Respiration is a physiological process by which O2
enters the internal environment and CO2 leaves by
diffusing across a __________. Fill in the blank(s) with the appropriate word(s).
Answer: respiratory surface
Biology & Microbiology
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Reverse transcriptase is an enzyme that can synthesize DNA from an RNA template. What DNA sequence is produced from an RNA molecule with the sequence AUUGACGGU?
A. UAACUGCCA B. TTTCTGCCT C. TAACTGCCA D. ATTCAGCCT E. TUUCTGCCU
Biology & Microbiology
Four of the five answers listed below are stages of actual nuclear division. Select the exception
A) Prophase B) Anaphase C) Interphase D) Metaphase E) Telophase
Biology & Microbiology
What is the anticodon for AUC?
A) AUC B) TAG C) GAU D) UAG E) CUA
Biology & Microbiology
Brachiopods possess __________ germ layers.
a. no b. one c. three d. two e. four
Biology & Microbiology