EP CAMPBELL BIO.IN FOCUS AP-MOD.MASTER.
3rd Edition
ISBN: 9780137453092
Author: Urry
Publisher: SAVVAS L
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Chapter 1, Problem 10TYU
FOCUS ON INFORMATION
A typical prokaryotic cell has about 3,000 genes in its DNA while a human cell has almost 21,000 genes About 1000 of these genes are present in both types of cells. (a) Based on your understanding of evolution explain how such different organisms could have this same subset of 1,000 genes. (b) What sorts of functions might these shared genes have? Justify your choices
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Chapter 1 Solutions
EP CAMPBELL BIO.IN FOCUS AP-MOD.MASTER.
Ch. 1.1 - Starting with the molecular level in Figure 1.3,...Ch. 1.1 - Identify me theme or themes exemplified by (a) the...Ch. 1.1 - WHAT IF? For each theme discussed in this section...Ch. 1.2 - How is a mailing address analogous to biologys...Ch. 1.2 - Explain why editing is an appropriate metaphor for...Ch. 1.2 - DRAW IT Recent evidence indicates that fungi and...Ch. 1.3 - Contrast inductive reasoning with deductive...Ch. 1.3 - What qualitative observation led to the...Ch. 1.3 - Why is natural selection called a theory?Ch. 1.3 - How does science differ from technology?
Ch. 1 - All the organisms on your campus make up A. an...Ch. 1 - Which of the following best demonstrates the unity...Ch. 1 - Prob. 3TYUCh. 1 - Prob. 4TYUCh. 1 - Which of the following best describes the logic of...Ch. 1 - DRAW IT With rough sketches, draw a biological...Ch. 1 - SCIENTIFIC INQUIRY Based on the results of the...Ch. 1 - Prob. 8TYUCh. 1 - FOCUS ON EVOLUTION In a short essay (100-150),...Ch. 1 - FOCUS ON INFORMATION A typical prokaryotic cell...Ch. 1 - SYNTHESI7F YOUR KNOWLEDGE Can you pick out the...
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- I need the answer as soon as possiblearrow_forward. In examining Figure 3-19, what do you think is the mainreason for the difference in size of yeast and humanmtDNA?arrow_forwardAsian tiger mosquito Trace its origin and evolutionary history or changes in the species. Describe its structures and their functions. What is the importance of this species to our environment? Give trivia about this species. Does this organism produce oxygen? Explain. What are the ancestral species of your chosen organism? Has this species been genetically engineered? If yes, in what way? How does this species reproduce? What organisms have similar structures to this species? Do these structures have the same function? Does the species have tissues, organs, and/or organ systems? What is its role in the flow of energy? Give at 15 least a sentence to each question.arrow_forward
- A CRISPR locus in a bacterium contains (a) short repeated sequences (b) short DNA sequences homologous to bacteriophages (c) genes that encode guide RNAs and one or more proteins (d) a, b, and c (e) none of the precedingarrow_forwardExplain why the answer is correct. For eukaryote cells to evolve into new types of eukaryotic organisms, which of the following would one expect to occur? The correct answer is E a) these cells have evolved because they have different DNA because of mutations b) Their endoplasmic reticulum is synthesizing new and/or different proteins. c) These specialized cells activate new genes to synthesize new proteins. d) these organisms have new characteristics because they have acquired new genes. e) all of these are truearrow_forwardEvolution, which involves genetic changes in a population of organisms over time, is often described as the unifying theme in biology. Discuss how evolution is unifying at the molecular and cellular levels.arrow_forward
- What's In Let us review what you have learned from the previous module. Answer the activity below. ACTIVITY 1. Match Me! Directions: Match Column A with the correct answers in Column B by writing the number of your answers in the Answer Grid. If all your answers are correct, the sum when answers are added horizontally, vertically, or diagonally will give you a magic number. Column A Column B a. A process in which new species form b. Authored the Theory of Evolution by Natural Selection 1. Thomas Malthus 2. Hybrid sterility c. It occurs when a hybrid develops, matures but fails to reproduce increasing 3. Pre-mating isolating mechanism d. States that human 4. Jean Baptiste Lamarck population limits resources e. Species will different mating seasons f. Sought pieces of evidence for the idea of uniformitarianism due to 5. Temporal isolation not mate 6. Speciationarrow_forwardWhat's In Let us review what you have learned from the previous module. Answer the activity below. ACTIVITY 1. Match Me! Directions: Match Column A with the correct answers in Column B by writing the number of your answers in the Answer Grid. If all your answers are correct, the sum when answers are added horizontally, vertically, or diagonally will give you a magic number. Column A Column B a. A process in which new species form b. Authored the Theory of Evolution by Natural Selection 1. Thomas Malthus 2. Hybrid sterility 3. Pre-mating isolating mechanism c. It occurs when a hybrid develops, matures but fails to reproduce d. States population limits resources e. Species will different mating seasons f. Sought pieces of evidence for the idea of uniformitarianism that increasing human 4. Jean Baptiste Lamarck due 5. Temporal isolation not mate to 6. Speciation 1arrow_forwardConsidering the evolution of species, could a gene that is conserved from yeast to humans have evolved to confer some of the complex traits that we observe in modern animals, like multicellularity? Briefly explain.arrow_forward
- EVOLUTION LINK DNA technology, such as the production of transgenic animals, is possible only because widely different organisms have essentially identical genetic systems (DNA RNA protein). What is the evolutionary significance of the universality of genetic systems in organisms as diverse as bacteria and pigs?arrow_forwardRecall from our classes on molecular evolution that some proteins evolve more rapidly than others. For example, the oxygen-carrying protein myoglobin evolves more quickly than the D1 protein of photosystem II. What explains this difference in the rate of protein evolution? A. Proteins like myoglobin have evolved more recently than proteins like D1 and thus have been forced to evolve more quickly. B. Changes to the sequence of some proteins can be tolerated as they don’t alter fitness; for other proteins, sequence changes are usually harmful. C. In constrained proteins like D1, evolution results primarily from nucleotide changes that alter the amino acid sequence of the protein. D. Protein evolution is dependent upon the rate of gene mutation and some genes have a higher rate of mutation than others.arrow_forward1.) I have attempted to make connections between these topics throughout the semester: the idea of multicellularity, complexity, pattern formation, signaling, embryonic development and postembryonic development. Discuss these ideas from simple organisms, like Dicty or Volvox to more complex organisms like insects and vertebrates. How are these ideas similar and how are they connected through evolution? Use examples from class. (20 Points, limit to 1 page) 2.) Early in this semester I introduced you to the concept of the developmental biology tool kit. Throughout the semester we have built upon that tool kit. A sample of your tool kit includes gene expression, morphogens, scaffolds, time, endocrine, nervous system, cell division, electromagnetic fields, migration, and cell adhesion. Using examples from embryology, regeneration and post embryonic development discuss the aforementioned tools. (20 Points, limit to 1 page) 3.) This picture depicts one of Weismann's contributions to…arrow_forward
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