The term peptidyl transferase relates to ________
A) elongation factors binding to the large ribosomal subunit
B) 5' capping of mRNA
C) discontinuous strand replication
D) base additions during mRNA synthesis
E) peptide bond formation during protein synthesis
E
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Prokaryotic cells are smaller than eukaryotic cells. What is a plausible explanation?
A. Prokaryotic cell walls limit their cell growth. B. Prokaryotes lack the genetic material needed for protein synthesis. C. Eukaryotes have compartmentalization, which allows for specialization. D. Prokaryotes have more diverse energy sources. E. Eukaryotes are immobile allowing them to grow larger. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about the structure of cells? How does it relate to the question? Consider Possibilities · 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?
Which of the following is an example of a positive feedback loop?
a. maintaining body temperature b. blood pH levels c. uterine contractions during childbirth d. blood glucose levels
Vessel elements and tracheids develop and become specialized hollow cells via the process of programmed cell death,
also called apoptosis. Indicate whether the statement is true or false.
A person with congenital hypothroidism will exhibit what symptoms?
A. myxedema B. short and stocky, possible mental retardation C. exophthalmic goiter D. simple goiter E. tetany