Bio 210 Practice Quizzes- Questions and 100% Correct Answers
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Course
BIO 210
Institution
BIO 210
Which of the following is NOT correct regarding each organ system/function pairing? A) Respiratory System: Transports O2 and CO2 throughout the body. B) Digestive System: Breaks down food in smaller units that can be absorbed. C) Reproductive System: Produces offspring. D) Endocrine System: Regulat...
Bio 210 Practice Quizzes - Question s and 100% Correct Answers Which of the following is NOT correct regarding each organ system/function pairing? A) Respiratory System: Transports O2 and CO2 throughout the body. B) Digestive System: Breaks down food in smaller units that can be absorbed. C) Reproductive System: Produces offspring. D) Endocrine System: Regulates growth, development and reproduction. E) Nervous System: The fast -acting control system of the body. ✅A Which of the following is not a property of water? A) high heat of vaporization B) polar solvent properties C) it is hydrophobic D) cushioning E) takes part in chemical reactions (dehydration synthesis/hydrolysis) ✅C In multicellular organisms, first messengers (e.g. hormones, neurotransmitters) are released from one cell and travel throughout the body where they have a specific effect on a target cell. What is the general term given to the protein molecules to which t hese first messengers bind? A) enzymes B) receptors C) second messengers D) G proteins E) kinases ✅B Which of the following is a principle of the fluid mosaic model of cell membrane structure? A) Phospholipids form a bilayer that is largely impermeable to water -soluble molecules. B) Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid chains. C) The lipid bilayer is a solid at body temperature, thus protecting the cell. D) All proteins associated with the cell membrane are contained in a fluid layer on the outside of the cell. ✅A What type of cellular junction would be best at providing a "leak -proof sheet" (so that materials cannot "leak" between the individual cells)? A) gap junctions B) plasmodesmata C) tight junctions D) desmosomes ✅C Two or more cells that work together to accomplish a specific function would be a(n) ________. A) tissue B) organ system C) organ D) cell ✅A Carbohydrates are stored in the liver and skeletal muscles in the form of ________. A) glucose B) triglycerides C) glycogen D) cholesterol ✅C Homeostasis is the condition in which the body maintains ________. A) a static state with no deviation from preset points B) a dynamic state within an unlimited range C) the lowest possible energy usage D) a relatively stable internal environment, within limits ✅D You have an unknown bottle of liquid. After adding some of this liquid to a glucose solution, you find that the pH of the glucose solution has now increased. What is the most likely explanation? A) the solution contains a buffer B) the solution contains an acid C) the solution contains a base D) the solution is a salt ✅C Blood glucose levels are controlled by ✅NF Body temperature is controlled by ✅NF Hemostasis (blood clotting) is controlled by ✅PF In which cavities is the spinal cord located? A) vertebral and dorsal B) mediastinum, thoracic, and ventral C) dorsal and cranial D) pericardial, ventral, and thoracic ✅A Which of the following is a general function for a fibrous protein? A) transport B) protein management C) body defense D) catalysis E) structural framework ✅E
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