The relationship between two hormones where one can only work on a target cell after the second has
"primed" it is referred to as
a. opposing interaction.
b. synergistic interaction.
c. permissive interaction.
d. mutualistic interaction.
e. commensal interaction.
C
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Arrange in the correct sequence these components of the mammalian immune system as it first responds to a pathogen
I) Pathogen is destroyed. II) Lymphocytes secrete antibodies. III) Antigenic determinants from pathogen bind to antigen receptors on lymphocytes. IV) Lymphocytes specific to antigenic determinants from pathogen become numerous. V) Only memory cells remain. A) I ? III ? II ? IV ? V B) III ? II ? I ? V ? IV C) II ? I ? IV ? III ? V D) IV ? II ? III ? I ? V E) III ? IV ? II ? I ? V
Which result is an observed effect of global warming on organisms?
A) Some species of birds and frogs now begin their breeding seasons earlier in the year. B) Corals "bleach" when decreased water temperatures cause them to expel their symbiotic algae. C) Many butterfly populations have shifted their ranges toward the equator. D) Many polar bears produce more offspring as their hunting grounds increase in size.
Can you inherit physical traits that your parents acquired during their lifetime?
A. Only if it improves reproductive success B. Yes C. No D. Only if it improves survivability
You place an empty dog-food dish across the room from a puppy that then goes over to investigate the dish. You pick the dish up and ten minutes later you place it in a different part of the room, and you keep repeating this pattern. After the fifth time the puppy no longer goes over to the empty dish. Which of the following terms best describes this form of learning?
A. trial and error learning B. habituation C. classical conditioning D. operant conditioning E. imprinting Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about types of learning behaviors? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?