Select the best response to the question.
?The nucleus of a cell is responsible for which of the following functions?
A) maintaining the shape of the cell
B) protecting the integrity of the cell
C) controlling the cell's activities
D) production and storage of energy
C
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Phytoplankton thrive in the limnetic zone of lakes and ponds
Indicate whether the statement is true or false
Transposons, or jumping genes, are DNA elements that move within the genome. In which organismic groups are transposons found?
A) ancient bacteria B) mammals C) eukaryotes D) bacteria E) all organismic groups
A gentleman noticed a rash, forming a target-like design, on his arm. Subsequently, he developed pain and later arthritis. The bacterium that caused his condition was most likely spread by ________
A) a mosquito B) uncooked food C) unprotected sex D) a tick
The term obligate refers to
A) The ability to exist in a wide range of conditions B) Using light for energy production C) Using oxygen for metabolism D) Using chemicals for energy production E) Existing in a very narrow niche