Biology Essays Unit 5

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Include in your answer (a) a description of how you would set up and perform the experiment: (b) the results you would expect from your experiments: and (c) an explanation of those results based on the principles involved.

(Be sure to clearly state the principles addressed in your discussion.) 9. Choose THREE of the following four types of cellular transport.

Include in your discussion the major reactions, the end products, and energy transfers. The rate of photosynthesis may vary with changes that occur in environmental temperature, wavelength of light, and light intensity.

Using a photosynthetic organism of your choice, choose only ONE of the three variables (temperature, wavelength of light, or light intensity) and for this variable 12.

Unit 4 (Photosynthesis and Cellular Respiration) 10.

Describe the similarities and differences between the biochemical pathways of aerobic respiration and photosynthesis in eukaryotic cells.Scientists recently have proposed a reorganization of the phylogenetic system of classification to include the domain, a new taxonomic category higher (more inclusive) than the Kingdom category, as shown in the following diagram.Universal Ancestor Domain Bacteria Domain Archaea Domain Eukarya (Eubacteria) (Archaebacteria) (Eukaryotes) Unit 10 (Vertebrates, Basic Animal Structure and Function) 39.The following is a comprehensive list of essay questions that have been asked on past AP exams. Select three properties of water and: Unit 2 (Organic Chemistry, Biochemistry, and Metabolism) 2. The unique properties (characteristics) of water make life possible on Earth.State the conclusions reached by Mendel in his work on the inheritance of characteristics.Explain how each of the following deviates from these conclusions. Experiments by the following scientists provided critical information concerning DNA.Describe each classical experiment and indicate how it provided evidence for the chemical nature of the gene. Discuss Mendel’s laws of segregation and independent assortment.Explain how the events of meiosis I account for the observations that led Mendel to formulate these laws. An organism is heterozygous at two genetic loci on different chromosomes.What would be the effects of a substitution in one of the nucleotides? Describe the operon hypothesis and discuss how it explains the control of messenger RNA production and the regulation of protein synthesis in bacterial cells. Scientists seeking to determine which molecule is responsible for the transmission of characteristics from one generation to the next knew that the molecule must (1) copy itself precisely, (2) be stable but able to be changed, and (3) be complex enough to determine the organism’s phenotype. Describe the biochemical composition, structure, and replication of DNA.Discuss how recombinant DNA techniques may be used to correct a point mutation. Describe the production and processing of a protein that will be exported from a eukaryotic cell.

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