Questions asked
A large, wooden crate (mass = 10 kg) is placed on a rough, concrete, horizontal floor. For which situation involving the crate would it involve a greater force due to friction acting on the crate?
if two different organic compounds have the exact same melting point, the melting point of a mixture of these two solids will:
Which of the following is responsible for unwinding DNA? Helicase Primase DNA polymerase Ligase
What type of assessment is conducted when children are in their natural setting and performing real tasks?
Put these numbers in order from greatest to least. \( \frac{3}{4} \) 0.31 \( \frac{1}{5} \) 0.59
Which of the following is an example of "bottom of the barrel" men? Men who are fearful of commitment Men who do not marry because of compatibility Men who find women unappealing Men who do not marry because they cannot find a woman of low enough status
Which one does rationalism refer to: a reliance on authority and tradition as the best guide for belief and action, or a reliance on reason as the best guide for belief and action?
QUESTION 1 [40] 1.1 Convert Binary 111011.11 to Hexadecimal (5) 1.2 Convert 6738 to Decimal. (5) 1.3 Using Boolean algebra techniques, simplify the following expression. (6) X = \overline{A}BC+\overline{A}B\overline{C}+A\overline{C} 1.4 Determine the 2's complement of 100000112 (3) 1.5 Perform the following additions: (a) 5648+7268 (b) 11112+11112 (c) 9B16+6E16 (4) (4) (4) 1.6 Write the expression in sigma notation: X(ABCD) = ABCD + \overline{A}BCD + A\overline{B}CD + A\overline{B}C\overline{D} + ABCD (5) 1.7 What is the output of a XNOR gate when two inputs are HIGH? (2) 1.8 Which logical gate is called as an universal gate with which any Boolean function can be implemented? (2) QUESTION 2 2.1 Simplify the expression WXYZ+WXYZ+WXYZ+WXYZ+WXYZ+WXYZ+WXYZ+WXYZ using a Karnaugh map. Please note: use WX in the rows and YZ in the columns 2.2 Write the expanded forms of the terms in the given expression: F (ABCD) = \overline{A}B\overline{C} + A\overline{C}D + \overline{A}BC\overline{D} [30] (9) (5) [TURN OVER]
1. In a cell that primarily uses the malate-aspartate shuttle (cytosolic NADH results in production of 2.5 ATP), how many cytochrome C molecules are reduced at Complex III if one molecule of pyruvate enters and proceeds through the PDC and citric acid cycle.
2. At what point(s) does the graph of the function shown below have a horizontal tangent? $x^2 + y^2 = 12x$