Biochem Study guides, Class notes & Summaries

Biochemistry WGU C785 - Module 1 Hydrophilic Having an affinity for water. Hydrophobic substances that are not soluble in water. Hydrophobic substances include large, uncharged particles like fats and oils solvent A liquid substance capable of dissolving other substances Solute A substance that is dissolved in a solution. Adhesive Having the ability to stick to other surfaces. Cohesive having the ability to stick together Heat of Vaporization The amount of energy required for the liquid ...

BioChem C785 - WGU - Module 3 - all questions with complete solutions Hb (hemoglobin) binds to CO (carbon monoxide) with a higher affinity than oxygen and stabilizes the R (relaxed) state True When hemoglobin changes from the T to the R, it has a high affinity for oxygen True When hemoglobin changes from the R to T, it has a low affinity for oxygen True Cooperatively refers to structural changes that increases the affinity for oxygen in hemoglobin When the oxygen concentration is high, th...

BioChem C785 - WGU - Module 5 - all questions with complete solutions What vitamin does not travel through the bloodstream in the form of a lipid micelle? Vitamin C Which lipid has a 4-ring structure? Sterol Which of the following situations is MOST likely to increase the rate of beta oxidation? fasting A patient who is on a no-fat diet is at particular risk of deficiency in: Vitamin A During starvation, triglycerides can help supply some of the body's glucose needs. Which breakdown pro...

BioChem C785 - WGU - Module 2 - all questions graded A Deedra's dad has Alzheimer's Disease (AD) which is caused by a change in protein structure True Alzheimer's disease is caused by aggregation of the Amyloid beta peptide and tangle formation by the tau protein. What kinds of amino acids are likely to drive the formation of these protein aggregates? hydrophobic After learning about Alzheimer's disease and one of the drugs used in its treatment, what other drug design strategies cou...

BioChem C785 - WGU - Module 1 - all questions with complete solutions DNA replication is semiconservative, which allows each of the 2 strands to serve as a template for the new strands true Recall that the DNA polymerase must bind a double-stranded polymer before it can start making its own DNA polymer. What helps the DNA polymerase to overcome this problem in DNA replication? RNA primers Several components of cigarette smoke, including benzopyrene, insert themselves into the DNA and lea...

T/F: According to the module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. - correct answer false macromolecule >5,000 g/mol T/F: Biomolecules can have two or more different functional groups. - correct answer true T/F: The following group is an amine. C2H5NH2 - correct answer true T/F: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting macromolecules. - correct answer false peroxisomes degrade dangerous/h...

BIOCHEM - Exam 2 Questions With Complete Solutions

Biochem Exam #4 (Module 6, 7, and 8) Questions With Complete Solutions

function of oxytocin - secreted during childbirth, increases the strength and frequency of uterine muscle contraction and stimulates milk secretion growth hormone - hormone secreted by anterior pituitary gland that stimulates growth of bones

Motor neurons of the autonomic nervous system A) Always excite effector organs B) always inhibit effector organs C) can either excite or inhibit effector organs D) do not excite effector organs but monitor their status of activity C) can either excite or inhibit effector organs Preganglionic axons of the ANS release