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39. Enzymes that can unwind the DNA helix: a. histones b. polymerases c. helicases d. kinases 40. In the final step of replication, which enzyme seals any DNA gaps: a. transacetylases b. ribosomes c. polymerases d. ligases

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8. Moral realists are committed to accepting one of the following claims. Which one? Moral disagreements are irresolvable by rational means. Moral knowledge is, in principle, possible. Moral truths, like truths about what's fashionable, are grounded in a community's shared subjective reactions. Whenever there are differences in moral codes across cultures, one of the codes must be false.

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a radio test sound begins with a 90db sound, and slowly raises the loudness to 100 db over 5 seconds. What is the average rate of change of the intensity of the sound over the 5 seconds?? the minimum intesity that humans can hear (Io) is 1.0x10^-12 W/m^2

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Evaluate the expression. Write the answer without exponents. -512^((2)/(3)) Select the correct answer below and, if necessary, fill in the answer box to complete you A. -512^((2)/(3))= (Simplify your answer Type an integer or a fraction) B. The expression is not a real number. Evaluate the expression.Write the answerwithout exponents 512213 Select the correct answer below andifnecessary fill in the answer box to complete you A512213 (Simplify your answeriType an integer or a fraction B.The expression is not a realinumber

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What is the main difference between the 'add' and 'addi' instructions in MIPS? Group of answer choices 'add' uses three registers, 'addi' uses two registers and an immediate value There is no difference 'add' is an I-type instruction, 'addi' is an R-type instruction 'add' performs subtraction, 'addi' performs addition

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On pages 105-110 of the Worrall text there is a section regarding "Expansion of Stop and Frisk". After reading that section of the text, Consider the following set of circumstances- Officers approach a known "Crack house" and see two young men on the porch. As officers get closer, the two young men leave the porch and begin to walk away from the house. Officers stop the two young men and frisk them. Each officer performs the frisk of one of the men who was on the porch. One officer pats the jacket pocket of the man he is frisking and feels something long and tubular. He reaches into the pocket and pulls out a cigar holder. The officer opens the holder and finds a plastic baggie with a white powdery substance inside. The baggie is seized, and that man is arrested for drug possession. The second officer frisks the other young man, and while patting down the outside of the man's jacket, he feels what he immediately recognizes as a small semi-automatic pistol. The second young man is arrested on charges of carrying a concealed weapon. Which charges will stand, and why?

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Which of the following statement is true? a. $M_v = M_w$ b. $M_n > M_v$ c. $M_n = M_v$ d. $M_w > M_v$

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5. Two car start driving from the same point. Car A starts driving east at 60 km/hr. Half an hour later, car B starts driving north at a rate of 100 km/hr. Calculate the rate at which the distance between the two cars is changing after 4 hours.

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Determine the Laplace transform of the signal $x(t)$, given below: $x(t) = \delta(t+1) + u(t)$ $\bigcirc X(s) = e^s + s^{-1} \quad \sigma > 0$ $\bigcirc X(s) = e^{-s} + s \quad \sigma > 0$ $\bigcirc X(s) = 1 + s \quad \sigma > 0$ $\bigcirc X(s) = 1 + s^{-1} \quad \sigma > 0$ $\bigcirc X(s) = s + s^{-1} \quad \sigma > 0$ A system with a left-sided impulse response has poles at locations -3 and 2. Is this system stable? $\bigcirc$ Yes $\bigcirc$ No The Laplace transform for the function $x(t) = exp(-at) u(-t)$ corresponds to the region of convergence shown in $\bigcirc$ B or D $\bigcirc$ A or D $\bigcirc$ B or C $\bigcirc$ A or C

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Plain Carbon Steel 0.2% Carbon

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