Griffith first proposed the "transformation principal" through his studies on Streptococcus pneumoniae bacterium. Which of the following molecules was later found to be responsible for this phenomenon?
A. protein.
B. RNA.
C. DNA.
D. phage.
E. bacteriophage.
C. DNA.
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C4 plants are able to reduce photorespiration by creating a high concentration of CO2 in bundle sheath cells where the Calvin cycle occurs
A. true B. false
Integrase
A. is required for prophage formation. B. cuts viral genomes. C. is required for genome entry into the bacteria. D. is required for provirus formation. E. cuts the viral genome and is required for both prophage and provirus formation
Why are children often told that if they eat too much candy their teeth will fall out?
A. Sugar attacks tooth enamel. B. Sugars gradually replace the tooth enamel. C. Bacteria use the sugar to make ATP. This fermentation process produces acids as a by-product. D. Bacteria secrete acids in order to digest the sugar molecules. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know sugars? How does it relate to the question? · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Bone matrix is secreted by
a. osteoblasts. b. osteocytes. c. osteolytes. d. osteoclasts. e. osteopores.