Cyanobacteria Study guides, Class notes & Summaries
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MIC 102 Midterm one WQ2019 UC Davis questions with correct answers
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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 ...
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APSC 151 Final Exam Prep | 100% Correct | Verified | 2024 Version
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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 ...
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ENSU- 1130- Animal biology questions and answers
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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...
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Biology 1402- Test 1 Questions and Answers Already Passed
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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...
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CPSC 113 Final Exam 2023 with correct answers
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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...
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Illinois Aquatics Pesticide License (Questions and Answers, 100% Correct)
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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
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SWS4307 Final Questions and Answers
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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...
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Bio 1500 Final Exam (Questions & Answers) Rated 100%
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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 ...
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APSC 151 Final Exam Prep; Questions and Answers 2025/2024 Update 100% Solved
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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
- Exam (elaborations) • 16 pages • 2024
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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 
...
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