BIOL 256 EXAM 1, Bio 256 Questions with Complete Answers

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 following energy storage nutrient molecules provides the greatest amount of energy in calories (kilocalories) per gram? A.) proteins B.) lipids C.) carbohydarates glucose - Answer-the favored fuel of the brain is facilitated diffusion - Answer-Diffusion of solutes through a membrane by the use of a transport protein is called catabolism - Answer-When you obtain energy from glucose, you break it down into H2O and CO2. This is Mitosis makes diploid daughter cells, and meiosis makes haploid daughter cells. - Answer-Fatty acids used for energy are first broken into A single nucleotide change in the LMNA gene sequence leads to an error in mRNAsplicing and a defective nuclear protein. - Answer-What is the majorcause underlying the rapid aging disease, Progeria? bothredox reactions and energy coupling through the hydrolysis of ATP can driveunfavorable reactions forward. - Answer-Some metabolicreactions that may not be independently energetically favorable in the humanbody may still proceed to a final product because: Brain and heart - Answer-When the body isunder stress, including during heavy exercise, blood must continue to flow tovital organs. The two most vital organs are the endocytosis - Answer-When cells move substances into vesicles in the cytoplasm, it is called specific fit of a substrate to its particular enzyme. - Answer-The"lock-and-key model" of enzyme function describes the polyribosomes in the cytoplasm - Answer-What could you observe in a cell making a lot of one certain protein, if you used an electronmicroscope? codons - Answer-Transfer RNAanticodons pair complementarily to the ______ of mRNA. tRNA - Answer-The RNA typed haracterized by folding on itself to form a twisted cloverleaf structure withan attached amino acid is called