question 98

Short Answer

$\text { Use the graph of } f ( x ) = \frac { \sin 4 x } { \tan 5 x } \text { to guess at the limit } \lim _ { x \rightarrow 0 } \frac { \sin 4 x } { \tan 5 x } \text {, if it exists. }$

---

Definitions:

Okazaki Fragments

Short strands of DNA formed on the lagging strand during DNA replication, which are later joined to form a continuous strand.

Restriction Enzyme

One of a class of enzymes that cleave DNA at specific base sequences; produced by bacteria to degrade foreign DNA; used in recombinant DNA technology.

DNA Ligase

A substance that helps in the combination of DNA molecules by catalyzing a phosphodiester bond.

Cosmid Cloning Vectors

Hybrid plasmid-bacteriophage DNA vectors used in genetic engineering for cloning large DNA fragments.