What happens to the photosynthetic reactions when no sunlight is present?
What will be an ideal response?
ATP and NADPH levels from the light reactions become limiting, and that in turn can lead to a decrease in sugar production following the Calvin cycle.
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Reciprocal translocations can affect gene dosage because:
A. the genes involved in the translocation are nonfunctional. B. the two chromosomes involved in the translocation may not assort together during meiosis. C. the two chromosomes involved in the translocation always assort together during meiosis. D. reciprocal translocation involves the duplication of one set of genes and the deletion of another set of genes. E. none of these
A selective medium contains one or more substances that inhibit growth of some microbes to facilitate the growth of other desired microbes.
Answer the following statement true (T) or false (F)
Which is a difference between prokaryotes and eukaryotes?
A) Prokaryotes have DNA, whereas eukaryotes have RNA. B) Prokaryotes have a nucleoid, whereas eukaryotes have a nucleus. C) Prokaryotes have RNA, whereas eukaryotes have DNA. D) Prokaryotes have a nucleus, whereas eukaryotes have a nucleoid. E) Prokaryotes have a cell wall, but eukaryotes do not.
What is the function of the release factor (RF)?
A. It releases the ribosome from the eR to allow polypeptides into the cytosol. B. It separates tRNA in the A site from the growing polypeptide. C. It binds to the stop codon in the A site in place of a tRNA. D. It releases the amino acid from its tRNA to allow the amino acid to form a peptide bond. E. It supplies a source of energy for termination of translation.