BIO 101 HUMAN BIOLOGY FINAL MILESTONE 2020 | BIO101 HUMAN BIOLOGY FINAL MILESTONE_A Grade

BIO 101 HUMAN BIOLOGY FINAL MILESTONE 2020 – Motlow State Community College 1 Which choice is true of Sertoli cells? They produce sperm. They provide nourishment to developing sperm. They release the male sex hormone. They release enzymes that help in fertilization. CONCEPT Sperm Formation 2 Some muscle groups work ________, meaning one muscle in the group opposes the action of the other. antagonistically aerobically synergistically anaerobically CONCEPT Types of Skeletal Muscle and Muscle Contraction Overview 3Where is cytosol found? Inside the nucleus Between the two layers of the plasma membrane In the cytoplasm Surrounding the cell CONCEPT Cytoplasm 4 What are villi? Hair-like projections that cover villi and aid in absorption of nutrients Small, finger-like projections that line the mucosa and act to increase surface area and absorb nutrients Wave-like muscle contractions that push contents through the small intestine An enzyme that breaks down fats in the digestive system CONCEPT Small Intestine 5 At what level of protein structure do amino acid chains twist and fold? Primary Quaternary Tertiary SecondaryCONCEPT Proteins 6 In which of the following does the blood clot appropriately to prevent major blood loss? Embolism Thrombosis Hemostasis Hemophilia CONCEPT Platelets 7 Which type of white blood cell attacks other unhealthy cells? Eosinophils Basophils Monocytes Lymphocytes CONCEPT White Blood Cells 8 Why do bones undergo remodeling? To correct calcium levels in the bloodstream To constantly replace dying bone cellsTo redistribute calcium from stronger bones to weaker bones To change shape in response to environmental factors CONCEPT Homeostasis and Bone Remodeling 9 What does "renal" mean? Filtrating The back half of the abdomen Having to do with the urinary system Having to do with the kidneys CONCEPT Kidneys 10 Which of the following statements about non-steroid hormones is true? They are proteins that bind to receptors on the plasma membrane. They are lipids that bind to receptors on the plasma membrane. They are proteins that enter the cell and bind to receptors on the nucleus. They are lipids that enter the cell and bind to receptors on the nucleus. CONCEPT Steroid and Non-Steroid Hormones 11 Which of the following statements about immunodeficiency is true?It only occurs when the immune system has been intentionally compromised as part of treatment for diseases like cancer. It means the immune system attacks a person's own cells and organs. It means the immune system is overactive and targets harmless things like pollen or dander. It means the immune system is weak or nonexistent. CONCEPT Immune System Disorders and HIV/AIDS 12 What type of lipid is made up of a glycerol molecule and three fatty acid side chains? Triglyceride Phospholipid Saturated fat Sterol CONCEPT Lipids 13 What is variation, in the extent to which a gene is expressed, called? Polygenic trait Pleiotropy Penetrance Multifactorial trait CONCEPT Polygenic Traits and Pleiotropy14 Why are mitochondria called the "powerhouse" of a cell? They convert light into food. They convert energy into oxygen. They convert food into energy. They convert water into oxygen. CONCEPT Mitochondria 15 Which of the following describes the role of renin in maintaining homeostasis? It acts to decrease the amount of water that is reabsorbed. It acts to dilute urine. Its release is prompted by a decrease in blood volume and blood pressure. Its release is prompted by an increase in blood volume and blood pressure. CONCEPT Fluid Balance and Blood Pressure 16 Which of the following statements is FALSE? RNA has uracil as one of its nitrogen bases while DNA does not. RNA has ribose sugar in its nucleotide while DNA has deoxyribose sugar. RNA is single-stranded while DNA is double-stranded.There are three types of DNA: mDNA, tDNA and rDNA. CONCEPT Protein Synthesis, Part 2: Translation 17 Jean taps Mike on the shoulder to get his attention. Which type of receptor alerts Mike's brain that this has happened? Chemoreceptor Nociceptor Mechanoreceptor Thermoreceptor CONCEPT Sensory Receptors 18 Which of the following is associated directly with the endocrine system? Hormones Lymph nodes Skeletal muscle Phagocytes CONCEPT Endocrine System 19 Which of the following is a condition characterized by the wearing away of cartilage between joints?Carpal tunnel syndrome Osteoporosis Inflammation Osteoarthritis CONCEPT Skeletal Health and Disorders 20 Which of the following characteristics is shared by all organisms? Cycles of consciousness and sleep Division into multiple sexes The ability to grow and reproduce Being made up of multiple cells CONCEPT Organisms 21 What is the effect of the drug Botox on neurotransmitters? It prevents the release of neurotransmitters that smooth out muscles. It releases neurotransmitters that can cause muscle spasms. It prevents the release of neurotransmitters that contract muscles. It releases neurotransmitters that can cause the wrinkling of muscles. CONCEPT Neurotransmitters 22What are glial cells? A group or mass of neuron cells Cells found only in the central nervous system A bundle of neuron axons Cells that nourish and support neurons CONCEPT Nerves as Information Pathways 23 A fiber that consists of microtubules and connects chromosomes to the poles of the cells during cell division is called the __________. spindle centriole centrosome centromere CONCEPT Mitosis 24 What funnels sound waves from outside the ear toward the middle ear? Eardrum Auditory nerve Auditory canalMechanoreceptors CONCEPT Ear Anatomy and Hearing 25 Which kind of immunity does mucus play a role in? General Physical barriers Innate Adaptive