Alpha amanitin Study guides, Class notes & Summaries

What neurotransmitter stimulates release of epinephrine from adrenal medulla? - Answer- acetylcholine What is a metabolite if epinephrine that suggests epi-secreting carcinoma? What is another assoc symptom? - Answer- metanephrine; assoc with HBP What does acetazolamide (carbonic anhydrase ib) treat? - Answer- glaucoma, epilepsy, altitude sickness, congestive heart failure can cause dehydration Sickle cell anemia is due to... - Answer- pt mutation of Glu -> val What is a major ne...

Cytosine in DNA is deaminated at a high frequency to generate uracil. This damage in the DNA is repaired by? - answer-A mechanism that involves AP endonuclease What is the purpose of adding a small amount of homogenized rat liver in the Ames test for the carcinogenicity of a compound? - answer-Provide enzymes for the metabolism of the compound Which of the following eukaryotic DNA control sequences does not need to be in a fixed location, and is most responsible for high rates of transcript...

Biochemistry Shelf EXAM Questions and Answers A Mixture of bacterial DNA solution subjected to spectroscopic studies consists of 38% of adenine base. What apporximate percentage of the bases are guanine 12% are guanine 38% are Adenine 38% are Thymine thus 24% are Guanine and Cytosine What does etoposide do in treating cancer inhibit DNA topoisomerase II Which activity of the DNA synthesizing enzyme removes the wrong base 3'-5' exonuclease activity Nonpolypsosis colon cancer is th...

alpha-amanitin - Answer- Inhibits RNA poly II (mRNA synthesis) or RNA poly II in high concentrations 3' -> 5' exonuclease activity - Answer- All DNA polymerase What removes primers in eukaryotes - Answer- RNAase H What removes primers in prokaryotes - Answer- DNA poly I What 2 amino acids are not found in alpha helices - Answer- proline and glycine (bulky) Deamination of Cytosine yields? - Answer- Uracil Alkylated G pairs with? - Answer- T X-rays form what type of DNA d...

TOPIC: BIOCHEMISTRY - MOLECULAR / "CHROMATIN STRUCTURE" WHAT BINDS TO THE NUCLEOSOME AND TO LINKER DNA TO STABILIZE CHROMATIN FIBER? - ANSWER-H1 TOPIC: BIOCHEMISTRY - MOLECULAR / "CHROMATIN STRUCTURE PHOSPHATE GIVES DNA WHAT CHARGE? - ANSWER-NEGATIVE TOPIC: BIOCHEMISTRY - MOLECULAR / "CHROMATIN STRUCTURE WHAT GIVES HISTONES A POSITIVE CHARGE? - ANSWER-LYSINE AND ARGININE TOPIC: BIOCHEMISTRY - MOLECULAR / "CHROMATIN STRUCTURE WHEN DOES DNA CONDENSE TO FORM CHROSOMES? - A...

DEE=daily energy expenditure energy required for BMR + physical activity Graves Disease Hyperthyroidism antibodies that stimulate the excess release of TH from the thyroid Charac: elevated BMR goiter tremors nontropical sprue=adult celiac disease reaction to gluten intestinal epithelium is damaged malabsorption results how many calories per kg when calculating a BMR 24cal/kg 50kg person= 24*50 excess calories needed for sedentary lifestyle 30% of BMR of p...

Biochemistry Shelf EXAM Questions and Answers A Mixture of bacterial DNA solution subjected to spectroscopic studies consists of 38% of adenine base. What apporximate percentage of the bases are guanine 12% are guanine 38% are Adenine 38% are Thymine thus 24% are Guanine and Cytosine What does etoposide do in treating cancer inhibit DNA topoisomerase II Which activity of the DNA synthesizing enzyme removes the wrong base 3'-5' exonuclease activity Nonpolypsosis colon cancer is th...

Biochemistry Shelf EXAM Questions and Answers A Mixture of bacterial DNA solution subjected to spectroscopic studies consists of 38% of adenine base. What apporximate percentage of the bases are guanine 12% are guanine 38% are Adenine 38% are Thymine thus 24% are Guanine and Cytosine What does etoposide do in treating cancer inhibit DNA topoisomerase II Which activity of the DNA synthesizing enzyme removes the wrong base 3'-5' exonuclease activity Nonpolypsosis colon cancer is th...

Details the Components and Roles of the subunits of RNA Polymerase II. Details its strcuture, its role in transcription and the effect that alpha-amanitin has on its activity.