Questions asked
Which of the following statements about membrane synthesis is TRUE? Membrane proteins are synthesized in the rough ER and phospholipids for membranes are synthesized in the Golgi apparatus. Membrane proteins are synthesized in the smooth ER but phospholipids for membranes are synthesized in the rough ER. Membrane proteins are synthesized in the rough ER and membrane lipids are synthesized in both the rough and smooth ER Both membrane proteins and phospholipids for membranes are synthesized in the smooth ER.
An area of the northern California woods has a population of ladybugs, as shown above, with variation in their color, size, and number of markings on their carapace (outer covering). A forest fire sweeps through the area, killing 99% of the ladybug population. Which of the following best describes this situation in terms of the specific evolutionary mechanism at work? Natural selection has most likely occurred. Genetiċ drift by bottleneck effect has most likely occurred. Genetic drift by founder effect has most likely occurred. Gene flow is no longer occurring. An area of the northern California woods has a population of ladybugs,as shown above,with variation in their color,size, and number of markings on their carapace(outer covering).A forest fire sweeps through the area,killing 99% of the ladybug population. Which of the following best describes this situation in terms of the specific evolutionary mechanism at work? O Natural selection has most likely occurred Genetic drift by bottleneck effect has most likely occurred Genetic drift by founder effect has most likely occurred O Gene flow is no longer occurring
double score = 80.0; Considering the line of code above, choose the BEST answer. The expression score / 2 will result in _____ floating-point division division integer division concatenation
\( \frac{x^{2}-y^{2}}{x-y^{2}} \)
You need a particular piece of equipment for your production process. An equipment-leasing company has offered to lease the equipment to you for $10,000 per year if you sign a guaranteed 5-year lease (the lease is paid at the end of each year). The company would also maintain the equipment for you as part of the lease. Alternatively, you could buy and maintain the equipment yourself. The cash flows from doing so are listed here: (the equipment has an economic life of 5 years). If your discount rate is 7.2%, what should you do? The net present value of the leasing alternative is $ \boxed{} (Round to the nearest dollar.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.) Year 0 -$39,800 Year 1 -$2,000 Year 2 -$2,000 Year 3 -$2,000 Year 4 $2,000 Year 5 - $2,000 Print Done
After you've recorded the frequencies of all tokens, the next step is to construct the Huffman tree. Your task is to implement the following function in huffman.c: struct huffmanTree *createHuffmanTree(char *inputFilename); This function takes the name of a text file and constructs a Huffman tree from the tokens in the file. You must use the File ADT to read tokens from the file, and use the Counter ADT to count the number of occurrences of each token. After you have counted all the tokens, you must follow this algorithm to construct the Huffman tree: • For each token, create a leaf node that contains the token and its frequency. This creates $n$ Huffman trees (each consisting of one node) where $n$ is the number of tokens. • Until there is only one Huffman tree remaining: ? Take the two Huffman trees with the smallest total frequency ? If there are multiple possibilities for which pair of trees to take, you may select any of these pairs ? Combine the two trees, i.e., create a new node that has the two trees as subtrees, with frequency equal to the sum of their frequencies. The token field of the new node should be set to NULL, as only leaf nodes contain tokens.
Consider a normal (simple) linear regression model, where Y denotes the dependent variable and X denotes the independent variable. Which of the following statements is true? • The residuals from the fitted model are unit-less since they are assumed to be normally distributed. • Using the fitted regression model, it is only possible to predict the value of Y at observed values of X. • The average of the residuals from the fitted model is zero. • If the estimated regression coefficient is equal to 1, the sample correlation between the observed values of Y and X is also equal to 1.
Given the following set of data, find the median: {22,24,25,27,28,27,25,25,22,23,21,23,26,24,23,29,25,20,23,29,27,28} median
Stock Dividends and Stock Splits Lance Products' balance sheet includes total assets of $587,000 and the following equity account balances at December 31, 2013: Common stock, $2 par, 80,000 shares issued and outstanding Additional paid-in capital--common stock Total capital stock Retained earnings Total stockholders' equity $160,000 24,000 $184,000 217,000 $401,000 Lance's common stock is selling for $11 per share on December 31, 2013.
Question 3.A 150V moving iron voltmeter is intended for 50Hz. It has a resistance of 3kΩ. (a) Find the series resistance required to extend the range of the instrument to 300V. (b) If the 300V instrument is used to measure a DC voltage of 200V, find the voltage across the meter.