Week 1: Biochemistry II

Question 1

Protein Makeup

Answer 1

CHON - present in all
SP - occur in many.
Amino Acids linked covalently (peptide bonds)

Question 2

Amino Acids

Answer 2

Make up proteins.
20 different ones.
Determined by structure of R (side chain/top).

Question 3

Protein Structure

Answer 3

3D
Many more than one polypeptide chain.
Shape affects function.
Physical and chemical conditions affect conformation.

Question 4

Denatuarion

Answer 4

Loss of normal shape of protein as well as function.
Can be reversed sometimes.

Question 5

Structural Proteins

Answer 5

Collagen, Keratin.

Question 6

Regulatory Proteins

Answer 6

Hormones.

Question 7

Contractile Proteins

Answer 7

Actin and Myosin.

Question 8

Immunological Proteins

Answer 8

Antibodies.

Question 9

Transport Proteins

Answer 9

Hemoglobin, lipoproteins.

Question 10

Catalytic Proteins

Answer 10

Enzymes

Question 11

Nucleic Acids

Answer 11

CHONP
Made up of Nucleotides.

Question 12

Nucleic Acids

Answer 12

Genetic Material of the cell.
RNA and DNA

Question 13

RNA

Answer 13

Made in nucleus
Single stranded
Instructions on DNA to ribosomes.
AGUC

Question 14

DNA

Answer 14

In nucleus
double stranded
genes and chromosomes
instructions for production of proteins.
AGTC

Question 15

Nucleotide

Answer 15

Make up nucleic acids
Nitrogenous base, Pentose sugar, Phosphate group.

Question 16

Functions of Nucleic Acids

Answer 16

mRNA (messenger - copy DNA)
tRNA (transfer - amino acid to ribosome)
rRNA (ribosomal - catalyst between mRNA and tRNA)

Question 17

Adenosine Triphosphate

Answer 17

Adenine, Ribose, Phosphate Groups
Nucleotide as energy currency.