English today has more native speakers than any other language
a. True
b. False
ANSWER:
False
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At any price higher than the equilibrium price, a ________ in quantity will be created and at any price lower than the equilibrium price, a ________ in quantity will be created.
A) shortage; surplus B) surplus; shortage C) surplus; surplus D) shortage; shortage
Answer the following statements true (T) or false (F)
1) If a firm is minimizing costs at its current output level, then the firm is operating at a point along the long-run average cost curve. 2) In the short-run, if a firm is minimizing costs at its current output level, then the firm is operating at a point along the long-run average cost curve. 3) The relationship between the long-run marginal cost and the long-run average cost differs from the relationship between the short-run marginal cost and the short-run average total cost. 4) If a firm's long-run average cost is equal to $2.50 over a given range of output, this means that the firm's long-run marginal cost is greater than $2.50. 5) Any shift in the short-run average total cost curve will shift the long-run average cost curve.
A vertical economy exploits environmental zones that are close together in space but are separated by altitude, rainfall, overall climate, and vegetation
Indicate whether the statement is true or false.
The hemoglobin molecule is composed of four chains of amino acids: two alpha chains and two beta chains. The start of the code of the beta chain is GTGCACCTGACTCCTGAG. This codes for the first six amino acids of this chain: valine-histidine-leucine-threonine-proline-glutamic acid. If a single nucleotide polymorphism (SNP) occurs in the code for glutamic acid, which of the following will be a consequence of the SNP?
A. it will result in a different amino acid replacing glutamic acid B. it will result in glutamic acid replacing all six amino acids at the start of the beta chain C. it will result in the amino acids present after glutamic acid in the beta chain being replaced by different amino acids D. it will result in glutamic acid replacing all amino acids in the beta chain