The realized niche of Semibalanus is

A. bigger than its fundamental niche.
B. the same as its fundamental niche.
C. the same as that of Chthamalus.
D. smaller than its fundamental niche.


B. the same as its fundamental niche.

Biology & Microbiology

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Most halobacteria are motile by means of lophotrichous flagella

Indicate whether the statement is true or false.

Biology & Microbiology

The site of translation in all living cells is the ribosome, which is

a. made of large and small subunits in both prokaryotes and eukaryotes. b. made of large and small subunits in eukaryotes, but is a single unit in prokaryotes. c. a single unit in both prokaryotes and eukaryotes. d. made of large and small subunits in prokaryotes but is a single unit in eukaryotes. e. larger in prokaryotes than eukaryotes

Biology & Microbiology

A mutation that results in the addition or deletion of a single nucleotide and therefore radically changes the amino acid sequence of the resulting polypeptide is known as a ________ mutation

Fill in the blank with correct word.

Biology & Microbiology

Which of the following cell types conducts water most rapidly through a plant?

A. sieve tubes B. phloem C. vessel members D. parenchyma cells E. sclerenchyma cells

Biology & Microbiology