Which of the following microbes can oxidize ferrous iron while using chlorate or perchlorate as the electron acceptor?
A. Ferribacterium limneticum
B. Pseudomonas denitrificans
C. Thiobacillus ferrooxidans
D. Dechlorosoma suillum
Answer: D
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Which of the following highly contagious viruses is a single-stranded ribonucleic acid (RNA) virus with a helical capsid and envelope and is transmitted by coming in contact with respiratory secretions?
a. Coxsackievirus A b. Rhinovirus c. Parvovirus d. Measles
“Individuals change over the course of their lifetime and therefore evolve.” Why is this statement a misconception regarding evolution?
a. Individuals do not change over their lifetime b. The changes seen in an individual over their lifetime can be attributed to development, not evolution c. Individuals only change until puberty stops, so this is not evidence for evolution d. Individuals only change until they reach 40 and then stop, so this is not evidence for evolution
Of the following cells, which are most sensitive to reduced O2 levels?
a. heart cells b. kidney cells c. liver cells d. brain cells e. pancreatic cells
All lymph that returns to the heart must pass through at least one lymph node
Indicate whether the statement is true or false