#Question id: 23871
#Unit 13. Methods in Biology
#Question id: 3824
#Unit 3. Fundamental Processes
State whether the following statements is true/false regarding DNA replication.
1. The polymerization of DNA is essentially irreversible due to the hydrolysis of pyrophosphate.
2. On average about twenty errors are made during each replication of the human genome.
3. DNA polymerase I possesses 5ʹ → 3ʹ exonuclease activity.
4. All DNA ligase enzymes use ATP as a cosubstrate.
5. The purpose of SSB is to prevent single-stranded DNA from folding back on itself to form double-helical regions.
#Question id: 28897
#Unit 4. Cell Communication and Cell Signaling
Which of the following proteins activate the target gene expression with co-activator β-catenin ?
#Question id: 28706
#Unit 2. Cellular Organization
A key participant in this unfolded protein response is an ER membrane protein that exists both as a monomer and as a dimer, which is___
#Question id: 388
#Unit 1. Molecules and their Interaction Relevant to Biology
Calculate the pH of a solution prepared by mixing 2.0 mL of a strong acid solution of pH=3.0 and 3.0 mL of a strong base of pH=10.0.