Ecology Unlike photosynthesis, carbon is the waste product in respiration, while oxygen is removed from the atmosphere. The bicarbonate is a source of energy for aquatic producers such as algae and other aquatic vegetation.
Account for the differences in oxygen consumption observed between: Explain why each of these features is necessary. 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.
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. Explain how these alleles are transmitted by the process of mitosis to daughter cells. Explain how these alleles are distributed by the process of meiosis to gametes.
Labeled diagrams that are explained in your answer may be useful. A portion of specific DNA molecule consists of the following sequence of nucleotide triplets. What would be the effect of a deletion or an addition in one of the DNA nucleotides? 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. Explain how DNA meets each of the three criteria stated above.
Select one of the criteria stated above and describe experimental evidence used to determine that DNA is the hereditary material. 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. Begin with the separation of the messenger RNA from the DNA template and end with the release of the protein at the plasma membrane.
Describe the steps of protein synthesis, beginning with the attachment of a messenger RNA molecule to the small subunit of a ribosome and ending generalized with the release of the polypeptide from the ribosome. Include in your answer a discussion of how the different types of RNA function in this process.Questions 3–8 are short free-response questions that require about 6 minutes each to answer.
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In flowering plants, pollination is a process that leads to the fertilization of an egg and the production of seeds. Some flowers attract pollinators, such as bees, using visual and chemical cues. When a . AP Biology - A Site maintained by the University of Georgia dedicated to improving the AP Biology Program.
Access Excellence AP Biology Site - Useful links and AP Biology Bulletin Board. Recent Essay Questions and Standards. AP® BIOLOGY SCORING GUIDELINES. Question 1. Trichomes are hairlike outgrowths of the epidermis of plants that are thought to provide protection against.