What DNA sequence elements define a transcription unit and how do they relate to the RNA that is produced?
What will be an ideal response?
Ans: The promoter, startpoint, and terminator sequences define the transcription unit, which constitutes a stretch of DNA expressed via the production of a single RNA molecule.
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The ancestor to all plants is believed to be
a. a green alga. b. a red alga. c. a brown alga, like kelp. d. a diatom. e. a sea grass.
Some strategies for protecting endangered species include the use of DNA profiling to identify illegally traded animal
parts and assisted reproduction techniques to help boost population numbers. These techniques are examples of _____. a. biotechnology b. gene pooling c. biosynthetics d. environmental forensics e. DNA cloning
In what type of habitat, or under what types of environmental conditions, would you expect adaptive radiation to occur?
What will be an ideal response?
Which of these are immune cells produced by the bone marrow?
A) Red blood cells B) B cells C) T cells D) Both B and T cells E) B cells, T cells, and red blood cells