Human growth hormone is composed of 191 amino acids. This would place it in which class of hormone?
What will be an ideal response?
peptide
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Draw a microbial-based nitrogen cycle. In the open ocean there is plenty of sunlight and carbon dioxide for primary production, yet photosynthesis is limited in the open ocean compared to other aquatic environments
What limits photosynthesis in the open ocean? What will be an ideal response?
A site that has variation within the members of the population is said to be ________
A. Monomorphic B. Polymorphic C. Trimorphic
With minor exceptions, the genetic code
a. is the same for all living organisms and viruses. b. is specialized so that viruses have a different code from all living organisms. c. differs between different organisms and viruses. d. is the same for all viruses and for single-celled organisms, but is more complex in multicellular organisms. e. has three versions: one for viruses, one for single-celled organisms, and one for multicellular organisms.
Which statement is NOT generally true of
monocot stems? a. They do not undergo secondary growth. b. They are not tapered along their length. c. Their vascular bundles are distributed throughout the ground tissue. d. Monocot stems have a single, central vascular cylinder. e. All of these are not true.