Without Graphing, Decide:
(A) Are the Graphs of the Equations $\left\{ \begin{aligned}y - 5 x & = 4 \\5 y & = 25 x + 20\end{aligned} \right.$

question 9

Multiple Choice

Without graphing, decide:
(a) Are the graphs of the equations are identical lines, parallel lines, or lines intersecting at a single point?
(b) How many solutions does the system have?
- $\left\{ \begin{aligned}y - 5 x & = 4 \\5 y & = 25 x + 20\end{aligned} \right.$

• A) lines intersecting at a single point; one solution
• B) parallel lines; no solution
• C) identical lines; infinite number of solutions

Understand the concept of recombinant DNA and its creation process.

Know the applications and methodologies of CRISPR technology for gene editing.

Differentiate between cDNA and genomic DNA libraries and their construction.

Analyze data from gene knockout experiments to understand gene functions.

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Definitions:

Long-run Average Total Cost

The total cost per unit of output when all factors of production are variable, and economies of scale have been achieved.

Average Total Cost Curve

A graphical representation showing how the total cost of production per unit of output changes with the level of output.

Long-run Equilibrium

occurs when all firms in a market or industry are producing at their most efficient level, with no incentive for entry or exit, and economic forces are balanced.

Total Revenue

The total amount of money a firm receives from selling its goods or services, calculated as the unit price multiplied by the quantity sold.