Human_Biol Study guides, Class notes & Summaries

Sophia_Human_Biology_Milestone_

Sophia_Human_Biology 4.0 Milestone test 2020 (A GRADE) – Strayer University Which of these may cause cancer? • Suppression of an oncogene • Expression of a tumor suppressor gene • Mutation of the tumor suppressor gene and the expression of oncogenes • Mutation in a gene that slows cell division CONCEPT Cancer and Homeostasis Monoclonal antibodies and can be used to treat certain types of cancers in a process known as immunotherapy. • Leukocytes • Cy...

Sophia_Human_Biology_Milestone_

You passed this Milestone 18 questions were answered correctly. 8 questions were answered incorrectly. 1 Which type of digestion occurs in the mouth? ● Neither mechanical nor chemical ● Chemical ● Mechanical ● Both mechanical and chemical CONCEPT Chewing and Swallowing 2 Which of the following describes the role of renin in maintaining homeostasis? ● Its release is prompted by a decrease in blood volume and blood pressure. ● It acts to dilute urine. ● It acts to decr...

You passed this Milestone 18 questions were answered correctly. 5 questions were answered incorrectly. 1 Which of the following statements about glycolysis is true? ● It is the last stage of cellular respiration. ● It utilizes a molecule of glucose to produce three ATP. ● It is an anaerobic process. ● Phosphorylation halts the process when ATP levels get too low. CONCEPT Glycolysis 2 How many turns of the Krebs cycle are required to break down one molecule of glucose? ● F...

HUMAN BIOLOGY UNIT 1 MILESTONE 1 What type of lipid is made up of a glycerol molecule and three fatty acid side chains? • Saturated fat • Phospholipid • Triglyceride • Sterol CONCEPT Lipids 2 Which of the following characteristics is shared by all organisms? • Division into multiple sexes • Cycles of consciousness and sleep • Being made up of multiple cells • The ability to grow and reproduce CONCEPT Organisms 3 Which of the following is a component of c...

You passed this Milestone 14 questions were answered correctly. 6 questions were answered incorrectly. 1 Which node does a pacemaker assist? ● The AV node ● It acts against both nodes ● Both the SA and AV nodes ● The SA node CONCEPT Cardiac Cycle and Cardiac Conduction System 2 What muscular tubes, not supported by cartilage, help regulate airflow into and out of the lungs? ● Bronchioles ● Trachea ● Alveoli ● Diaphragm CONCEPT Lower Respiratory Tract 3 Which ...

You passed this Milestone 13 questions were answered correctly. 4 questions were answered incorrectly. 1 The _______ is the part of the brain that controls voluntary movements, while the ______ helps regulate activities that we do not control, including breathing and heartbeat. ● cerebellum; medulla oblongata ● medulla oblongata; pons ● cerebellum; cerebrum ● midbrain; hindbrain CONCEPT Hindbrain and Midbrain 2 Choose the correct order in which we experience taste/gustation...

HUMAN BIOLOGY UNIT 4 MILESTONE 1 How do blood vessels maintain homeostasis when blood pressure increases? • Vasoconstriction • Hypotension • Hypertension • Vasodilation CONCEPT Blood Pressure 2 Which set of facts is true for vaccines? • They produce active immunity. They are mostly targeted against viruses. • They produce passive immunity. They are mostly targeted against viruses. • They produce active immunity. They are mostly targeted against bacteria. •...

You passed this Practice Milestone. When you take the actual Milestone, you must score 50% or higher to pass. 15 questions were answered correctly. 8 questions were answered incorrectly. 1 Which of the following is part of a nucleotide? ● RNA ● Ribosomes ● Nitrogen base ● Cytosol CONCEPT Nucleic Acids 2 Which of the following statements is a verifiable fact? ● A restaurant's business is better on rainy days. ● Rainy days are somewhat depressing. ● A nearby park is ...