Cyanobacteria Study guides, Class notes & Summaries

The length of a bacterium such as Escherichia coli is approximately a. 1 µm = 0.001 mm b. 10 µm = 0.01 mm c. 100 µm = 0.1 mm CORRECT ANSWER a. 1 µm = 0.001 mm Lactobacillus spp. are classified in phylum a. Actinobacteria b. Firmicutes c. Proteobacteria CORRECT ANSWER b. Firmicutes According to the endosymbiotic theory a. chloroplasts evolved from members of phylum Cyanobacteria b. mitochondria evolved from members of phylum Euryarchaeota c. endoplasmic reticulum evolved ...

Complex multicellular organisms were not present in which Era A) Neogene B) Paleo-Proterozoic C) Mesozoic D) Precambrian - Neogene For a billion years or more, oxygen being produced by cyanobacteria was completely consumed in the process of A) The creation of chlorophyll B) The creation of phospholipid membranes on clay surfaces C) The precipitation of iron from the ocean waters D) Coal formation - The precipitation of iron from the ocean waters Which of the following igneous ...

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...

Biology 1402- Test 1 Questions and Answers Already Passed A community plus its physical environment is a/an ________. A) thallus B) ecosystem C) population D) plasmid ecosystem The ultimate source of energy for nearly all life on Earth is the sun; plants and certain other organisms convert solar energy into chemical energy by the process of _________. A) the citric acid cycle B) cellular respiration C) photosynthesis D) glycolysis photosynthesis ___________ includes chan...

This person, a NASA scientist, stated that they found alien remains on Earth and they could prove it: a) Richard Doll b) Richard Hoover c) James Lovelock d) Carl Sagan e) Tyron Hayes b) Richard Hoover Cyanobacteria fossils were found in meteorites, which NASA says proves that there is life on other planets. True or False False Antarctica's blood red waterfall can be blamed on: a) Sulfer b) Iron c) Methane d) Carbon Dioxide e) Chloride b) Iron To give a nonhuma...

Illinois Aquatics Pesticide License (Questions and Answers, 100% Correct) plants without stems, leaves, or vascular systems algae three types of algae microscopic, filamentous, chara turn water green, phytoplankton, turnover in spring microscopic algae blue-greem streaks, HAB cyanobacteria grows at surface or on submerged plants in mats, issue in cooling tower veins filamentous algae

Toxin producing organisms that are NOT pathogens are: A. Helicobacter and Yersinia B. Cyanobacteria and clostridium botulinum C. Escherichia and shigella D. Vibrio and shigella Ans- B. cyanobacteria and clostridium botulinum Which pathogen is most likely to be found in raw foods like unpasteurized milk? A. giardia B. legionella pneumophilia C. listeria D. vibrio cholera Ans- C. listeria Through the 20th century, strains of Salmonella have been used as agents of bioterror. Which pro...

chloroplasts - -contain the pigment chlorophyll -chlorophyll absorbs red, blue, & violet light ATP - -used to transport E around cells -chemical E stored in the bonds -important bonds between 2nd and 3rd phosphate group -going to lower energy state breaks bonds and releases the energy each molecule during diffusion - -moves randomly -behavior unpredictable -each individual molecule never stops moving dragon fly size - -high O2 levels in carboniferous allowed them to grow big -later in ...

APSC 151 Final Exam Prep; Questions and Answers 2025/2024 Update 100% Solved Complex multicellular organisms were not present in which Era A) Neogene B) Paleo-Proterozoic C) Mesozoic D) Precambrian Correct answer Neogene For a billion years or more, oxygen being produced by cyanobacteria was completely consumed in the process of A) The creation of chlorophyll B) The creation of phospholipid membranes on clay surfaces C) The precipitation of iron from the ocean waters D) Coa...

Ocean 100 SacramentoGrilo Final Exam with Certified Solutions biological productivity synthesis of organic materials from inorganic substances by photosynthesis/chemosynthesis what are the inputs & outputs of photosynthesis? inputs: water, carbon dioxide, & sun energy outputs: sugar & oxygen (6H2O + 6CO2 + sunlight - > C6H12O6 + 6O2) what are the different types of light penetration in the oceans? 1. red/orange = turned into heat energy b/c they cannot reach all the way down ...