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Exam (elaborations)
BI309 Practical Questions with Complete Verified Solutions.
when can you use a balance - Answer , never use a balance unless the smallest unit division is one tenth or less than the weight you wish to measure. Graduated cylinder - Answer 5-2000mL medium accuracy volumetric flask - Answer 5-2000mL high accuracy conical flask/beaker - Answer 25-2000mL low accuracy pastuer pipette - Answer 30microL to 2mL medium autopippete - Answer 1microL -10mL high weighing - Answer any volume high w/v , v/v - Answer ...
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BIO 309 Final Exam Questions All Answered Correct.
Popularhow are dicots and monocots different in terms of leaf venation patterns? - Answer - monocots have parallel pattern - dicots have a netted pattern how are dicots and monocots different in terms of root systems? - Answer - monocots have fibrous roots - dicots have tap roots how are dicots and monocots different in terms of flower parts? - Answer - monocots are in multiples of three - dicots are in multiples of four or five how are dicots and monocots different in terms of vas...
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BIO 309 Final Exam Questions with Already Passed Solutions 2025-2026 Latest Version.
How many new cases of AIDS are there each year? - Answer 3 million Where did the first vague symptoms of AIDS occur? - Answer Los Angeles, New York What are the opportunistic infections common to the first AIDS patients? - Answer PCP (pneumocystis pneumonia) and CMV (cytomegalovirus) What does AIDS stand for? - Answer Acquired Immune Deficiency Syndrome HIV Characteristics - Answer retrovirus, enveloped RNA, reverse transcriptase, protease, and integrase Theta repli...
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BIO 309 Final Exam Questions Answered Correct 2025 Updated.
Vascular tissue of plants - Answer xylem (conducts water & minerals) and phloem (conducts sugar) Plant phylogeny - Answer groupings in evolutionary history of plants 4 classes of plants - Answer bryophytes, seedless vascular plants, gymnosperms and angiosperms Most primitive plant - Answer bryophytes (mosses and liverworts); lacks vascular tissue, seeds and fruit/ ovary; dominant generation is GAMETOPHYTE Ferns - Answer very biodiverse, contains vascular tissue, domina...
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Exam (elaborations)
Bio 309 Final Exam Questions and Already Passed Solutions 2025 -2026 Edition.
phenotype - Answer the physical, observable expression of a characteristic or trait; "what you see" wildtype - Answer the phenotype we expect to see in wild individuals; notated by x+ where x is the allele for the gene and defined by having an allele frequency of greater than 1% Mendel’s law of independent assortment - Answer describes how different alleles of different genes behave individually linked genes - Answer genes that are located near each other on a chromo...
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BIO 309 Final Exam Questions and Already Passed Answers.
What are several features of the kingdom Plantae discussed in lecture? - Answer -fixed energy and carbon using photosynthesis -have rigid cellulose cell walls -are eukaryotic, multicellular, autotrophic What are at least five major reasons why all life should care about plants? - Answer 1. contribute to 21% atmospheric O2 (byproduct of photosynthesis) 2. are the base of food chains 3. provide structure (ecosystem function) 4. play significant role in hydrological cycle 5. provide...
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Exam (elaborations)
Bio 309 Exam 3 Study Guide Questions and Actual Answers.
How is gene expression controlled in eukaryotes? - Answer transcriptional regulation (turning transcription on and off) What are regulated genes? - Answer inducible and repressible genes that are only expressed under certain environmental conditions What are inducible genes? - Answer genes that are turned on in response to the environment What do inducible genes encode? - Answer enzymes involved in catabolic (degradative) pathways What are repressible genes? - Answer g...
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Exam (elaborations)
BIO 309 Exam 2 Latest Questions Answered Correct Graded A+ 20252026 Edition.
Because snakeroot was met with some level of success in the treatment of psychiatric disorders, what inhumane medical procedure was used far less often as a result? - Answer Lobotomy While snakeroot is no longer a main stay in human medicine today in the US, it greatly contributed because of its treatment of what two medical conditions? - Answer depletes nor-epinephrine and reduces blood pressure From what part of the papaya tree is the drug papain (chymopapain) obtained? - Answer ...
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