Reactions involving ligases are typically ________ reactions.
A. anabolic
B. catabolic
C. both anabolic and catabolic
D. neither anabolic nor catabolic
E. exergonic
Answer: A
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The steps necessary for hearing include (1) amplification of sound waves, (2) transfer of sound vibrations to fluid pressure waves, and (3) mechanoreception by hair cells of the cochlea. How are the sound vibrations transferred to fluid pressure waves?
A. by the bones of the middle ear B. through the oval window C. by the tympanic membrane D. by the action of the vestibular system
CAM plants typically live in hot, dry deserts
Indicate whether the statement is true or false
Your sister cut herself with a knife, and within a few days, she had a severe pus-producing infection of the hand. A day later, skin begins to come off, exposing muscle and other tissue below the skin. Predict what caused the severity of this infection.
A. The infectious agent is a fungus. B. This is not an infectious disease; it is an autoimmune disease. C. The infectious agent is likely a virus. D. The infectious agent produces exotoxins.
What does "transfer RNA" actually transfer?
A) Ribosome B) Codons C) Amino acids D) Transcripts