Written by Samantha Wong (PEACE Advisor) A) What is the chemical mechanism for how nucleotides joined together during DNA replication? What is the nucleophile and the electrophile? B) What is the leaving group for the reaction described above? Click “Read More” to see the answer. a) 3’ OH on the ribose sugar is the nucleophile, 5’...
Written by Kevyn Niu (PEACE Advisor) T/F: Hill coefficient cannot be a negative number Click “Read More” to see the answer. True!
Written by Kevyn Niu (PEACE Advisor) What is the relationship of gluconeogenesis to glycolysis? Click “Read More” to see the answer. They are inverses of each other: gluconeogenesis serves to create glucose; glycolysis turns glucose into pyruvate.
Written by Kevyn Niu (PEACE Advisor) What is the protein subunit that drives ATP synthesis? Click “Read More” to see the answer. F0F1 ATPase *ATP synthase*
Written by Kevyn Niu What are the intermediates for nitrogen shuttling in the urea cycle, starting from bicarbonate? Click “Read More” to see the answer. bicarbonate -> carboxyphosphate -> carbamate -> carbamoyl phosphate.
Written by Samantha Wong (PEACE Advisor) Hershey and Chase labeled bacteriophages with radioactive sulfur and radioactive phosphorus to investigate how viruses use host bacteria to propagate. The bacteriophages are composed of a protein coat and genetic material inside the protein coat. 1a) Let’s say that the radioactive sulfur emitted red fluorescence and the radioactive phosphorus emitted blue...
Written by Samantha Wong (PEACE Advisor) What are some functions/features of RNA that support the RNA World hypothesis (the fact that the first origins of nucleic acid polymers was RNA instead of DNA)? a. RNA is single stranded b. RNA can act as enzymes c. RNA can replicate itself d. RNA stores useful genetic information Click “Read...
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Written by Amy Wang (PEACE Advisor) With midterms coming up, it’s time to buckle down and do some studying. But with the internet, friends, hobbies, and other extracurriculars, there are often endless distractions that seem much more enticing than that textbook. So how do you get yourself in study mode? Here are several tips...
The American Medical Women’s Association-Berkeley (AMWA) is a branch of the national organization that offers service events related to women’s health. AMWA-Berkeley is also a community that provides professional development and a support network for students interested in the field of medicine. From students interested in public health to those interested in pursuing dental...