Recall that archaea and bacteria used to be grouped in the same category. How were archaeons first distinguished from other prokaryotes?
A. through differences in cell size and shape
B. through the fact that archaeons have linear
and not circular chromosomes
C. through differences in ribosomal RNA
sequences
D. through the lack of horizontal gene transfer
in archaeons
E. through the observation that archaea cell
size is independent of diffusion
C
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a. developing additional roots. b. flowering more often. c. increasing leaf size. d. increasing stem growth.
During a dive, a marine mammal experiences an increase in the partial pressure of dissolved gases of about 1
atmosphere for every ____ meter(s) in depth
a. 1 b. 5 c. 10 d. 15 e. 20
Transgenic corn that contains a gene for herbicide resistance has raised concerns about its safety and
has been kept off the market. Indicate whether the statement is true or false.
Minerals that crystallize in the renal pelvis are referred to as
A) kidney stones. B) pelvic crystals. C) otoliths. D) osteocytes. E) renal deposits.