Microorganisms require large quantities of this nutrient for use in cell structure and metabolism:
A. element
B. macronutrient
C. water
D. growth factor
E. trace element
Answer: B. macronutrient
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You discover a bacteria species in a deep ocean sample that can turn olive oil into pure gold. The bacteria do not replicate well at sea level, and one night all of your "Golden" bacteria die. What can you do to possibly retrieve the gold-making gene from the dead Golden bacteria?
A. Transform a live bacterial strain with the Golden bacteria's DNA. B. Transduce a live bacterial strain with the Golden bacteria's DNA. C. Conjugate a live bacterial strain with the Golden bacteria. D. Transduce the Golden bacteria and then infect a live strain of bacteria with the transducing virus. E. There is nothing you can do because the cells are dead. You will have to search the ocean and hope to find the elusive bacteria again.
Regulation of RNA transport through the nuclear membrane is as common in prokaryotes as in eukaryotes
Indicate whether the statement is true or false
A mutation in which one nucleotide in the DNA sequence is substituted for another nucleotide is referred to as a ________ mutation
Fill in the blank(s) with correct word
Oak trees grow slowly and put a lot of resources into the trunk, bark, and roots. Seeds are relatively heavy. In the plant kingdom, oaks might be considered:
A) K-selected. B) opportunistic. C) density independent. D) r-selected.