Refer to Q10 above for the context. Let W be the weight matrix obtained from a dataframe df using PCA (principal component analysis). If a row of the weight matrix W corresponding to a row of df is [1, -½, 4], which of the following options correctly represents the row of df ?

What will be returned by the code given below?   import numpy as nparr = np.array([[6, 2, 4, 8], [2, 9, 3, 1]])arr_reshaped = arr.reshape(4, 2)index = np.argmin(arr_reshaped, axis = 1)index.tolist()

Fill in the table below comparing RAID 0, RAID 1, and RAID 5 based on the following criteria: Fault Tolerance (e.g., None, Complete, Partial) Backup/Mirroring (e.g., Yes, No) Read Performance (e.g., Fast, Slow, Moderate) Write Performance (e.g., Fast, Slow, Moderate) RAID Level   Fault Tolerance Backup/Mirroring Read Performance Write Performance RAID 0 1:  4:  7:  10: RAID 1 2:  5: 8: 11: RAID 5 3: 6: 9: 12:  Make sure to give an answer for each number. And feel free to explain your answer.

What type of I/O device transfers a single byte of data at a time?

Refer to the cells below which show various stages of mitosis. Which of the following statements is correct? Screen Shot 2020-08-15 at 6.54.12 AM.png

Which of the following is true of an action potential in a neuron?

Use the figure of DNA below to answer the next two questions. What type of bonds are represented by the dashed lines found between the nitrogenous bases? Screen Shot 2020-08-15 at 6.58.38 AM.png

If the sperm cells of an animal have 24 chromosomes, the liver cells will have how many chromosomes?

Observe the following two dragons and choose the statement which best describes the surface area to volume ratio. Screen Shot 2020-08-15 at 6.53.01 AM.png

Which of the following statements concerning the lungs or pleura is CORRECT?