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BSC 108 Study guides, Class notes & Summaries
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BSC 108 Exam #3 – Questions & Solutions (100%)
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BSC 108 Exam #3 – Questions & Solutions (100%)
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BSC 108 test 3|Review | Questions with 100% Correct Answers | Verified | Latest Update
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Formation of a new species is called - ️️speciation 
 
As a mechanism of evolution, natural selection can be most closely equated with - ️️unequal reproductive success 
 
What is NOT an example of natural selection? - ️️On a tree, leaves that grow in the shade are larger than those that grow in the sun 
 
Which of the following pairs of anatomical structures are homologous? - ️️bat wing and human arm 
 
A gene pool is - ️️All of the alleles in a population 
 
The smallest bio...
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BSC 108 Test 1 complete questions and answers exams
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BSC 108 Test 1 complete questions and answers exams
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BSC 108 Yates Test 1 questions and answers latest update
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BSC 108 Yates Test 1 questions and answers latest update
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BSC 108 -ALABAMA actual questions and answers Exam 1
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BSC 108 -ALABAMA actual questions and answers Exam 1
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BSC 108 TEST 3 | 100% Correct | Verified | 2024 Version
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how do new viruses arise - 
mutation of existing viruses 
spread to new host species 
what is the expected phenotypic ratio in the F2 generation from a true-breeding monohybrid cross? - 
3 dominant to 1 recessive 
blood type is an example of - Multiple allele and co-dominance 
in humans, the _________ determines the sex of the offspring because ______________. - male... 
the male can either contribute an X or a Y chromosome 
___________ is defined as an organism's expressed physical traits - p...
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BSC 108 Test 1 | 100% Correct | Verified | 2024 Version
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What is biology? - the scientific study of life 
What are the 3 domains? - Eukarya, Bacteria, Archaea 
What is the scientific process? - a formal process of inquiry 
What are the components of the scientific method? - observation, question, hypothesis, prediction, 
experiment, results 
What are the components of a good hypothesis? - should be specific; usually "if, then" statements 
What is a theory in science? - a broad and comprehensive statement about the world that is 
supported by the acc...
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BSC 108 Test 1 | 100% Correct | Verified | 2024 Version
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What is Biology? - The study of Life 
What are the 3 domains? - Eukarya 
Bacteria 
Archea 
What are the 4 kingdoms in Eukarya? - Protista 
Fungi 
Plantae 
Animalia. 
What are the properties of life? - Order 
Reguation 
Growth & development 
Energy processing 
Response to environment 
Reproduction 
Evolution 
How do you define something as living? - Have order 
Regulate themselves (homeostasis) 
Grow & develop 
Use energy 
Respond to environment 
ReproduceEvolve 
What is the scientific method? Kn...
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BSC 108 Final Exam | 100% Correct | Verified | 2024 Version
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doing all of the above ----introduced species can have important effects on biological communities by 
________________________: 
preying upon native species 
competing with native species for resources 
reducing biodiversity 
doing all of the above 
favorable traits accumulate over time ----which can be inferred from natural selection? 
hybrid sterility tests ----all of the following are things used to determine relationships among 
organisms except: 
fossil evidence 
molecular evidence 
anatom...
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BSC 108 Exam 4 | 100% Correct | Verified | 2024 Version
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What is microevolution? - The change in allele frequencies that occurs over time within a population. 
What is macroevolution? - Major evolutionary changes over time, the origin of new types of 
organisms from previously existing, but different, ancestral types. 
What is a species? - A group of populations whose members possess similar anatomical 
characteristics and have the ability to interbreed. 
What is allopatric speciation? - The formation of a new species in populations that are geographi...
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BSC 108 Exam 3 | 100% Correct | Verified | 2024 Version
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The structure of a strand of DNA. - it is a double helix, like a twisted ladder. 
the ladder rings are nucleotide subunits and they have a covalent bond to the sugar phosphate 
backbone (made of deoxyribose and a phosphate group) 
What are the nucleotide subunits? - adenine, guanine, cytosine, and thymine 
How are the subunits held together? - through a hydrogen bond 
What are the nucleotide subunits compliments? - Adenine and thymine 
cytosine and guanine 
How does DNA replicate? - the parent s...
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BSC 108 Exam 3 | 100% Correct | Verified | 2024 Version
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Describe the process of transcription. What are the starting molecules and the end products? - 
Transcription is the manufacture of a strand of RNA complementary to a strand of DNA. In initiation, 
RNA polymerase binds to a promoter region on the DNA strand. RNA synthesis occurs during the 
elongation phase as RNA nucleotides are added to the growing RNA polynucleotide. When the RNA 
polymerase reaches the terminator region of the gene, elongation stops and the polymerase and new 
RNA molecule d...