Study guides, Class notes & Summaries

B Read the excerpt from "An Irish Airman Foresees His Death." I know that I shall meet my fateSomewhere among the clouds above;Those that I fight I do not hateThose that I guard I do not love; Which best describes the effect of the rhyme of lines 1 and 3 in this excerpt? A) The rhyming words "fate" and "hate" emphasize the pilot's sense of duty. B) The rhyming words "fate" and "hate" connect the pilot's fate to his emotions. C) The rhyming words "fate" and "hate" establis...

Biological Catalyst. Which of the following definitions best describes an enzyme? The electrophoretic property is different for each isoenzyme. Which of the following is true of an isoenzyme? acts as an activator of the enzyme. Whys is a metal ion sometimes necessary in an enzymatic reaction? Substrate concentration and the rate of dissociation of the complex. The Michaelis-Menten constant in the rate of conversion of substrate to product is determined by what factor? ...

Nucleic Acid grows by attachment of 5' phosphate group of the incoming nucleotide to the 3'hydroxyl group of the last nucleotide double stranded DNA most energetically favorable state for DNA Purines double-ring structure Adenine (A) + Guanine (G) Pyrimidine single-ring structure Uracil (U)+ Cytosine Messenger RNA (mRNA) -template for all protein synthesis -encode all information necessary to produce proteins Heterogeneous nuclear RNA primary product o...

To correctly report a colony count in a urine culture plated using a calibrated 0.001 mL loop, the observed colony count must be multiplied by which of the following? a. 1 b. 100 c. 1000 d. 2000 c. 1000 Examination of peripheral blood smear revealed 12 nucleated erythrocytes per 100 leukocytes. Which histogram observation correlates with this finding? a. Failure of the granulocyte population to return to baseline on the leukocyte histogram b. Shift to the left of the erythrocyte po...

Hemoglobin composition 4 heme ( 4 Fe + 1 porphryin) 1 globin ( 2 alpha 2 beta chains) Mw= 64000 Porphyria abnorm of heme synth xs production of intermediate metabolite protein unchanged change in valence of iron or organic group oxyhemoglobin O attaches to Fe ++ ( reduced hgb), replacing water molecule carry O, iron is kept at Fe++ ( ferrous) state by methemoglobin-cytochrome C reductase carboxy hemoglobin binding of CO2 is 200x stronger than for O hea...

AAB Immunology questions and answers.

The core (genome) of the HIV virion contains: A. DNA B. RNA C. Both RNA and DNA D. Neither RNA or DNA B. RNA What two glycoproteins are expressed on the surface of influenza A viruses and are used for subtyping of the viruses? A. Hemagglutinin and Neuraminidase B. Glycoprotein120 (gp120) and Protein 24 (p24) C. Glycoprotein 41 (gp41) and glycoprotein 120 (gp120) D. Neuraminidase and protein 24(p24) A. Hemagglutinin and Neuraminidase A tech is testing a sorbitol negati...

Hemoglobin that has 200 times greater binding capacity for the hemoglobin molecules than oxygen? Carboxyhemoglobin Hemoglobin derivative that cause irreversible changes in the RBC cells Sulfehemoglobin Molecular structure of Hemoglobin S Lysine replaces glutamic acid in the 6th position of the beta chain Lab test to confirm the specific diagnosis of sickle cell anemia? Hemoglobin electrophoresis In Hemoglobin C what replaces glutamic acid? Lysine Which hem...

Hemoglobin that has 200 times greater binding capacity for the hemoglobin molecules than oxygen? Carboxyhemoglobin Hemoglobin derivative that cause irreversible changes in the RBC cells Sulfehemoglobin Molecular structure of Hemoglobin S Lysine replaces glutamic acid in the 6th position of the beta chain Lab test to confirm the specific diagnosis of sickle cell anemia? Hemoglobin electrophoresis In Hemoglobin C what replaces glutamic acid? Lysine Which hem...