QUIZ Flashcards
Give the four nitrogenous bases in DNA
Adenine, Thymine, Cytosine, Guanine
What bases should be in pair in DNA
Adenine-Thymine
Cystosine-Guanine
Types of RNA molecules
Heterogenous nuclear RNA (hnRNA)
Messenger RNA (mRNA)
Transfer RNA (tRNA)
Ribosomal RNA (rRNA)
Small nuclear RNA (snRNA)
Carries an amino acid to the ribosome
tRNA
It is a major component of ribosome
rRNA
It is a copy of the information in a gene
RNA
The sugar molecule in a nucleotide
Pentose sugar
The composition of nucleotides
Phosphate group, Pentose sugar and base
The composition of nucleosides
Sugar and base
Identify the purine base of nucleic acid
Adenine, Guanine
The two strands in DNA double helix are joined by?
Hydrogen Bond
What base is paired with adenine to form hydrogen bonds in RNA
Uracil
On what molecules would you find a anticodon?
tRNA
TRUE OR FALSE
a-keratin is helical
FALSE
TRUE OR FALSE
collagen is helical
TRUE
TRUE OR FALSE
hemoglobin has a quaternary structure
TRUE
TRUE OR FALSE
a-keratin is β pleated structure
TRUE
In most of the naturally occurring mono-unsaturated fatty acids, the double bond will be placed between
C9-C10
which of the following amino acids is the most soluble in water at pH 7.0
GLUTAMATE
TRUE OR FALSE
The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure
FALSE
What is the main difference between saturated and unsaturated fatty acids
Presence of double bonds
Which of the following factors is NOT responsible for the denaturation of proteins
Heat
Charge
pH change
Organic solvents
CHARGE
which of the following is responsible for specifying the 3D shape of protein
Interaction with other polypeptide
proteins are polymers of ____________
amino acid
which of the following disorders is caused by the deficiency of proteins
weight loss
muscle fatigue
loss of muscle strength
