Molc Bio Exam 1 Flashcards

How many pairs of shared electrons form a single covalent bond?

How many pairs of shared electrons form a double covalent bond?

What type of covalent bond holds water molecules together?

What type of bond holds the two strands of DNA together?

What type of bond is NaCl?

What is a hydrogen bond?
Name an example.

What is a Van der Waals interaction?
Name an example.

What is a peptide bond?
Give an example.

What are the three types of carbohydrates?

What does the first law of thermodynamics state?

Does the entropy increase or decrease?
A glass of milk falling into a fish tank causing the water to become milky white.

Does the entropy increase or decrease?
A fire burns in the fireplace turning the log into a pile of ash.

Does the entropy increase or decrease?
A fertilized egg divides into a thousand cells to form an embryo.

Does the entropy increase or decrease?
A protein is assembled from individual amino acids by a ribosome.

What is Gibbs Free Energy?

What is the Gibbs Free Energy equation?

For a non spontaneous rxn that demonstrates a positive change in both entropy and enthalpy, what can easily be done in a laboratory to make the rxn spontaneous?

Describe equilibrium.

What is the name of the energy-carrying intermediary that cells use to obtain the energy from food molecules?

What is activation energy?

In chemical reactions, what is the transition state?

What is a catalyst?

What is an enzyme?

What are substrates?

What are active sites on an enzyme?

What is the lock-and-key model?

What is the induced fit model?