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Describe the chemical composition and configuration of enzymes and discuss the factors that modify enzyme structure and/or function. After an enzyme is mixed with its substrate, the amount of product formed is determined at 10-second intervals for 1 minute.Data from this experiment are shown below: Unit 3 (Cell Structure and Function, Cell division) 5. A laboratory assistant prepared solution of 0.8 M, 0.6 M, 0.4 M, and 0.2 M sucrose, but forgot to label them.
After four generations, the following results were obtained.
Unit 8 (Chemical Evolution, Prokaryotes, Eukaryote Evolution, Protista) 36.
Explain how ATP is involved in each example you choose.
Unit 5 (Meiosis, Mendelian Genetics, DNA Replication) 17.
Select two of the following three pairs and discuss the evolutionary relationships between the two members of each pair you have chosen.
In your discussion include structural adaptations and the functional significance.Describe the fluid-mosaic model of a plasma membrane. Include a description of mitosis and cytokinesis, and of the other phases of the cell cycle. After realizing the error, the assistant randomly labeled the flasks containing these four unknown solutions as flask A, flask B, flask C, and flask D.Discuss the role of the membrane in the movement of materials through it by each of the following processes: 6. Indicate the ways in which a nonphotosynthetic prokaryotic cell would differ in structure from this generalized eukaryotic plant cell. Design an experiment, based on the principles of diffusion and osmosis, that the assistant could use to determine which of the flasks contains each of the four unknown solutions.The arrows indicate reaction sites for two restriction enzymes (enzyme X and enzyme Y). Assume that a particular genetic condition in a mammalian species causes an inability to digest starch.This disorder occurs with equal frequency in males and females. Include in your discussion the factors that may contribute to the maintenance of genetic isolation. Do the following with reference to the Hardy-Weinberg model. In a laboratory population of diploid, sexually reproducing organisms a certain trait is studied.A portion of specific DNA molecule consists of the following sequence of nucleotide triplets.TAC GAA CTT GGG TCC This DNA sequence codes for the following short polypeptide.methionine – leucine – glutamic acid – proline – arginine Describe the steps in the synthesis of this polypeptide.What would be the effect of a deletion or an addition in one of the DNA nucleotides?Labeled diagrams that are explained in your answer may be useful.Unit 6 (Protein Synthesis, Gene Expression, DNA Technology) 21.