As a newly hired molecular biologist for a company that produces genetically modified seeds, your first project is to ensure that a GM cotton plant carrying a bacterial insecticide gene is expressed in tissues of seedlings as well as mature plants. To better understand regulation of the gene, you decide to use ________ GFP fusion to detect activity of the promoter and also use ________ GFP fusion to determine the location of the protein in plants tissues at various stages of growth.
A. transcriptional; transcriptional
B. translational; translational
C. transcriptional; translational
D. translational; transcriptional
Answer: C
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Chemical synapses are distinctive for all of the following EXCEPT
a. they require the use of ligand-gated ion channels. b. they require the use of voltage-gated ion channels. c. they may utilize direct neurotransmitters. d. they require the use of vesicles. e. they require proteins.
What are transgenic organisms? Explain the rationale behind using these organisms to produce some of the proteins
needed for human use, instead of relying solely on proteins produced by genetically engineered E. coli What will be an ideal response?
Chargaff's rule states:
A. that there are 20 amino acids that make up all proteins B. that the ratio of carbon atoms to hydrogen atoms to oxygen atoms is 1:2:1 in carbohydrates C. that macromolecules are formed by dehydration synthesis reactions D. that lipids always will be hydrophobic molecules E. that in DNA molecules, the amount of adenine always equals the amount of thymine and the amount of cytosine always equals the amount of guanine
The "primary structure" of a protein refers to _____.
A. the ? helix or ? pleated sheets B. interactions among the side chains or R groups of the amino acids C. coiling due to hydrogen bonding between amino acids D. the weak aggregation of two or more polypeptide chains into one functional macromolecule E. the sequence of amino acids