Suppose you are sweating in response to elevated temperature. What is this an example of?
a. a stimulus of negative feedback
b. an integrator of negative feedback
c. an effector of negative feedback
d. a response of negative feedback
Ans: d. a response of negative feedback
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Polygenic traits are
A) determined by a single gene. B) determined by more than one gene. C) phenotypically different in different organisms. D) associated with many symptoms.
The organelle known as the ________ makes phospholipids
Fill in the blank(s) with correct word
Gene knockdown via RNAi relies on the ability of eukaryotic cells to
A) degrade target mRNAs that are complementary to introduced dsRNA. B) induce microRNA expression under particular conditions. C) preferentially degrade mutated mRNAs. D) inhibit transcription of sets of genes based on the presence of distal control elements. E) preferentially degrade mutated mRNAs by inducing microRNA expression under particular conditions.
The primary root of a plant that enlarges and persists throughout the life of the plant is the
A. fibrous root. B. companion root. C. rhizome. D. stoma. E. taproot.