Chem
At equilibrium, the rates of the forward and reverse reactions are related how?
they are equal
What process copies DNA into a complementary strand of RNA?
Transcription
What is the tissue in plants that carries water and minerals from the root known as?
Xylem
In wave motion, what property determines how high or low a sound is perceived?
Frequency
Name one use of acetic acid
Role of insulin in regulating blood sugar levels.
Lowers blood glucose by transporting glucose to cells.
What is the hardest substance in the human body?
Tooth enamel
What law states that the entropy of a closed system will never decrease over time?
The second Law of Thermodynamics
What is the Haber process
Creation of Ammonia
What is the shape of the DNA molecule?
double helix
What is the largest living mammal?
The Blue Whale
What is the force that causes objects to move in a circular path?
Centripetal force
Which is denser, water or ice?
Ice
In humans, which organ system is primarily responsible for maintaining homeostasis through hormone release?
Endocrine system
What type of organism makes up the oldest known fossil
Blue-green algae from South Africa (3.2 billion years old)
What is the branch of physics that deals with the motion of objects at very high speeds, close to the speed of light?
Relativistic mechanics
How much nitrogen is present in the air?
78%
What is the error called that can result in genetic disorders.
Nondisjunction
In terms of attributed human deaths which are most dangerous; snakes, bees, sharks or house flies?
House flies. They carry pathogens
When two waves meet in phase, their amplitudes add together to create a longer wave. What is this called?
Constructive interference