Biology Weekly Newsletter - Wednesday, April 29, 2015

Biology newsletter

Top new questions this week: Biostatistics: Pollen dispersal directionality What Information am I looking for? Think about a tree that is sending pollen all over the place. Because of wind, most pollen grain will go toward one direction. Imagine, we split the 2D area around ... botany mathematical-models statistics biostatistics migration   asked by Remi.b 9 votes answered by Hillary 3 votes What is this insect? Found in Peru I took the pictures today in Cusco Peru. It is the third insect of its class in a month. I never see it before. I thought that it is a wasp, but I think it's really thin to be a wasp. It's about 4 or ... entomology species-identification   asked by Mijail 9 votes answered by Kendall 7 votes When do plasmids replicate relative to its host cell cycle? For plasmids is so much shorter than their host cell's genome (about 1/1000 in my case), it will take only 1/1000 time for it to replicate. With respect to cell cycle, when will that replication ... microbiology ecoli plasmids replication copy-number-variation   asked by Neil 9 votes answered by poka.nandor 6 votes How can we differentiate between respiration and breathing? I am a student of 10th grade, and I eagerly want to learn biology. What is the difference between respiration and breathing? physiology respiration breathing   asked by NigHterz 8 votes answered by anuragak 7 votes What is the difference between influenza A and B viruses that causes their distinct seasonal patterns? I recently learned from an answer at health.SE* that influenza B tends to occur later in the season compared to influenza A. According to the graph in that answer, during this year's flu season the ... pathology virus infection   asked by Susan 8 votes answered by Fomite 2 votes Is cyanocobalamin toxic? I see that cyanocobalamin is not naturally occurring, and is synthesized in vivo to methylcobalamin. As part of the synthetic pathway, cyanide is broken off. All opinions I can find are that this ... biochemistry nutrition   asked by user4779 7 votes answered by WYSIWYG 5 votes What is the reason behind high resting membrane potential of pacemaker cells? Pacemaker cells have high resting membrane potentials of -50 to -40 mV, whereas normal cells have their resting membrane potential around -70 mV. Which ions, and what kind of channels are responsible ... biophysics electrophysiology   asked by Divya Prakash 7 votes answered by Rover Eye 6 votes Greatest hits from previous weeks: What type of cell do you start with in Meiosis? Okay, I was learning about mitosis and meiosis in school and had a question. I know in Mitosis you first start off with a Diploid (2N) cell and then end up with two daughter cells that are also ... cell-biology meiosis   asked by Link 4 votes answered by mgkrebbs 4 votes Can a woman give birth to twins with different fathers? Is it possible for a woman to conceive from two different men and give birth to half-siblings? twins   asked by Probably 39 votes answered by anongoodnurse 44 votes Can you answer these? Problem involving selfing (inbreeding it with itself) a plant to generate purebred lines I am working on a past exam problem where the first bit is as follows A plant is repeatably selfed to generate inbred lines. Let $\mathbb{P}(He|He)$ denote the probability that a heterozygous ... genetics homework   asked by HBeel 2 votes Why do flagella form a bundle only when they rotate counterclockwise during chemotaxis? During Chemotaxis in bacteria with flagella, the flagellar rotation dictates how the cell moves. If the flagella rotate counterclockwise, then they form a bundle at one end of the cell (---O) and ... cell-biology microbiology bio-mechanics   asked by BluWasabi 2 votes What's a good simple test for cDNA library quality? How do I assess the quality of a cDNA library? I want to clone CDS copies of genes from a library, but I don't know what's a typical expectation of getting a full length clone even for a shorter ... pcr cdna   asked by shigeta 1 vote

Subscribe to more Stack Exchange newsletters Unsubscribe from this newsletter or change your email preferences by visiting your subscriptions page on stackexchange.com. Questions? Comments? Let us know on our feedback site. If you no longer want to receive mail from Stack Exchange, unsubscribe from all stackexchange.com emails. Stack Exchange, Inc. 110 William St, 28th Floor, NY NY 10038 <3