Study guides, Class notes & Summaries

BIO 250 FINAL EXAM REVIEW QUESTIONS AND ANSWERS 100%2023/2024 What is Ophelia Syndrome? - correct answer Letting other people (especially teachers, parents, leaders, etc.) tell us what to think and do. Blindly accepting what they tell you. How do you treat Ophelia Syndrome? - correct answer 1. Seek out great teachers. 2. Plan to step out of bounds. 3. Learn to live with uncertainty. 4. Practice dialectical thinking. 5. Foster idle thinking. 6. Dare to know and trust yourself. ...

BIO 250 FINAL EXAM STUDY GUIDE VERIFIED ANSWERS 100%2023/2024 Protists contain all of the following forms of life EXCEPT A. protozoa. B. fungi. C. slime molds. D. algae. - correct answer B. fungi. Cells with a relatively complex morphology that have a true membrane-delimited nucleus are called A. prokaryotes. B. eukaryotes. C. urkaryotes. D. nokaryotes. - correct answer B. eukaryotes. Cells with a relatively simple cell morphology that do not have a true membrane-delimited nuc...

BIO 250 FINAL EXAM VERIFIED ANSWERS 100%2023/2024 1. Compression and impression 2. Permineralized 3. Casts and molds 4. Unaltered remains - correct answer What are the 4 general categories of fossils Footprints left in wet cement - correct answer General fossils: What is an example of compression and impression fossils? Sediments and minerals precipitated in cells - correct answer General fossils: What is an example of permineralized fossils? Decayed remains buried in sedime...

BIO 250 FINAL EXAM VERIFIED ANSWERS 100%2023/2024 What are the three major weaknesses/ biases in the fossil record? - correct answer Geographic bias: erosion to the fossil record because of the elements -Older fossils in older earth layers have had more time for geography to change. I.e. under water or subduction Taxonomic bias: taxonomic groups with no bones or shell to form a fossil -Some groups don't fossilize well (e.g. worms) Temporal bias: things that lived a long time ago are ...

BIO 250- FINAL EXAM WITH COMPLETE SOLUTIONS 100%2023/2024 besides nucleic acid a virus must posses - correct answer caspid the placing of viral DNA into the host cell genome is called - correct answer lysogeny the host cells for rhinoviruses are - correct answer humans spikes in the host cell membrane are coded for by the - correct answer virus the infectious dosage of rhinovirus can be as few as - correct answer one virus polio virus is transmitted by - correct answer fecal-or...

BIO 250 FINAL QUESTIONS AND ANSWERS 100%2023/2024 What are the 3 kinds of biases in the fossil record? - correct answer geographical, taxonomic, temporal What is geographical bias? - correct answer Certain climates are more conducive to fossil formations than others What is taxonomic bias? - correct answer certain taxa fossilize better than others (hard-bodied organisms) What is temporal bias? - correct answer the older a fossil is, the less likely we are to find it What are the 4...

BIO 250 LAB FINAL VERIFIED ANSWERS 100%2023/2024 macconkey is selective for - correct answer gram negative purple= - correct answer positive pink= - correct answer negative if the gram staining is positive then the staining was... - correct answer wrong because it doesn't match and you have to redo the stain antibiotics are for measuring - correct answer inhibition if both stay positive --> - correct answer know which is more positive which adjustment knob do you move fi...

BIO250 VERIFIED ANSWERS 100%2023 How is aerobic respiration different from anaerobic fermentation? - correct answer aerobic respiration produces more ATP per glucose molecule the deltoid muscle has multiple actions. select four of its actions from the list below. - correct answer -laterally rotates arm -abducts arm -flexes arm -medially rotates arm prime mover - correct answer produces most of the force synergist - correct answer aids the prime mover in a number of possible ways ...

BIOL 250 FINAL EXAM STUDY GUIDE AND HOMEWORK QUESTIONS AND ANSWERS 100%2023/2024 The lipopolysaccharide found in the outer membrane of Gram-negative bacterial cells is of medical importance because it acts as a(n): a. endotoxin b. antibiotic c. toxoid d. adhesin - correct answer a The degree of pathogenicity of an organism is known as the a) antigenicity. b) toxigenicity. c) virulence. d) cytopathic effect. - correct answer c The antibiotics commonly used to treat bacterial infe...

BIOL 250 FINAL EXAM VERIFIED ANSWERS 100%2023/2024 what types of biological molecules replicate DNA? - correct answer proteins what processes occur during interphase? - correct answer DNA replication organelle replication RNA synthesis protein synthesis is DNA, RNA, or both produced by DNA polymerase? - correct answer DNA you observe that Gene X is highly expressed in neurons but is not expressed in intestinal cells. If you could assess the chromatin surrounding Gene X in both cel...