chemistry for biology
biological molecules
origins of life and cell structure
biological membrane
100

This is a polar or nonpolar molecule.


Is this a polar molecule?

100

How many water molecules will be formed/are needed to break this polysacchride? 

What is two water molecules?

100

What type of cell has a cell wall and why does it have one?

What is a plant cell and structural support?

100

Which direction will the solutes flow?

What is to from high to low?

200

What type of bond exists between the O and the H?

Is this a polar covalent bond?

200

What level of protein structure is this?

What is 2nd degree structure?

200

What domain of life has peptidoglycan cell membranes?

What is bacteria?
200

What is the difference between active and passive transport?

What is active moves against the concentration gradient and passive moves along it?

300

Draw a hydrogen bond. 

(H is connected by dotted line to an o of another water molecule)

300

What level of protein structure is this?

What is quaternary structure?
300

What is the first endosymbiosis event?

Aerobic bacterium evolves to become mitochondrion

300

How does the fluidity of the membrane change at higher temperatures?

What is it becomes more fluid?

400

Name five key physical properties of water

What is high specific heat capacity, high heat of vaporization, cohesion/adhesion, and solvent properties?

400

What type of fatty acid is this?

What is unsaturated fatty acid?

400

What is the second endosymbiosis event?

Photosynthetic bacterium evolves to become chloroplast

400

How would you described the structure of a peptidoglycan cell wall? 

What is hard and rigid?
500

Draw a salt dissolved in water. What is this an example of?

Cl surrounded by hydrogens of other water molecules, Na surrounded by oxygen of other water molecules. What is Ion-dipole interactions?

500

What are the components of an amino acid? (Hint: four things)

What is amino group, alpha carbon, carboxyl group, and R group?

500

Given the major function of a particular specialized eukaryotic cell, for example
macrophages or lymphocytes, predict the relative abundance and distribution of its
various organelles.

What is lymphocytes need lots of mitochondria and macrophages need lots of lysosomes?

500

At what is the action potential depolarized and hyperpolarized? How is it propagated?

What is depolarized at the peak, hyperpolarized at the lowest point? What is propagated by a wave of depolarization?