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Oct
12
reviewed Excellent What is this vinca like vine?
Oct
12
reviewed Excellent Help me Identify this Spider
Oct
12
reviewed Excellent Is there a biological mechanism for evolution encoded into our DNA?
Oct
12
reviewed Satisfactory What is the functional significance of the difference in cardiolipin/cholesterol ratio in different membranes?
Oct
11
comment Are there any multicellular forms of life which exist without consuming other forms of life in some manner?
Closely related to the question can humans survive without eating life
Oct
11
reviewed Excellent Importance of knowing GC Content of an organism
Oct
11
reviewed Excellent Why has grey hair evolved?
Oct
11
reviewed Needs Improvement How to estimate the DNA density in human sperm head?
Oct
11
reviewed Satisfactory What is the mechanism of oxygen uptake in E. coli?
Oct
11
reviewed Satisfactory Can a single axon propagate multiple simultaneous action potentials?
Oct
9
reviewed Leave Closed If DNA is the input, what is the output?
Sep
30
awarded  Explainer
Sep
17
reviewed Close How do I prepare a solution? (Calculation)
Sep
10
revised Is this a grackle with an unusually long decurved bill (Phoenix AZ, USA)
added in edit posted as answer
Sep
3
reviewed Leave Closed Does scratched Teflon coated frying pans contain carcinogens which can cause cancer?
Sep
3
reviewed Reopen Is plastic just as good for you as corn?
Sep
2
reviewed Reject Pharmacology: Drug Administration
Aug
31
comment Pharmacology: Drug Administration
I would say that the reason sildenafil is typically preferred over alprostadil is largely due to Viagra being a nice friendly tablet and alprostadil being a particularly daunting injection into a sensitive area for patients. Perhaps this goes some way to indicating one of the main reasons many drugs are enteral in administration - patients find it easier.
Aug
30
revised Why are human children more likely to get lice (nits) than adults?
edited body
Aug
23
reviewed Approve Can humans survive without consuming life?