Select all the following that are valid counterarguments to the idea that evolut
ID: 84479 • Letter: S
Question
Select all the following that are valid counterarguments to the idea that evolution is "just a theory". a. Scientists use the term hypothesis to describe unifying ideas. b. Evolution is just a collection of facts without a central theme and this is not a theory. c. Scientific theories are supported by many types of evidence and no empirical data refutes them. d. Evolution occurred in the past, but is not occurring in the present, so it cannot be a theory. A ____ is a regulatory molecule that is secreted into the Wood by an endocrine gland. a. metabolite b. hormone c. peptide d. G protein e. neurotransmitter Some intercellular regulatory molecules that exert only very local effects are called a. a. regulators. b. sympathetic C. endocrine d. paracrine The anterior pituitary gland is controlled by which type of signal? a. direct axonal connections from the hypothalamus b. negative feedback from its own hormones c. positive feedback from its own hormones d. positive feedback from hormones secreted by the pancreas, heart, and skin Steroid hormones a. can pass through the membrane using a carrier b. has a direct effect on gene expression c. bind to membrane receptors d. both a & b are correct Second messengers are activated in response to a. steroid hormones b. thyroxin c. hydrophilic hormones d. All the choices are correct Hormones released by the pituitary gland have two different sources Those that are produced by the neurons of the hypothalamus are released through the ______ and those produced within the pituitary are released through the _____ a. thalamus; hippocampus b. neurohypophysis; adenohypophysis c. right pituitary; left pituitary d. cortex; medullaExplanation / Answer
11. ANS: B. Evolution is just a collection of facts without a central theme and this is not a theory.
C. Scientific theories are supported by many types of evidence and no empirical data refutes them.
12. ANS: B. Hormone
A hormone is a regulatory chemical that is secreted into the blood by an endocrine gland
13. ANS: D. Paracrine.
Some intercellular regulatory molecules that exert only very local effects are called Paracrine regulators
14. ANS: Negative feedback from its own hormone.
The anterior pituitary gland is controlled by both the hormones secreted by the hypothalamus, and the hormones secreted by itself through a negative feedback mechanism.
15. ANS: D. Both A and B.
Steroid hormones that affect changes in their target cells by entering the nucleus and initiating transcription of certain genes
16. ANS: D. All the choice is correct
17. ANS: C. right pituitary, Left pituitary
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