The giant kelp found along the Pacific coast is an example of
A) slime molds.
B) phytoplankton.
C) cyanobacteria.
D) brown algae.
E) water molds.
D
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What is the smallest unit of life?
A. An atom B. A molecule C. An organism D. A cell
The observable expression of the genes present is called
A. genotype B. karyotype C. epistasis D. phenotype
Proteins differ from one another because
A) the peptide bonds linking amino acids differ from protein to protein. B) the sequence of amino acids in the polypeptide chain differs from protein to protein. C) each protein contains its own unique sequence of sugar molecules. D) the number of nucleotides found in each protein varies from molecule to molecule.
Blood clots are formed by platelets and the plasma protein
A) thrombus. B) fibrin. C) erythropoietin. D) fibrinogen.