happens during stage 2 of mitosis? 4. What happens during cytokinesis? 5. Describe the structure of DNA. ********************************* Aim 8: What is meiosis? Chapter 3 - Sect 3 Chapter 4 - Sect 3 School Text Pages - 92-96 Home Text Pages - 126-130 1. What role do chromosomes play in inheritance? 2. Describe how Meiosis includes mitosis but adds extra steps. 3. Why is this extra step important? 4. What is the significance of genes? 5. Compare and contrast homozygous and heterozygous? ********************************* Aim 9: Introduction to Genetics - Mendel’s Work Chapter 3 - Sect 1 Chapter 4 - Sect 1 School Text Pages - 76-81 Home Text Pages - 110-115 1. What is heredity? 2. Describe the process that Mendel took to fertilize or pollinate pea plants. 3. What is an allele? 4. If an allele is represented by a capital letter, what does this mean? 4. If an allele is represented by a lower case letter, what does this mean? 5. Why is studying genetics important? (inference) ********************************* Aim 10: What is probability and what does it have to do with genetics? Chapter 3 - Sect 2 Chapter 4 - Sect 2 School Text Pages - 84-89 Home Text Pages - 118-123 1. What is probability? Why is it important in terms of genetics? 2. How can we predict the color of the offspring of a guinnea pig? 3. Describe what a phenotype is. 4. Describe the difference between phenotype and genotype. 5. What is codominance? ********************************* Aim 11: What are some patterns in Human Inheritance? Chapter 4 - Sect 1 Chapter 5 - Sect 1 School Text Pages - 110-116 Home Text Pages - 144-150 1. What are some patterns of human inheritance? 2. What are the functions of the sex chromosomes? 3. What factors contribute a zygote “becoming” a boy or a girl? 4. Briefly describe sex-linked genes. 5. How can the environment affect the expression of a gene?