Diatoms require silicon due to their
A) DNA replication mechanism.
B) unique phototrophic physiology.
C) ornate frustules.
D) Ca2+/Si4+ symporters.
Correct Answer:
Verified
Q8: What substrate does Alcanivorax borkumensis grow on?
A)
Q9: The temperature of a copper- leaching dump
A)
Q10: Nitrate (NO3- ) reduced into ammonia (NH3)
Q11: The metabolic process of denitrification
A) oxidizes NO3-
Q12: Which of the following is NOT a
Q14: When dimethylsulfoniopropionate (DMSP) is aerobically degraded in
Q15: Frozen methane molecules are called
A) methane anhydrate.
B)
Q16: Mercury is NOT used in
A) neurotoxins.
B) pesticides.
C)
Q17: The burning of fossil fuels produces significant
Q18: Which statement exemplifies the biological pump concept?
A)
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