Will bacteria living in hot springs have more saturated or unsaturated fatty acids?  Give reason for your answer.    

Identify which of the following is not a potential source of energy for the human body.

Find the derivative of f(x) = 8x + 4 at x = 9. (6 points)

Why it’s critical for DNA polymerase to have proof reading activity?          

Write the sum using summation notation, assuming the suggested pattern continues. 4 – 12 + 36 – 108 + … (5 points)

(06.07 MC)  The cost and customer rating of 15 cars is shown on the scatterplot. The cars are rated on a scale of 0 to 100. Part A: Describe the association shown in the scatterplot. (4 points). Part B: Give an example of a data point that affects the appropriateness of using a linear regression model to fit all the data. Explain. (4 points)Part C: Give an example of a car that is cost effective and rated highly by customers. (2 points)(10 points)

Given that P = (-9, 2) and Q = (-10, 9), find the component form and magnitude of 2 . (5 points)

The given measurements may or may not determine a triangle. If not, then state that no triangle is formed. If a triangle is formed, then use the Law of Sines to solve the triangle, if it is possible, or state that the Law of Sines cannot be used. B = 137°, c = 6, b = 11 (5 points)

A beam is singly reinforced with the reinforcement in two rows. The bottom row contains 9 No. 6 bars at a depth of 22 in. The top row contains 5 No. 8 bars at a depth of 17.5 in. Determine the effective (centroidal) depth, d, of the steel.

In the fluid-mosaic model of the plasma membrane, the phospholipid molecules are oriented so that the________ heads are facing the outside environment and the________ tails are facing the interior of the membrane.