Chemistry
What happens to the bonds in the reactants of a chemical reaction?
Break
The two reactants of cellular respiration are _____ and _________.
Glucose and oxygen
What was the earliest life form found in the fossil record?
Archaea bacteria
How many chromosomes does an egg cell have?
23
What do omnivores eat?
consumers (meat) and producers (plants)
Reactions that absorb more energy than they release are called ____________.
Endothermic
Respiration takes place in the ___________ of the cell.
Mitochondria
The Law of Superposition states that the older rock layers are _________ than the younger rock layers.
deeper
Where in the cell do mutations initially take place?
DNA
__________ plays the most important role in the Nitrogen Cycle.
Bacteria
Two liquids forming a solid is called a _________.
precipitate
_________ energy is stored in the bonds of glucose molecules
Chemical
The Cambrian time period was famous for ___________, also known as the "Cambrian Explosion."
Diversity
tRNA molecules carry _______ ______ in order to build proteins.
amino acids
Each trophic level can only transfer ___% of its energy to the next level to be stored.
10
What coefficient balances this equation on the product side?
CH4 + 2O2 --> CO2 + __H2O
2
Chlorophyll is a green pigment found inside flat, thin structures called _____________.
thylakoids
Tiktaalik was a famous transition fossil that showed the transition from fish to ______________.
amphibian
In RNA, __________ replaces Thymine.
Uracil
Decomposers obtain their glucose from _________ and _________________.
waste and dead organisms
What is the second part of the Law of Conservation of Mass?
Matter changes form
The electrons from the water molecule are transferred to energy molecules called _____ and _________.
ATP and NADPH
What types of organisms are angiosperms?
Flowers
What are the two stages of protein synthesis?
Transcription & Translation
Chemical energy is released from glucose during ________ ___________ in the form of ATP.
cellular respiration