Cyanobacteria Study guides, Class notes & Summaries

WVU Biology 102 Exam 2 Questions and Answers Already Passed What products from the light reactions move on to the Calvin cycle? ATP and NADPH If a thylakoid membrane was punctured so that its interior was no longer separated from the stroma, which of the following processes would be directly affected? the synthesis of ATP A photosystem is a collection of pigments arranged in the thylakoid membrane When electrons from PSII are passed on to the electron acceptor, they are replaced ...

What is the goal of bioremediation? - To clean up areas polluted with toxic compounds using bacteria Broad-spectrum antibiotics inhibit the growth of most intestinal bacteria. Consequently, assuming that nothing is done to counter the reduction of intestinal bacteria, a hospital patient who is receiving broadspectrum antibiotics is most likely to become - deficient in certain vitamins and nutrients If prokaryotes did not exist, what would change in the nitrogen cycle? - The rate of movement ...

First cells would have been autonomous, membrane-bound units capable of self-replication requiring - ANSWER-nucleic acids RNA - ANSWER-• RNA has catalytic activity (ribozymes) .• First enzymes could have been RNA. • Earliest self-replicating molecules could have been RNA. • Proteins are better catalysts and DNA is more stable than RNA Earliest organisms: - ANSWER-• Probably primary heterotrophs .• Derived nutrients from the environment. • No need to synthesize own food aut...

Which of the following describes the relationship of mycorrhizal fungi and plants? CORRECT ANSWER they live in and among plant roots, supplying plants with nutrients. Fungi that absorb nutrients from decaying plant matter are called ________. CORRECT ANSWER saprobes Which of the following best describes how fungi are able to obtain nutrition? CORRECT ANSWER absorbing nutrient via external digestion The main body of a fungus, which is composed of a mass of tubular hyphae: CORRECT ANSWER ...

The length of abacterium such as Escherichia coliis approximately CORRECT ANSWER 1 μm = 0.001 mm Lactobacillusspp. are classified in phylum CORRECT ANSWER Firmicutes According to the endosymbiotic theory CORRECT ANSWER chloroplasts evolved from members of phylum Cyanobacteria ______ identifies what genes are expressed in a community. CORRECT ANSWER Metatranscriptomics The most abundant phyla in the human gut microbiome are CORRECT ANSWER Bacteroidetes and Firmicutes ______ is a c...

ATP is a Select one: a. by-product of ADP that breaks down phosphates for photosynthesis. b. catalyst for all chemical reactions that occur in the cell. c. long chain of nucleotides responsible for protein synthesis. d. nucleotide that releases and stores energy in the cell. A viral capsid is composed of Select one: a. carbohydrates. b. lipids. c. enzymes. d. proteins. Which of these are NOT considered living organisms? Select one: a. monera b. plants c. protists d. viruses Fin...

Duquesne Bio 112 Exam 2 Latest Update Graded A+ Conjugation DNA from a donor cell is transferred to an adjacent recipient cell Transformation DNA released into the environment by dead cells is taken up by a recipient cell Transduction DNA is transferred from a donor to a recipient cell by a virus Three domains Eukarya Archaea Bacteria Eukarya and Archaea are more closely related Archaeon Enviornments Many archaea are extrelmeophiles carbon fixation and respiration Bacter...

Emergent Properties correct answersDue to the arrangement and interaction of parts as complexity increases. pg 3 Reductionism correct answersThe reduction of complex substances to simpler components that are manageable to study. This is a powerful strategy in biology. pg 3 benign tumor correct answersA mass of abnormal cells that remains at the site of its origin. Heterochromatin correct answersThis shows as dark areas on the eukaryotic nucleas; it is densly packed chormatin (DNA and pr...

Prokaryotes do not have sexual reproduction, a major source of genetic diversity. How do they evolve so quickly compared to many eukaryotes? A)Prokaryotes have higher rates of mutation than eukaryotes. B)Prokaryotes have shorter generation times than eukaryotes. C)Prokaryotes are evolutionarily older than eukaryotes, so they have more experience adapting. D)All of the above - Answer-B)Prokaryotes have shorter generation times than eukaryotes. You collect a sample of bacteria from a nearby ...

Brooks Biodiversity Unit 2 Exam with Certified Solutions The Primary role of Fungi Decomposers- they break things down Modes of Nutrition in Fungi Heterotrophs with extracellular digestion Exoenzymes Fungi Release these enzymes outside of the cell wall. Break down complex molecules into smaller organic molecules which can be absorbed. Extracellular Digestion The release of exoenzymes out side of the cell wall, followed by the absorption of nutrients.. Saprobes Fungi that feed...