Bio 204 - Study guides, Class notes & Summaries

PURDUE BIO 204 EXAM 1 2024 WITH 100% CORRECT ANSWERS In the breakdown of hemoglobin, the globin chains... - correct answer are broken down by macrophages into amino acid In the breakdown of hemoglobin, the iron... - correct answer is transported by transferrin to the liver, spleen, and bone marrow Which of the following is the correct sequence in the breakdown of the non-iron portion of the heme? - correct answer Heme, biliverdin, bilirubin, conjugated bilirubin, bilirubin derivative...

Cytoskeleton - network of actin fibers, microtubules and intermediate fibers intertwined and holds the cell together What is an anticodon? - the area on the tRNA that bonds to the mRNA codon with opposite bases Describe the important characteristics of the Miller-Urey experiment regarding pre-biotic earth - They started in a lab with the molecules thought to be dominant on early earth, CH4, NH3, H2, H2O, and possible CO2 And put them in similar environments to that on early earth, one wit...

Bio 204 Lab report Lab 2_ Enzymes –Principles of Biology I (Athabasca University) exam prep

Which of the following was used in the past to prevent the transmission of gonorrhea from an infected mother to her newborn? - silver nitrate In microbiology, the term "growth" could easily refer to which of the following? - An increase in the number of microbial cells A colony-forming unit is the number of cells - that produce only one colony Small organic molecules called vitamins function as coenzymes or as components of coenzymes. - True The length of the lag phase of growth ca...

Levels of Biological Organization - BECPOOTCOM BECPOOTCOM - The biosphere, Ecosystems, Communities, populations, organisms, organs/organ systems, tissues, cells, organelles, molecules communities - array of organisms inhabiting a particular ecosystem population - all of the individual species living within the bounds of a specified area system biology - the exploration of a biological system by analyzing the interactions among its parts eukaryotic cell - contains membrane-enclosed...

high H+ - correct answer What stimulates the central chemoreceptors simple squamous - correct answer In the alveoli the epithelium is __________________, relaxes, decreases - correct answer When the diaphragm _________________, air leaves the lungs and the volume of the thorax ___________________. pulmonary surfactant, lower - correct answer The most important component of alveolar fluid is a substance called _______________. Its function is to __________ surface tension. car...

platelet - correct answer involved in the process of blood clotting eosinophil - correct answer destroy larger parasites erythrocyte - correct answer lack nuclei neutrophil - correct answer first line of defense against invading bacteria what three major components make up a blood clot? - correct answer platelet, cells, fibrin platelets break are fragments of a very large cell called a ______________. These large cells are found in the _____________. - correct answer m...

If the partial pressure of oxygen in inspired air is 150 mm Hg compared with 110 mmHg in alveolar air, what is the most likely value for expired air? A. 125 B. 104 C. 80 D. 180 - correct answer A. Pulmonary surfactant: A. causes atelectasis when secreted in excessive amounts B. contains carbonic anhydrase C. is secreted by type II alveolar epithelial cells D. contains a mixture of carbohydrates - correct answer C. Atelectasis is... A. pulmonary embolism B. hypoventilation C...

Which of the following characteristics describes only true terrestrial animals with no need to return to water at any stage of the life cycle? - amniotic eggs Which of the following represents the strongest evidence that two of the three middle ear bones of mammals are homologous to certain bones in the lower jaw of reptiles? - the bones can be observed to move from the developing jaw to the developing middle ear in mammalian embryos In general, where on Earth would you expect to find the ...

Define ventilation. - correct answer Air exchange between atmosphere and alveoli Define phonation. - correct answer Vibration of true vocal cords Define pitch and explain how a high pitch can be produced. - correct answer Rate of vibration- high: shorter, thinner, tighter cords Define volume as it applies to the respiratory system. - correct answer Loudness - force of air flow; causes greater vocal cord displacement Define resonance. What is the function of resonance? - corr...