BIO 101 HUMAN BIOLOGY FINAL MILESTONE 2020 (A GRADE) – Motlow State Community College | BIO 101 HUMAN BIOLOGY FINAL MILESTONE 2020 (A GRADE)

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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 sp... erm. • 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 3 Where 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 • Secondary CONCEPT 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 cells • To 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 Pleiotropy 14 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 22 What 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 canal • Mechanoreceptors CONCEPT Ear Anatomy and Hearing 25 Which kind of immunity does mucus play a role in? • General • Physical barriers • Innate • Adaptive [Show More]

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