Which of the following structures is a part of the epithalamus:
A) hypophysis
B) corpus geniculatum mediale
C) habenular trigone
D) superior colliculus
Ans: C) habenular trigone
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Protein specificity is
A) the degree to which a protein is attracted to a ligand and the ability of a protein to bind a certain ligand or a group of related ligands. B) the degree to which a protein is attracted to a ligand. C) the activation of a specific protein that is needed to perform a particular function. D) the ability of a protein to bind a certain ligand or a group of related ligands. E) the degree to which a protein-ligand complex initiates a response.
________ considers developmental events that occur in the first two months after fertilization.
Fill in the blank(s) with the appropriate word(s).
The epidermis derives from
A. mesenchyme. B. ectoderm. C. granulation tissue. D. mesoderm.
Which describes the all-or-none law as it relates to muscle function?
A. All fibers in a motor unit contract or none of them do. B. All fibers in a fascicle contract or none of them do. C. The whole muscle contracts or it does not. D. All myofibrils contract maximally or they do not contract at all.