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jackie torres

jackie t.

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What causes heart valves to open and close? A. pressure differences across the valves as each chamber contracts and relaxes B. pull of the chordae tendinae on the valves C. pull of the papillary muscles in the ventricles D. quantity of blood in the heart chambers

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Question 6 (1 point) At the molecular level, cells from different types of organisms vary in their tolerance to temperature and pH. This variation can mostly likely be attributed to the types of enzymes present in the cells. ATP efficiency. ability of the cells to form glucose polymers. replication of nucleic acids. extent of saturation of fatty acids.

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In order for populations to be in a state of Hardy-Weinberg Equilibrium, mating must be non-random.

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Melissa’s flower shop got a shipment of 152 roses. She wants to make bouquets of 4 roses each. How many bouquets can Melissa make?

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What is the role of CCA1 and LHY in the plant clock? Group of answer choices They bind to the evening element of a promoter and repress transcription of the TOC1 gene They bind to the evening element upstream of their own genes and repress transcription They bind to the evening element of a promoter and activate transcription of the TOC1 gene They bind to the TOC1 protein and destabilize it in the presence of blue light

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When appeared in the company's financial statements, provision for doubtful debts accounts will carry which balance? A. Debit B. Credit

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Consider the following. $t = \frac{19\pi}{6}$ (a) Find the reference number $\bar{t}$ for the value of $t$. $\bar{t} = $ (b) Find the terminal point determined by $t$. $(x, y) = $

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2. Use mesh-current method to find branch currents of the network shown in Fig. 2 20 ? 10 ? 4 ? 5 ? 40 V 90 V 30 ? 2 ? Fig. 2 196 V

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A normal distribution has a mean of 133 and a standard deviation of 7. Find the z-score for a data value of 159. Round to two decimal places

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Incorrect Question 7 0 / 10 pts If you are told that the saving rate in the US has increased, but the current account deficit has also increased... ...it must be that the demand for investment has increased more than proportionally ...it must be that the demand for investment has decreased more than proportionally The economy must be in a recession Not enough information

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