Oxygenic Guías de estudio, Notas de estudios & Resúmenes

Mastering Microbiology Practice Test. Which of the following types of organisms uses hydrogen sulfide for reducing power? - CORRECT ANSWER Purple Sulfur Bacteria In which organism would you likely find a chlorosome? - CORRECT ANSWER Green Sulfur Bacteria Which of the following is a bacterium that performs oxygenic photosynthesis? - CORRECT ANSWER Cyanobacteria Which of the following is a trait unique to photosynthetic eukaryotes? - CORRECT ANSWER the presence of chloroplasts At ...

Biology Midterm 2 Exam Questions With Verified Answers The cell membrane is considered __________ because it only allows certain compounds to travel through freely. - answerselectively permeable The random movement of molecules down their concentration gradient is called - answerdiffusion Moving down a concentration gradient means moving from a __________ (lower or higher) to a __________ (lower or higher) concentration. - answerhigher / lower Some compounds need to travel into the cell ...

Biology Midterm 2 Exam Questions With Verified Answers The cell membrane is considered __________ because it only allows certain compounds to travel through freely. - answerselectively permeable The random movement of molecules down their concentration gradient is called - answerdiffusion Moving down a concentration gradient means moving from a __________ (lower or higher) to a __________ (lower or higher) concentration. - answerhigher / lower Some compounds need to travel into the cell ...

BIO 250 Exam 1 Questions With 100% Correct Answers | Latest Graded A+ | Straighterline. Studies by Emil von Behring and Shibasaburo Kitasato demonstrated that inactivated toxins can induce the synthesis of antitoxins in the blood of rabbits. These antitoxins (antibodies) are the basis of Select one: a. humoral immunity. b. cell-mediated immunity. c. antibiotic immunity. d. phagocyte-mediated immunity. Graded Exam 1 2/9 Question 2 Correct 4.50 points out of 4.50 Question 3 Correct ...

BIOLOGY 171 EXAM 3 VOCABULARY LECTURE 13_17adaptive radiation—process in which organisms diversify rapidly from an ancestral species into a multitude of new forms (usually with ecological opportunities and morphological innovations) animals Archaeopteryx—oldest known fossil bird of the late Jurassic period; it had feathers, wings, and hollow bones like a bird, but teeth, a bony tail, and legs like a small dinosaur Archean Eon—4 to 2.5 BYA; oceans, volcanism, atmosphere-no oxygen, orig...

Who of the following provided the evidence needed to discredit the concept of spontaneous generation? Select one: a. Pasteur b. Koch c. Semmelweiss d. Lister The concept that human and animal diseases are caused by microorganisms is called the Select one: a. cell theory. b. germ theory. c. causative theory. d. disease theory. While each of these processes are believed to have evolved prior to aerobic respiration, which one is the most critical process, without which aerobic respi...

bio 152 88 CORRECTLY ANSWERED QUESTIONS LATEST UPDATE The endosymbiont theory proposes that chloroplasts evolved from When did the Earth form? Which of the following organisms can fix atmospheric N2 gas into useable forms of nitrogen? All bacterial cells in a biofilm have the same phenotype. true or false? Agrobacterium does which of the following: a. It fixes nitrogen b. It transfers DNA into plant cells c. It performs oxygenic photosynthesis d. It digests cellulose Which organisms a...

What microbial process was responsible for changing Earth's atmosphere from one without oxygen to one with oxygen? Oxygenic photosynthesis 2. In the nitrogen cycle, which of the following phases involves the release of Nitrogen into the Earth's atmosphere? Denitrification 3. Farmers commonly inoculate legume crops with Rhizobium bacteria for which of the following purposes? The two form a symbiotic relationship increasing the plant's access to nitrogen. 4. In the secondary phase of w...

What microbial process was responsible for changing Earth’s atmosphere from one without oxygen to one with oxygen? Select one: a. anaerobic respiration b. decomposition c. oxygenic photosynthesis d. temperature regulation In the nitrogen cycle, which of the following phases involves the release of nitrogen as into the Earth’s atmosphere? Select one: a. ammonication b. denitrication c. nitrication d. nitrogen xation Final Exam 2/21 Question 3 Incorrect 0.00 points out of 5...

FINAL EXAMINATION LEC. 9 ARCHEAE AND CYANOBACTERIA The Archaea  Crenarchaeota from Greek – crene; for spring or fountain  Thaumarchaeata from Greekthaumas; wonder  Euryarchaeota from Greek -eurus; wide archaeios for ancient or primitive) - to reflect the many ecological niches they occupy  highly diverse with respect to morphology, physiology, reproduction and ecology  best known for growth in anaerobic, hypersaline and high temperature habitats o these were often re...