Part A (True or False) 10 marks Answer each question “true” or “false” 1. Polymers are made up from single monomers _________ 2. Both animal cells and plant cells have cell walls and cell membranes _________ 3. Osmosis is the movement of a solution (ex. water) from an area of higher concentration to an area of lower concentration _________ 4. Gregor Mendel is known as the father of genetics due to his studies using pea pods. _________ 5. In a strand of DNA, “G” always pairs with “C” and “A” always pairs with “T” _________ 6. Explain why Meiosis is important for the reproductive process in humans _________ 7. Bacteria can be harmful, but some types of bacteria can be helpful_________ 8. Inflammation and fever are part of your body’s defense system against infection _________ 9. You have more white blood cells than red blood cells _________ 10. The heart pumps “oxygenated” blood to the lungs through the pulmonary system _________ Part B (Multiple Choice) 15 marks Select the best answer for each question 1. The main purpose of carbohydrates is for a. Energy b. Storage c. Transportation d. Muscle development 2. A phospholipid Bilayer forms naturally because a. Both the heads and tails are hydrophobic b. Both the heads and tails are hydrophilic c. The head are hydrophilic and the tails are hydrophobic d. The heads are hydrophobic and the tails are hydrophilic 3. The “active site” is where this substance can, for example, divide polymer substrates into simple monomers. a. Glucose b. Proteins c. Enzymes d. Lipids 4. During the gummy bear osmosis experiment, the gummy bear in water increased in size. This means the solution was a. Hypotonic b. Hypertonic c. Isotonic d. Supertonic 5. During what stage of mitosis do the chromosomes line up in the middle of the cell a. Prophase b. Metaphase c. Anaphase d. Telophase 6. During what stage of mitosis are the chromosomes pulled away by the spindle fibers a. Prophase b. Metaphase c. Anaphase d. Telophase 7. How many individual chromosomes to humans have? a. 1 b. 2 c. 23 d. 46 8. Which blood type is known as the “Universal Donor” a. A b. B c. AB d. O 9. Which statement is not true about blue-green algae (cyanobacteria)? a. It is an algae b. It can be harmful, even possibly fatal, to pets c. It appears as a “bloom” d. It has been found in Lake Erie 10. This part of a virus allows it to attach to cells a. Capsid b. Envelop c. Spike Protein d. DNA 11. Which type of blood cell is part of the bodies defense system against infection a. Red blood cells b. White blood cells c. Platelets d. Plasma 12. Vaccines help your body create these a. Antigens b. Pathogens c. Antibodies d. Protists 13. Which is typically considered normal blood pressure a. 90 / 60 b. 120 / 80 c. 135 / 90 d. 150 / 100 14. Why is the left lung smaller than the right lung? a. To make room for the liver b. To make room for the heart c. To make room for the stomach d. To make room for the kidneys 15. Which statement is true? a. Your teeth and saliva are not part of your digestive system b. Your stomach digests food chemically, but not physically c. Bile is created in your liver and stored in the pancreas d. Your small intestines are longer than your large intestines Part C (Matching) 20 marks Match each word with its description. There will be four words left over at the end active transport chromatin eukaryotes pathogen alveoli chromosome facilitated transport peristalsis amino acids chyme genome prokaryotes antibiotics cytokinesis interphase trans fats arteries cytoplasm karyotype vector capillaries diaphragm nucleus veins 1. When these are connected together, they form a protein ___________________________ 2. An unhealthy lipid that is often found in deep fried foods ___________________________ 3. Often known as the “brains” of the cell ___________________________ 4. A method of transportation that uses energy to get a substance from an area of higher concentration to an area of lower concentration ___________________________ 5. A protein channel, for example is used to transport a substance from an area of lower concentration to an area of higher concentration ___________________________ 6. The “uncondensed” form of DNA material ___________________________ 7. The “condensed” form of DNA material ___________________________ 8. The entire DNA sequence of an organism ___________________________ 9. A “picture” of a person’s chromosomes, it can also be used to identify genetic disorders___________________________ 10. Occurs right after mitosis, forming two identical daughter cells ___________________________ 11. Protists and fungi are two examples of these ___________________________ 12. Bacteria are an example of these ___________________________ 13. Any living thing (most commonly insects) that can carry and transport disease ___________________________ 14. Medications that can be used for a bacterial infection ___________________________ 15. A muscle near your rib cage that helps the lungs to inhale and exhale air ___________________________ 16. The “tiny sacs” of the respiratory system where oxygen can enter the circulatory system ___________________________ 17. The blood going from the capillaries to the heart travels through these blood vessels ___________________________ 18. The blood going from the heart to the capillaries travels through these blood vessels ___________________________ 19. Muscular contractions that help move food through the esophagus ___________________________ 20. A mixture of food molecules and gastric acids ___________________________ Part D (Punnett Squares) 5 marks Answer each question based on the given situation. You do not need to hand in a copy of the Punnett Square. Being right-handed (R) is dominant over being left-handed (r). A man, who is heterozygous right-handed marries a woman who is left-handed. Use a Punnett Square to help you answer each of the following four questions. 1. What is the genotype for the man? ____________ 2. What is the genotype for the woman? ____________ 3. What is the probability of their child being right-handed? ____________ 4. What is the probability of the child being left-handed? ____________ Last Question……… A red gummy bear and a green gummy bear decide to have a baby gummy bear. If codominance occurs, what will the gummy bear most likely look like? a) Red b) Green c) Partly red and partly green d) Yellow (red and green mixed together make yellow)
