Grcc Bi 117 Anatomy Physiology Test 1 Questions And Answers 100% Verified A+ Guaranteed

How are amino acids similar? How are they different? {Ans: They all have amino and carboxyl group, but R group is always different}Which monosaccharide is used as the primary energy source of the cell? {Ans: Glucose}Movement of molecules. Distinguish between passive and active transport in terms of direction of movement and use of cellular energy. Be able to give and explain an example of passive and active transport. {Ans: Active takes energy, endocytosis/exocytosis Passive doesn't need energy; osmosis}Describe the general structure and functions of the four organic molecules. {Ans: Carbohydrates- carbon oxygen and hydrogen (2H for every O) primary source of nutrient for body energy Lipid- carbon, hydrogen, oxygen; insoluable in water; supply energy and cell wall Protein- made of amino acids; structural material, energy, hormones, cell membrane receptors, antibodies, enzymes, movement Nucleic acids- make up DNA and RNA}Describe the structure, properties, and functions of water. {Ans: High heat capacity, solvent, polarity, chemical reactivity (hydrolysis and dehydration synthesis) cushioning and transport medium}What is homeostasis? {Ans: Maintenance of relatively stable internal environment by self-regulating physiological process}