Why are gymnosperms no longer restricted to moist environments, as are ferns and mosses?
A. Because they have a new adaptation, lignin, that allows better transportation of water
B. Because they have a new adaptation, vascular tissues, that allow for the transport of water
C. Because they have a new adaptation, seeds, that allow gametes independence from water
D. Because they have a new adaptation, the phloem, that allows better transport of sugar
Answer: C
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AUGCGUCCA
The sequence of amino acids specified by this mRNA is a. serine – histidine – lysine. b. methionine – arginine – proline. c. methionine – alanine – serine. d. valine – arginine – leucine. e. none of these.
The nucleotide sequence in mRNA that carries the protein-building instructions is found in the ____
a. promoter b. nucleotide cap c. introns d. transcript e. exons
________ is the process of cell or tissue change in development
A) Transformation B) Morphogenesis C) Development D) Change E) None of these
The basal metabolic rate per unit of body mass is highest in a
A) large endotherm. B) small endotherm. C) large ectotherm. D) small ectotherm.