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Questions in biology
📝 Answered - What do you think the most important discovery that Dr. Jane Goodall was able to make about chimpanzees during the early years of her research was, and why?
📝 Answered - Feedback inhibition differs from repression because feedback inhibition A) is less precise B) stops the action of preexisting enzymes C) is slower acting D) stops the synthesis of new enzymes E) all of the above
📝 Answered - Insulin and glucagon are hormones released by the A. stomach. B. pancreas. C. liver. D. brain.
📝 Answered - If a scientist isolates genes for Hepatitis B antigens from a Hepatitis virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected? A. Hepatitis B viruses B. Hepatitis B vaccine C. Hepatitis resistant bacteria D. Transgenic bacterial plasmids
📝 Answered - The organisms native to an area will impact the types of soil found in that area. Please select the best answer from the choices provided. A. True B. False
📝 Answered - What factors of host susceptibility are related to the pathogen? A. hygiene habits B. point of entry C. genetics D. stress E. general health
📝 Answered - Plasmids differ from transposons because plasmids A) become inserted into chromosomes B) are self-replicated outside the chromosome C) move from chromosome to chromosome D) carry genes for antibiotic resistance E) none of the above
📝 Answered - When an experiment is replicated, how should the results of the two experiments compare? A. The results of the first experiment should be less accurate. B. The results of the second experiment should be less accurate. C. The results of the experiments should be similar. D. The results of the experiments should be one hundred percent certain.
📝 Answered - Match the following descriptions relevant to the scientific method to the correct terminology. An explanation of a particular event or thing. Choose... Identifying a problem, collecting data, forming tentative hypotheses, and performing experiments to test the hypotheses. The scientific method A tentative, testable explanation of some observations. Hypothesis Data collected about natural processes using one or more of the five senses. Observations
📝 Answered - Mechanism by which the presence of glucose inhibits the lac operon. A) blocks DNA replication of the lac gene B) blocks translation of the lac mRNA C) blocks RNA polymerase from binding to the DNA D) blocks RNA polymerase from transcribing the DNA
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