Molecules that absorb light are called
A. enzymes.
B. pigments.
C. photosynthesizers.
D. electron carriers.
E. absorbers.
Answer: B
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an mRNA transcript of the human XYZ gene was introduced into a yeast cell, the transcript would be:
a. degraded immediately. b. translated into a yeast-specific gene. c. translated into the human XYZ protein. d. exported outside the cell. e. transcribed into the XYZ mRNA.
A researcher is using molecular phylogenetic techniques to determine the evolutionary relationships of a large set of animal species. Which type of species are most likely to have been wrongly classified based on morphology alone?
A. Parasitic species B. Terrestrial species C. Species with spiral development D. Bilateral species E. Aquatic species
Drupes have multiple seeds and fused carpels.
Answer the following statement true (T) or false (F)
Which of the following is an example of a tissue?
A) heart muscle B) heart C) red blood cell D) circulatory system