Mendel's work with two-factor (dihybrid) crosses led directly to which of the following?
A. Chromosomal theory of inheritance
B. Particulate theory of inheritance
C. Law of segregation
D. Law of independent assortment
E. Theory of biological evolution
D
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The neural circuit that allows a male stickleback fish to orient and behave aggressively towards an inanimate object with a red stripe is an example of a(n)
A. sign stimulus. B. fixed action pattern. C. innate releasing mechanism. D. supernormal stimulus. E. stimulus-response chain. 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 behavior in stickleback fish? 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?
forms a food bolus, has tastebuds, covered by mucus membrane, skeletal muscle
What will be an ideal response?
Which process produces more energy than it consumes?
A aerobic respiration B protein synthesis C anaerobic respiration D active transport
The secretion of cytokines is a function of:
A. helper T cells. B. plasma cells. C. cytotoxic T cells. D. T killer cells.