A marine fish with a cold body temperature that matches its cold surroundings is an example of
A. regulating.
B. conforming.
C. conditioning.
D. negative feedback.
Answer: B
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Answer the following statements true (T) or false (F)
1. Phylogenetic analyses of some vertebrate mineralcorticoid and glucocorticoid receptors and their ligands has suggested that the hormones evolved prior to their receptors. 2. Vasotocin is present in non-mammalian vertebrates and shares structural and functional properties with mammalian antidiuretic hormone and oxytocin. Through these similarities it has been suggested that vasotocin could be the ancestral precursor to the posterior pituitary hormone in vertebrates. 3. Vitamin D is a hormone produced in part by exposure to sunlight. 4.
Which statement is NOT correct about the results of the Hershey-Chase experiment with the T2 virus?
a. Radioactively labeled protein was found in the bacteria, not in the virus coats. b. Radioactively labeled DNA was found in the bacteria, not in the virus coats. c. DNA was labeled with radioactive phosphorus. d. Protein was labeled with radioactive sulfur. e. Two separate experiments were actually run, one with radioactive phosphorus and one with radioactive sulfur.
When comparing short-term and long-term memory processes, the most accurate description is that
A. invertebrate animals like Aplysia and Drosophila do not show long-term memory processes. B. NEITHER short-term nor long-term memory processes require protein synthesis. C. long-term memory processes act through second messenger systems while short-term memory processes require protein synthesis. D. BOTH short-term and long-term memory processes require protein synthesis. E. short-term memory processes act through second messenger systems while long-term memory processes require protein synthesis.
What was the color of the other pigment present in the shell extract of the Aa individuals?
a. Yellow b. Grey c. Pink