Some members of the Archaea lack a cell wall.
Answer the following statement true (T) or false (F)
True
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MENDEL CROSSED PUREBRED PURPLE FLOWERS WITH PUREBRED WHITE FLOWERS AND THEY WERE ALL PURPLE. THE OFFSPRING ARE ALL ________ AND THE ALLELE FOR THE PURPLE FLOWER IS ______
What will be an ideal response?
Which statement best describes the composition of cell walls found in water molds?
a. All individuals have only walls made of cellulose. b. All individuals have only walls made of chitin. c. All individuals have only peptidoglycan walls. d. Some individuals have cell walls of chitin, and others have cell walls of cellulose. e. Some individuals have cell walls of chitin, some have cell walls of cellulose, and some have cell walls of both chitin and cellulose.
Gene expression involves two phases, translation and ________.
A. initiation B. transcription C. condensation D. replication
The oxygen-carrying component in red blood cells is
A) hemoglobin. B) bicarbonate ions. C) iron atoms freely floating in the blood plasma. D) the cell membrane.