BIO 256

BIO 256 Final Assessment Exam Questions with Correct Answers Phenylketonuria (PKU) occurs when there is - Answer-two recessive alleles lack an enzyme that converts one of the basic amino acids that make up proteins (phenylalanine) into a by product essential for body functioning (tyrosine) Any oxidation reaction must be coupled to - Answer-a reduction reaction. Reactions releasing energy are usually called - Answer-exergonic The chemiosmotic theory describes how the electron-transpor...

Bio 256 Final Exam Questions with Complete Solutions The absorption of which ion is coupled to the absorption of glucose or amino acids? - Answer-Na+ Digestion of table sugar requires - Answer-sucrase Dietary fats are important because - Answer-they help the body absorb fat-soluble vitamins Select the correct statement about proteins - Answer-Proteins will be used by most cells for ATP synthesis if insufficient carbohydrates are ingested. Vitamins are organic compounds. They - An...

BIO 256 FINAL EXAM QUESTIONS WITH CORRECT ANSWERS glucose - Answer-The molecule central to all metabolism is buffer - Answer-A solution resisting changes in H+ concentration and tending to maintain a stable pH is called a ____ solution. positive, donated - Answer-Cations have a ____charge and are formed when they have ____ an electron to/from an anion. maintenance of body temperature - Answer-Water absorbs and releases large amounts of heat before changing temperature. This is import...

BIO 256 Practice Exam Questions with correct Answers (Definite Pass) In a negative feedback loop used to maintain homeostasis, which of the following terms is NOT likely to be used? - Answer-hypothesis Which is the fluid found between cells in your blood? - Answer-plasma Which is an organic molecule? - Answer-C6H12O6 The universal solvent of life is - Answer-water A salt such as NaCl becomes forms ______ when dissolved in water. - Answer-electrolytes Which releases H+ in water?...

Bio 256 Practice Exam Questions with Correct Answers Which is NOT a function of proteins? - Answer-Provides genetic code Which contains your genetic inheritance from your parents? - Answer-DNA RNA is made by ____, protein in made by ____ - Answer-transcription, translation The RNA type that moves through nuclear pores to direct synthesis of new protein molecules at the ribosomes in the cytoplasm, is - Answer-mRNA Transfer RNA anticodons pair complimentary to the ___ of mRNA. - Ans...

BIO 256 SI Review exam questions and Answers polar - Answer-Water is an especially good solvent for biological molecules because it is a. small and easily passes through membranes b. polar c. hydrophobic d. contains oxygen for ionic bonding nacl - Answer-Which would form an electrolytic solution when dissolved in water? a. NaCl b. Cu+ c. Ca++ d. HCO3+ bases - Answer-Which release OH- in water? a. bases b. aliphatic molecules c. acids d. nitrogenous salts stay the same -...

Bio 256 Study Guide Exam Questions with Complete Answers (100% Pass) 5' UAC CUC GUA AAU 3' - Answer-transcribe DNA antisense sequence 3' ATG GAG CAT TTA 5' all energy transfers lose some free energy as unseable heat - Answer-exergonic reactions drive endergonic reactions becuase active site - Answer-carbonic anhydrase, an enzyme, catalyzes a reversible reaction converting carbons from CO2 into carboninc acid. the specific area of the enzyme where carbonic acid attaches to is is know...

Bio 256 study guide exam questions with complete answers which is a molecule with one carbon atoms of its glycerol backbone attached to a phosphate group and an alcohol while the two other glycerol carbon atoms are attached to fatty acids - Answer-phospholipid monounsaturated fatty acids have ___ double bond - Answer-1 which is NOT a part of an amino acid - Answer-ribose the overall molecular shape of a globular protein consisting of a single polypeptide strand is known as its - Answ...

BIOL 256 EXAM 1, Bio 256 Questions with Complete Answers enzyme-substrate - Answer-When carbonic anhydrase and carbonic acid are temporarily joined together, they form ___________. A) an allosteric complex B) a reactant-product complex C) an isoenzyme D) an enzyme-substrate complex lactic acid - Answer-As a result of anaerobic respiration in humans, glucose is converted to A) pyruvic acid. B) lactic acid. C) citric acid. D) acetyl CoA. lipids - Answer-Which of the follow...

Biology 256 Actual Exam 4 Questions with Correct Answers The factors responsible for holding the lungs open include - Answer-surface tension of pleural fluid and no outside opening to the pleural cavity Surfactant helps to prevent the alveoli from collapsing by - Answer-by reducing the surface tension of alveolar fluid Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by - Answer-diffusion Which of the following correctly describes mechanisms of CO2 ...