Examlex
The remains of large,exploded stars that have run out of usable fuel are called
Aerobic Respiration
The process of producing cellular energy involving oxygen. It's the way most cells generate ATP, with carbon dioxide and water as byproducts.
Ozone Layer
A protective layer in Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation, shielding the planet from harmful UV light.
Cyanobacteria
A phylum of bacteria that obtain their energy through photosynthesis and are noted for their role in the oxygenation of the Earth's atmosphere.
Organic Polymers
Large molecules composed of repeating carbon-based units, including proteins, nucleic acids, and many synthetic materials.
Q3: Which of the following parts of the
Q23: _ is a technique where the decay
Q26: Which of the following is a metamorphic
Q37: What happens to the helium-rich core of
Q51: How does the "turnoff point" on the
Q59: Which of the following techniques are NOT
Q68: Which of the following processes will release
Q109: Which of these distance-measuring techniques only works
Q117: A particular giant molecular cloud has a
Q119: Where are the hottest stars in the