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Question 1: How do bacteria secrete proteins if they don't have a membranous secretory pathway? Question 2: If an asteroid collided with Earth and the resulting explosion killed all life on Earth's
Question 1: What would happen to an extremophile if it was grown under "normal" growth conditions such as the ones used for E. coli? please explain. Question 2: Calculated the PI of the peptide VAMP
What are the components of a photosystem? a) the light-harvesting complex and a reaction-center complex b) several reaction centers c) chlorophylls and carotenoids
Question 1: Why is 1-chlorobutane not classified as a hydrocarbon? Question 2: Specify the factors determining the proportion of monochlorinated products derived from 1-chlorobutan.
Question 1: Describe any links between the cardiovascular system and the gastrointestinal system, how are these two systems integrated? Question 2: How is it possible for the bones to lose more calci
Question 1: What organisms are used to clone genes? Question 2: What is the molecular technique, gel electrophoresis used for?
RNA bacteriophages: a. must carry their RNA dependent RNA polymerase protein with them in the virus. b. can only be translated on viral ribosomes. c. must have a gene for RNA dependent RNA polymerase
An E. coli mutant was isolated that could not grow with glucose as the sole carbon source. Upon examination it was found that the mutant had a defective HPr protein. Why would a defective HPr lead t
Question 1: What is glycolysis In less then 2 sentences Question 2: What method can you use to identify a gene when you know the amino acid sequence of a homologous protein?
Question 1: Describe in simple term the process of general base catalysis. Question 2: Explain what a covalent inhibitor is.What are some examples.
Question 1: How does cigarette affect osteoporosis and the bones? Question 2: Would you expect the community of bacteria in plaque sampled 1 week after you have your teeth cleaned to differ from the
Question 1: What is the Out-of-Africa human origin dispersal route, with dates and sources? Question 2: How do molecular motors power flagella?
Expression of the beta-globin gene is regulated by DNA sequences located? A.in the 5? region just upstream of the promoter and protein coding sequence B.in the 3? region downstream of the poly-A
Question 1: What conditions influence germinaton? Question 2: How can it be demonstrated that differentiated cells do not become differentiated as a result of selective loss of portions of their DNA
Question 1: How would you demonstrate that the "green eyed" trait in the fruit fly is a recessive, autosomal condition? Question 2: How is the chemical structure of ethylene different from the other
Compare and contrast the anatomical pathways that convey touch sensation (not proprioception) and pain. Describe two functional consequences of these differences.
Explain how nervous signals get from a neuron to a muscle cell, including the main parts of the synapse and what they do.
Explain the pathophysiology of Rheumatoid Arthritis (RA), including systemic and local symptoms associated with the disease, long term complications, and current treatments.
All newborns are routinely screened for PKU. Explain the following: Question 1: What PKU stands for? Question 2: What is PKU? Question 3: How an infant develops the disease?
Explain coronary artery disease (CAD), the rate of incidence in the US, and both controllable and noncontrollable risk factors for CAD.
Question 1: List and explain two functions of the hypothalamus and the part of the nervous system in which it is located. Question 2: Identify the three accessory organs of the digestive tract and exp
List the major molecules that make up typical Gram-positive and Gram-negative cell walls and note which molecules are unique to each type of cell wall. How do these molecules contribute to the funct
Describe and explain Acute Renal Failure. Include its pathophysiology, clinical manifestations and treatment. Draw Haworth structures for the two possible isomers each of D-allose and D-tagatose.
Question 1: What is hodgkins disease and can it be treated? Quetion 2: If you wanted water to flow out of a tubing piece filled with a 50% solution, what would the minimum concentration of the beaker
Discuss the relationship between calcium and bone density, and how the body regulates calcium levels in both bone and blood - be sure to include the roles of he parathyroid hormone (PTH), calcitonin