Which pH indicator is present in a MSA plate?

Using the inoculated SIM tubes below, which tubes were inoculated with sulfur reducing bacteria.

When completing a MR-VP test, two tubes must be inoculated.

Assume we download the stock price of Tesla using the command  startdate = ‘2019-01-01’ enddate = ‘2021-01-01’ tesla = web.get_data_yahoo(“TSLA”, startdate, enddate)tesla Date Open High Low Close Adj Close Volume 2019-01-02 61.220001 63.026001 59.759998 62.023998 62.023998 58293000 2019-01-03 61.400002 61.880001 59.476002 60.071999 60.071999 34826000 2019-01-04 61.200001 63.599998 60.546001 63.537998 63.537998 36970500 2019-01-07 64.344002 67.348000 63.549999 66.991997 66.991997 37756000 2019-01-08 68.391998 68.802002 65.403999 67.070000 67.070000 35042500   Which of the following commands gives you the “Low” column?

Consider the function below f = lambda x: np.sqrt(x**2) + 3 * xWhat is the output of f(-1)?  

1)from sklearn.preprocessing import MinMaxScaler 2)normalization = MinMaxScaler() 3)x_scaled = normalization.fit(X_train) 4)x_train_normalized = x_scaled.transform(X_train) 5)x_test_normalized = x_scaled.transform(X_test) 6)y_scaled = normalization.fit(Y_train.reshape(len(Y_train),1)) 7)y_train_normalized = y_scaled.transform(Y_train.reshape(len(Y_train), 1)).flatten() 8)y_test_normalized = y_scaled.transform(Y_test.reshape(len(Y_test), 1)).flatten() Which of the following sentences is incorrect?

Hemoglobin carries ________ in the blood.

Consider the following array: a = np.array([30, 101, 18, 190, -55]) If I want to select the second element of this array (i.e. 101), which of the following command line gives my the correct answer?

In the original central dogma of biology, the ordinary flow of genetic information is:

Histones contain large amounts of which of the following amino acids? Multiple answers are possible!