Polysome formation in bacteria is able to occur because _________________.
A. they have a relatively small chromosome
B. they lack a nuclear membrane
C. they possess multiple orisequences
D. they possess a cell wall
Answer: B. they lack a nuclear membrane
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Substances that cannot be broken down into simpler substances are called ____________.
A. neutrons B. elements C. compounds D. protons
How would the hydrolysis of phosphodiester bonds impede the origin of life?
A. It would slow the rate of protein synthesis. B. It would prevent the assembly of nucleic acids. C. It would stop the formation of cell membranes. D. It would digest amino acids. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the molecular basis of early life-forms? 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?
The medulla of the kidney secretes epinephrine.
a. true b. false
Match the terms with the labeled structures on the diagram. 
axon
Fill in the blank(s) with the appropriate word(s).