Which of the following is the longest?
A) An uncondensed prokaryotic chromosome B) A condensed eukaryotic chromosome
C) An uncondensed eukaryotic chromosome D) A condensed prokaryotic chromosome
C
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For surface cultivation of microorganisms, a sulfated polymer called agar can be extracted from ________ and added to liquid media in order to cause it to solidify.
A. fungi B. algae C. animal fat D. bacteria
Differences in intensity of a stimulus
1.do not affect the impulse transmitted. 2.are indicated by the number of nerves activated. 3.control the part of the brain that receives the stimulus. 4.are encoded in the frequency of action potentials on a single axon. 5.are indicated by the number of nerves activated, and are encoded in the frequency of action potentials on a single axon.
Respond to statements 120–124 in reference to the five hormones
listed below. a. estrogen b. luteinizing hormone c. somatotropin d. oxytocin e. antidiuretic hormone M 120. This hormone controls water retention and loss. M 121. The mammary glands are the target for this hormone. D 122. This hormone induces protein synthesis and cell division in young animals. D 123. The kidneys are the target for this hormone. M 124. Uterine contractions are induced by this hormone.
The equilibrium constant (K) for the reaction Y->X can be expressed with respect to the concentrations of the reactant and product molecules. Which of the expressions below shows the correct relationship between K, [Y], and [X]?
(a) K = [Y]/[X] (b) K = [Y] * [X] (c) K = [X]/[Y] (d) K = [X] – [Y]