Intro to Biochem

Question 1

Friedrich Wohler

Answer 1

1828: synthesized urea from ammonium cyanate

Showed that living materials could come from non-living materials

Question 2

Eduard Buchner

Answer 2

1897: discovered that yeast extracts could catalyze the fermentation of glucose
Enzymes catalyze biological reactions

Question 3

Watson and Crick

Answer 3

1953: solved 3-D structure of DNA

Question 4

Residue

Answer 4

Monomer of a polymeric chain

Question 5

Metabolism’s 2 parts

Answer 5

Catabolism: breakdown to release energy
Anabolism: usage of energy to construct

Question 6

Cytoplasm

Answer 6

All parts of cell enclosed by plasma membrane

Question 7

Cytosol

Answer 7

Aqueous portion of cytoplasm

Contains incredibly diverse and concentrated assortment of components

Question 8

Features of prokaryotic cells

Answer 8

No nucleus (nucleoid region instead)
No internal membrane compartments
Often have pili and flagella
High surface area to volume ratio