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Bio 351 Exam 1 2025 Questions and Answers 100% Pass

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Bio 351 Exam 1 2025 Questions and Answers 100% Pass What are chromosomes made up of? - DNA packaged into chromatin telocentric - acrocentric - submetacentric - metacentric - karyotype - a complete set of chromosomes for an individual organism What do karyotypes tell us? - 1. the number of chromosomes is invariant within a species 2. there are two types of eukaryotic cells 3. the banding pattern of each type of chromosome is also variant 4. some chromosomes differ between the sexe...

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Bio 351 Exam 1 2025 Questions and Answers 100% Pass

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Bio 351 Exam 1 2025 Questions and Answers 100% Pass Chromosome types - metacentric, acrocentric, telocentric Metacentric chromosome - centromere in middle Acrocentric chromosome - centromere close to end Telocentric chromosome - centromere at telomere Karyotype - drawing/photo of chromosomes in a cell Usually during cell division usually stained What do Karyotypes tell us? - number of chromosomes in a species (invariant) 2 types of eukaryotic cells (haploid/diploid) Haploid (n) - one ...

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Developmental Bio 351 Exam 1 Questions and Answers 100% Pass

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Developmental Bio 351 Exam 1 Questions and Answers 100% Pass Commitment - A cell's developmental state has been restricted (even though its not overtly displayed) Specification - first stage of commitment (reversible) cells can differentiate in a neutral environment determination - the second, irreversible step of commitment WILL BECOME DETERMINED CELL TYPE DESPITE ENVIRONMENT differentiation - the generation of specialized cell types from committed precursors what are the two types ...

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BIO 351 Module 3 2025 Questions and Answers 100% Pass

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BIO 351 Module 3 2025 Questions and Answers 100% Pass The neural tube forms from the folding of the neural plate. Which region of the neural tube is the first to close? - B The brain is derived from which of the following: - ectoderm The nervous system begins as a flat neural plate that runs along the midline from rostral to caudal. Folding is initiated with the [ Select ] anchored to the [ Select ] and changes shape while the epidermal cells move toward the dorsal midline. - medial hing...

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BIO 351 Final Exam 2025 Questions and Answers 100% Pass

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BIO 351 Final Exam 2025 Questions and Answers 100% Pass What is the cell wall component that members of bacteria have that members of archaea do not? - peptidoglycan Long spiral bacteria that form flexible helices and have endoflagella are called - Spirochete Which of the three main components of flagella crosses the components of the cell envelope - basal body Polysaccharides that compose capsules and slime layers are termed - glycocylax This group of organisms are largely known to exi...

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BIO 351 Exam 1 Questions and Answers 100% Pass

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BIO 351 Exam 1 Questions and Answers 100% Pass Cyanobateria - fix carbon via photosynthesis Cyclic photosynthesis - results in production of ATP Plants were not "free" from the aquatic environment until - sperm no longer had to swim to the egg Which organism is correctly described - Chara: nonmotile, multicellular Which one is correct? of lycophyta:1n b.Megaspores of isolates: 2n c. leaf like structures of mosses: 1n d microspore: 2n - leaf like structures of mosses: 1n which ...

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Genetics BIO-351 Test #1 2025 Questions and Answers 100% Pass

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Genetics BIO-351 Test #1 2025 Questions and Answers 100% Pass A ___________ is a sequence of nucleotides that are basic units of biological information. - Gene ___________ is the science of heredity and it seeks a precise explanation of the biological structures and mechanisms that determine what is inherited and how it is inherited. - Genetics ___________ is the purposeful control over mating by choice of parents for the next generation. - Artificial Selection ___________ is the proces...

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BIO 351 Test #2 2025 Questions and Answers 100% Pass

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BIO 351 Test #2 2025 Questions and Answers 100% Pass population genetics - changes in relative abundance of genetic variants in a population can be tied to changes in relative abundance of genetic variants that influence them evolution - change across generations in the frequencies of alleles population - group of interbreeeding individuals and their offspring gene pool - all of the different genes in an interbreeding population genetic drift - decline of the relative frequency of a geno...

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Genetics BIO351 Tests #3 2025 Questions and Answers 100% Pass

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Genetics BIO351 Tests #3 2025 Questions and Answers 100% Pass The step in DNA replication in which the replication proteins open up the double helix and prepare for complementary base pairing is called - Initiation The protein that progressively unwinds DNA ahead of each replication fork is called: - Helicase Assume that a wild-type sequence is 5'AGCCTAC3'. Indicate the sequence that might be produced by a transversion - 5'ATCCTAC3' Assume that the mutation rate for a given g...

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