Examlex
Indicate whether the following statements are true (T) or false (F).
___ The linking number (Lk) of a closed-circular DNA molecule can be changed only by breaking one or both strands.
___ DNA of all organisms is overwound (i.e., positively supercoiled).
___ Topoisomerase I relaxes DNA that is highly negatively supercoiled.
Picasso Painting
An artwork created by Pablo Picasso, a Spanish painter and sculptor known for co-founding the Cubist movement.
Purchase of Light Bulbs
The act of acquiring light bulbs through buying, which involves selecting the desired type, wattage, and technology (like LED, incandescent).
Four-Ply Construction
A method of constructing materials or items with four layers, often used for added durability or insulation.
Breach
The act of breaking or failing to observe a law, agreement, or code of conduct.
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