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I have just started reading up on structure-based methods for drug design (this is completely not my field so apologies for stupid questions that will be coming along!)
I know NADH is used in cellular respiration and NADPH is used in photosynthesis. What difference does the phosphate group make that the same one isn't or can't be used for both?
A while back there was a lot of noise about resveratrol, a naturally occurring phenol which was touted as a potential anti-aging drug due to its role in regulating the SIRT 1 gene.
Place the following statements in the correct order for an action potential to be generated.
As far as I understand, various abilities like flying, sight, hearing etc. were caused by slow evolution, where those with a greater ability to these things had better chance of survival.
Beyond ABO-Rh, is there any advantage or disadvantage (excluding the obvious difficulties in finding a donor after accident/trauma) in the 30 other blood type suffixes recognised by the Internati
Do the antibiotics consumed by a human-being distinguish between what they kill? Or do they just kill every bacteria they find? And if that's the case, which bacteria do antibiotics find or do they
Microbiology question on prokaryotic, archaean, and eukaryotic cells and evolution. Compare and contrast prokaryotic, archaean, and eukaryotic cells. How have these differences influenced the curre
Strain 1: the frogs have purple eyes and croak by uttering "rib? it rib? it" (utterers) Strain 2: the frogs have green eyes and croak by muttering "knee? Deep knee-deep"(mutterers)
the proper position to designate what effect each condition would have on membrane physiology. Categories: i. Makes RMP (Resting Membrane Potential) Less Negative ii.&
the interaction or bond is disrupted by the urea treatment: Ionic bonds. Hydrogen bonds. Disulfide bonds. Peptide bonds. Van der Waals interactions.
In corn, the genotype A-C-R- is colored. Individuals homozygous for at least one recessive allele are colorless. Consider the following crosses involving colored plants, all with the same genotype.
The formulation of a hypothesis is based on observations and refined by available information from past observations or research. Place the following statements in the appropriate sequence showing t
Question: Stretching the cervix indirectly causes the uterus to contract with more force, causing greater stretch of the cervix. Question: Platelets in the blood adhere to a recent cut in the skin a
Sometimes Dobzhansky's quote "nothing in biology makes sense except in the light of evolution" misinterpreted to mean that volutionary biology is the most important subdicipline in biology. Why woul
A quinoa researcher is interested in the red variant of quinoa. She would like to determine if this variant is a Mendelian trait. She has taken a pure breeding red strain and crossed it with a pure
You have synthesized messenger RNA with bases incorporated in random sequence in the ratio 1U:5 Cs. in a protein? Synthesizing system in vitro, indicate the identities and proportions of amino acids
The genome of virus SV40 is a circular double? Stranded DNA molecule 5 kb long (i.e., it contains 10,000 bases).
Why are nearly all amino acids in organisms left-handed (exception is glycine which has no isomer) when abiotic samples typical have an even mix of left- and right-handed molecules?
Purebred lines of fruit flies with wild type (tan) body color and stubbly bristles are mated to flies with ebony bodies and normal bristles. The resulting F1 offspring all have normal wild-type body
Do newborn babies just happen to ingest only certain e.g., E.coli strains? Is the gut a selective environment in which only certain E.coli strains develop?
how do resistant bacteria process antibiotics when exposed to it, compared to non-resistant bacteria.
In my country the temperature is about 35-40-45 degrees Celsius in mid-summer (I live in Romania, Eastern Europe, and the climate is supposedly ideal here) which is very unhealthy. Does the human bo
If all the brain ever "sees" is action potentials, how do we know that one set of action potentials denotes a flash of light, another one signifies a loud sound, etc?
We organisms die if we don't get oxygen for too long. Maybe one of them happened to mention that its used to make ATP. Now in my AP Biology class we finally learned the specifics of how oxygen is us