What bond connects one nitrogenous base to another?
Hydrogen bonds
Who discovered the double helix structure of the DNA?
Wilkins & Franklin
How many H-bonds connect Adenine and Guanine?
0
The DNA is an important biomolecule because?
It stores genetic information
This structure is formed by histone proteins and the DNA double helix strand wrapped around it?
Nucleosome
Which of the following is the correct list of components of an RNA?
Phosphate, Ribose, and Adenine.
What RNA carries individual amino acid residues?
tRNA
Francine, a molecular biologist, isolated a nucleic acid that codes for the hemoglobin protein. How will you classify this nucleic acid?
Gene
Which of the following is not a part of the viral structure?
Cholesterol
Which of the following is the correct arrangement of molecules involved in the Central Dogma?
DNA -> RNA -> Protein
This enzyme breaks the hydrogen bonds to expose the DNA strands for DNA Polymerase III?
Helicase
Judel conducted PCR for his plant samples. He hastily put his reaction mix and setup the machine. When he analyzed his results, he found out that he possibly generated copies of his target DNA but it was
denatured. Which of the following he might forgot when he put his reaction mix?
Buffer
Transcription occurs due to these molecules, except?
Primase
Transcription reads this strand in order to create a 5' to 3' RNA molecules.
a. Sense strand
b. Anti-sense strand
B
Jelor was fascinated in a specific sequence of DNA she inserted it into a cell that can transcribe it. She later found out that the DNA sequence she likes was missing in the mRNA released from the nucleus.
What likely happened in the DNA sequence?
a.The DNA sequence is an intron.
b. The DNA sequence is an exon.
A
Considering the mRNA 5'- AUAUGUAACUGA-3', which is most likely the translated amino acid?
a.Ile-Cys-Asn
b. Met
B
Mutations causes:
a.Diseases
b.Evolution
Both
The initiation complex includes:
a.tRNA
b.rRNA
A
Complexes of ribosomes that translates mRNA simultaneously.
a.Polyadenosome
b.Chromosome
None
Judel have now successfully completed his PCR without denaturing his products. However, when he isolated his DNA, he realized that there are unwanted sequences in his DNA product. Which of the following should he use to cut these sequences?
a.DNA Ligase
b. Restriction Enzymes
B
Recombinant DNA Technology is helpful in medicine by:
a.Gene Therapy
b. GMO
A
Inside the sun, nuclear fusion occurs to these atoms in order
to generate energy.
a.Hydrogen
b. Helium
A
Biochemical pathways that occur in the mitochondrion include:
a.Krebs Cycle
b. Electron Transport Chain
Both
Common metabolic pathway:
a.Krebs Cycle
b. Electron Transport Chain
A
Catabolism:
a.Photosynthesis
b. Glycolysis
B
The energy currency of the
cell:
a.ATP
b. NAD
A
Generates the higher energy:
a.Hydrolysis of ATP into ADP
b. Hydrolysis of ATP into AMP
B
CoA is derived from:
a.Vitamin B5
b. Pantothenic acid
Both
NADH is derived from Vitamin B3
FADH2 is derived from Riboflavin
The proteins start being digested in the stomach
Acetyl CoA can be generated from carbohydrates via pyruvate
The Citric Acid Cycle generates NADH and FADH2 for the electron transport chain
The oxidation of isocitrate to a-ketoglutarate generates NADH and CO2
Oxidation of succinate to fumarate generates FADH2
Oxygen is the final acceptor of the electron transport chain
Protons are pumped into the intermembrane space when electrons flow through 4 protein complexes of the electron transport chain