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Chapter 11: Cell Communication
Chapter 11: Cell Communication 1. What is a signal transduction pathway? A signal transduction pathway is the series of steps by which a signal from outside the cell is converted (transduced) into a functional change within the cell. 2. How does yeast mating serve as an example of a signal transduction pathway?
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Chapter 13: Meiosis and Sexual Life Cycles
jkellerbiologyportfolio.weebly.comChapter 13: Meiosis and Sexual Life Cycles 1. Define the following terms. A gene is a hereditary unit of coded information consisting of a specific nucleotide sequence in DNA (or RNA, in some viruses). The locus is a specific place along the length of a chromosome where a given gene is located. A gamete is a
Chapter 18: Regulation of Gene Expression
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jkellerbiologyportfolio.weebly.comAP Biology Reading Guide Julia Keller 12d Fred and Theresa Holtzclaw Chapter 14: Mendel and the Gene Idea 1. In the 1800s the most widely favored explanation of genetics was blending. The explanation of heredity most widely in favor during the 1800s was the “blending” hypothesis, the idea that genetic
Chapter 17: From Gene to Protein - Weebly
jkellerbiologyportfolio.weebly.comAP Biology Reading Guide Julia Keller 12d Fred and Theresa Holtzclaw Chapter 17: From Gene to Protein 1. What is gene expression? Gene expression is the process by which DNA directs the synthesis of proteins (or, in some cases, just RNAs). ... 29. Explain the concept of reading frame.
Chapter 8: An Introduction to Metabolism
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Chapter 9: Cellular Respiration and Fermentation
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Chapter 10: Photosynthesis
jkellerbiologyportfolio.weebly.com17. Use two key differences to contrast chemiosmosis in photosynthesis and cellular respiration. In mitochondria, the high-energy electrons dropped down the transport chain are extracted from organic molecules (which are thus oxidized), while in chloroplasts, the source of electrons is water. Chloroplasts do not need molecules
Chapter 11: Cell Communication
jkellerbiologyportfolio.weebly.coma functional change within the cell. 2. How does yeast mating serve as an example of a signal transduction pathway? Yeast cells use chemical signaling to identify cells of opposite mating type (a and α) and initiate the mating process. 3. Complete the chart of local chemical signaling in cell communication in animals.
Chapter 13: Meiosis and Sexual Life Cycles
jkellerbiologyportfolio.weebly.comWhat is a karyotype? How is it prepared? What are three things that can be determined from a karyotype? When images of the chromosomes are arranged in pairs, starting with the longest chromosomes, the resulting ordered display is called a karyotype. Karyotypes are prepared from isolated somatic cells, which are treated with a drug to
Chapter 16: Molecular Basis of Inheritance
jkellerbiologyportfolio.weebly.comallowed Watson and Crick to deduce the double-helical structure of DNA. 16. Distinguish between the structure of pyrimidines and purines. Explain why adenine bonds only to thymine. Adenine and guanine are purines, nitrogenous bases with two organic rings, while cytosine and thymine are nitrogenous bases called pyrimidines, which have a single ring.
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