Examlex
Blue-green bacteria, as well as certain other bacteria, can fix nitrogen.
U.S. Dollar
The official currency of the United States, recognized worldwide as a standard of monetary value.
World Economy
The global network of economic activities and transactions, encompassing all the economies of the world's nations and influencing international trade and finance.
Church Committee
A U.S. Senate committee in the 1970s that investigated abuses by the CIA, NSA, FBI, and IRS, leading to reforms and greater oversight of intelligence agencies.
Cold War
A period of geopolitical tension between the Soviet Union and the United States and their respective allies, roughly from the end of World War II to the dissolution of the Soviet Union in 1991.
Q3: The bryophytes whose sporophytes have a central
Q3: Photooxidation primarily involves the<br>A) conversion of oxygen
Q20: Cycad leaves are fan-shaped and deciduous.
Q22: Edible or otherwise useful gymnosperms do not
Q24: Restriction enzymes squeeze DNA strands into narrow
Q41: The first domesticated crop plants were:<br>A) cereal
Q42: Which list gives the products of the
Q46: Most of the flesh of pomes comes
Q62: Giant redwoods are easily damaged in forest
Q66: Proteinaceous structures located on algal chloroplasts and