Bio Exam Answers Explained

Bio Exam Answers Explained - Member Names Ayo Oluseye...

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Unformatted text preview: Member Names: Ayo Oluseye, George Fountain III, Erica Moy, & Jade Pacaanas Team Name: Golden Retrievers Section: 7 Exam Answer Explanations EXAM 1 ANSWER EXPLAINATIONS 1. incorrect because the statement is false so it cannot be true. Because Prokaryotes do not have one or more internal, membrane-bound organelles B- incorrect because the statement is false so it cannot be true. Because Prokaryotes do not have one or more internal, membrane-bound organelles. C- incorrect because even though it says false, viruses do have membrane-bound organelles D- correct because the statement is false and prokaryotes do not have membrane-bound organelles 2. A- incorrect because chloroplasts and mitochondria are not found together in all plant cells. They are found in eukaryotes and not prokaryotes B- incorrect but true that chloroplasts and mitochondria have inner and outer membranes (double membrane) there are just more options C- incorrect but true that chloroplasts and mitochondria contain their own, organelle-specific DNA and ribosomes. There are just more options D- correct because the answer of B and C are both correct about chloroplasts and mitochondria E- incorrect because A is not correct even though B and C are 3. A- incorrect because the average eukaryotic cell does not synthesize hundreds or even thousands of new proteins per second using roughly 10 million ribosomes. It cannot produce that many B- correct because the average eukaryotic cell synthesizes hundreds or even thousands of new proteins per second using roughly 1 million ribosomes C-incorrect because the average eukaryotic cell does not synthesize hundreds or even thousands of new proteins per second using roughly 100,000 ribosomes. It can produce a lot more D- incorrect because the average eukaryotic cell does not synthesize hundreds or even thousands of new proteins per second using roughly 10,000 ribosomes. It can produce a lot more E- incorrect because the average eukaryotic cell does not synthesize hundreds or even thousands of new proteins per second using roughly 1,000 ribosomes. It can produce a lot more 4. A- incorrect because radioactively labeled nucleoplasims were not proteins they were atoms B- incorrect because core fragment tails remained behind in the cytoplasm not unlabeled tails C- incorrect because radioactively labeled nucleoplasim were not called “cores,” they were called “tails” D- correct because Nucleoplasim tails with a radioactive label attached were injected into the cytoplasm, and all of the label was later found in the nucleus E-incorrect because C is incorrect 5. A- correct because the purpose of the chase is to allow the researcher to follow the spatial and temporal distribution of the labeled pulse molecules B- incorrect because the chase does not provide a second way to track that pathway under study....
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This note was uploaded on 01/22/2011 for the course BIO 100 taught by Professor Sokolove during the Fall '08 term at UMBC.

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Bio Exam Answers Explained - Member Names Ayo Oluseye...

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