All of the following are forms of oxidation EXCEPT
A. loss of an electron.
B. loss of hydrogen atom.
C. a dehydrogenation event.
D. substrate-level phosphorylation.
E. gain of an oxygen atom and its electrons.
Answer: D
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Which of the following is the correct path taken by sperm from site of production to site of ejection?
A. seminiferous tubules, epididymis, vas deferens, ejaculatory duct, urethra B. epididymis, seminiferous tubules, vas deferens, urethra, ejaculatory duct C. seminiferous tubules, vas deferens, ejaculatory duct, epididymis, urethra D. epididymis, seminiferous tubules, vas deferens, ejaculatory duct, urethra E. vas deferens, epididymis, seminiferous tubules, ejaculatory duct, urethra
Arteries carry
a. blood away from the heart. b. blood towards the heart. c. only oxygen-rich blood. d. only oxygen-poor blood. e. a combination of more than one of these
All scientific names of organisms must be
A.) unique and have two Latin words B.) different and repeat the phylum name C.) similar and include the common name D.) general and use the species name
Which enzymes perform proofreading during DNA replication?
a. DNA ligase b. DNA polymerase c. primase d. telomerase