-3
votes
0answers
5 views

How to wash hands Properly?

I have heard from my childhood that wash hand or else you will be sick...Is is true? Bye the way what do you mean by this wash hands..or how to wash hand properly?
0
votes
0answers
4 views

Phase separation of FIB1 Protein in NaCl solution

What is the mechanism of phase separation that causes droplets to form in a solution of proteins and NaCl, given the concentration of NaCl that allows this to happen?
0
votes
1answer
14 views

What is the effect of wheat's polyploidy on wheat itself and on us?

According to Wikipedia, "Hexaploid wheats evolved in farmers' fields", and bread wheat is among them. There is also diploid and tetraploid wheat. I guess that hexaploid wheat, besides the obvious ...
0
votes
0answers
13 views

How does plant life obey the constraint that the change in Gibbs free energy in a reaction must be negative?

My understanding is that if a reaction takes place, either entropy of the system must rise, or energy must be released from the system as heat, or both. (Citation: paraphrasing from The Vital Question,...
0
votes
0answers
6 views

Can temporomandibular joint disorder cause sensorineural hearing loss?

Is the pain when walking or running with such a disorder an indicator that hearing loss is occuring or going to occur? Ear pain is considered a symptom for this disorder. Can that be an indicator of ...
0
votes
1answer
15 views

How to put a gene under the control of a regulable promoter?

Suppose I have a hetrologous (eukaryotic, plant) gene sequence that I want to express in E Coli under the control of a regulable promoter (say the lac promoter induced by IPTG) how exactly does one ...
0
votes
0answers
16 views

Can crocodiles live past 155 years of age?

I was at the Teluk Sangat Crocodile Farm ("Crocodile World") in Johor, Malaysia. There were a bunch of crocodiles that were claimed to be 60-80 years old (these were printed signs), one or two that ...
-2
votes
0answers
14 views

Choose the intruder [on hold]

A. Antibody B. Antibiotics C. Micro-tubule D. Cholesterol I couldn't find a link between any of these 3 components to actually find an intruder.
2
votes
1answer
24 views

Is there evidence to suggest that sharks from prehistoric times live in the deep of the oceans?

I've had friends see the boat and giant teeth of a giant shark attack of a boat in Japan. (Teeth larger than a great white). [I can't find anything about this on the Internet]. In addition, this ...
0
votes
0answers
25 views

Stopping the Gag Reflex: How and why does it work?

I was talking to some friends over the weekend, and one of them made a comment about gagging. He said that he read or watched that clenching your thumb with your other fingers (making a tight fist ...
0
votes
1answer
25 views

Deducing protein sequence length from gene DNA sequence length

Is there a standard way to deduce protein sequence length from gene DNA sequence length of the gene coding for it? Naively I had assumed that ...
0
votes
0answers
15 views

RNA interference and the former Petunias experiment >

I'm having problems trying to understand how RNA interference works. From what I understood, in simple terms there is this dsRNA which is fragmented into siRNA by the enzyme called Dicer, and those ...
0
votes
0answers
8 views

Restriction enzyme recognition sites for plasmid libraries

I'm having trouble with the following question: You wish to cleave genomic DNA into fragments average about 2kb for cloning into a plasmid library. Which of the following restriction enzyme ...
1
vote
1answer
25 views

Forgot to vortex

Ugh. Did an immunofluorescence experiment last weekend, forgot to vortex both my primary and my secondary antibody solutions. And my final result looks dimmer than it should be. Is it possible that ...
0
votes
0answers
25 views

Influence of alcohol/hangovers on sex drive [on hold]

I have noticed that whenever I go out and drink alcohol I'll have a much higher desire for sex with my hangover the next day. I'm harder and the sex is better (this is not a troll question btw, I'm ...
-1
votes
0answers
26 views

how to identify complexes [on hold]

I have done a SILAC experiment and I have identified many proteins now I would like to know the possibilities to identify complexes (not using a databases). I know how to use databases to identify ...
1
vote
0answers
20 views

Absorption of nutrients in human beings [on hold]

I know that pulmonary veins carry oxygenated blood from lungs to heart, and pulmonary arteries carry deoxygenated/CO2 rich blood from heart to lungs. Arteries also carry oxygen-rich blood to the heart ...
-1
votes
0answers
21 views

Why people have less hair than other primates?

Well as you can figure out, most primates such as monkeys, gorillas and chimpanzees, have all their body covered with fur. As we know they are evolutional "relatives" to us humans, but we dont have ...
-1
votes
0answers
6 views

How to Study PR intervals as HRV Metrics? [on hold]

I am trying G. Clifford book about ECG Data Analysis 2006. RR intervals are mostly used as HRV metrics. PR intervals not because of low magnitude of detection. I would like to get some samples of such ...
0
votes
2answers
25 views

Predator prey interaction

I went through a line in my textbook which read: "But for predators, prey species could achieve very high population densities and cause ecosystem instability." I was not able to understand the ...
3
votes
1answer
34 views

Why is the Pentose Phosphate Pathway so active in erythrocytes?

Is it because glyceraldehyde -3-phosphate (a molecule which when enter glycolysis help produce ATP through substrate level phosphorylation) can be prepared without losing an ATP through this process?
2
votes
1answer
10 views

Could a large constrictor kill a small animal?

According to this article there was a python whose body circumference was 85cm. This means its diameter was 27cm. Would it be possible for this snake to constrict animals that are about the same ...
1
vote
0answers
11 views

O-Group names of Salmonella serotypes?

What liposaccharides are represented by the O-group designations of Salmonalla serovars in the Kauffman-White classification scheme? I mean to ask, how do the numbers in a Sal serovar (1, 9, & 12 ...
1
vote
0answers
10 views

How can I perform a 1:1 sequence-structure alignment for a pdb template dimer and homologous dimer sequence?

I have: 1. A PDB dimer protein structure template of a real solved protein. 2. An unsolved, but highly homologous dimer protein (>90% sequence identity.) How can I use MODELLER to make a theoretical ...
2
votes
0answers
14 views

Names for the degrees for symptoms from drought (or other damage) done to trees

Looking out my window, I see trees suffering from drought. I once knew the name for the degrees visible, but I have forgotten and can't find it on the net. One level was the tree being completely ...
-1
votes
0answers
10 views

Is there a way to convert/export track files (.trc file) generated from Media Cybernetics Image Pro Plus to .mat file type? [on hold]

I am trying to export these files so that they can be used with a matlab based automated behavior classification software JAABA. At the very least I would like to figure out a way to read the format ...
0
votes
1answer
40 views

How does DNA Polymerase make errors? [on hold]

DNA Polymerase inserts the wrong nucleic acid base into DNA at a rate estimated to be between 1 in 107 and 1 in 108. How does it determine which base to match to the template strand, and how does it ...
-1
votes
0answers
14 views

How can I grow seedless strawberries [on hold]

Many people with diverticulitis are under the impression that they can't eat foods with seeds. Although this does not seem to research based the practice seems to persist. I want to know how I can ...
0
votes
0answers
31 views

Deletion of codons at the start of a sequence in preparation for heterogeneous expression. Why?

I am reading a patent where they isolate a gene from cDNA constructed from RNA extracted from plant matter. The subsequent step (in preparation for heterogeneous expression in E Coli.) puzzles me: ...
-3
votes
1answer
38 views

Can you naturally change your DNA that's passed to your offsprings? [on hold]

Is it possible to change the genes that you'll pass on to your offsprings by natural activity and behavior. For example if you do body building for quite a long time build strong muscles then would ...
3
votes
0answers
51 views

Why did we evolve to control our breath?

I had this question in my mind and tried to think of why we would evolve to be able to control our breath. I remembered the Aquatic Ape Hypothesis, which makes a lot of sense and would explain it, ...
0
votes
0answers
5 views

Feedback mechanisms for the dynorphin-kappa opioid system?

(this is all happening in the brain). Also it's best to go context-first I think (1) Normally if you take an agonist drug that hits a receptor "x", eventually the brain will downregulate the density ...
-1
votes
0answers
10 views

What is the difference between an uncompetitive, noncompetitive, and mixed inhibitor?

I can't seem to find a good resource online that clearly outlines the difference between an uncompetitive, noncompetitive, and mixed inhibitor (I understand competitive inhibitor though). More ...
0
votes
1answer
36 views

Amino Acid requirement + intake in relation to diet + meat type [on hold]

I was arguing with a friend: I said: The Yulin festivals cannot be condemned by western culture, as we also kill animals in equally cruel ways. She said: It isn't just that the killing is cruel, ...
0
votes
0answers
12 views

How is the acetone method different from QB buffer for extraction of plant protein?

I primarily work on animal tissue but I thought of running an SDS-PAGE for plant tissue just for fun. I searched for some protein extraction protocols online and I don't know which one to choose. One ...
1
vote
0answers
35 views

Why is sex pleasure giving activity but not childbirth?

Asking from an evolutionary viewpoint. Sex is a pleasure giving activity so that it encourages reproduction and spreading of genes. But childbirth ,the most crucial part of the reproductive process, ...
4
votes
2answers
78 views

Does a plant have to have leaves to produce fruit?

Is it possible that a plant can still produce fruit, even though it may not have leaves? Are there any plant species that can produce fruit without leaves?
0
votes
1answer
32 views

How well do Eppendorf cups seal?

I am considering to send some samples overseas in Eppendorf cups. They are the standard plastic cups of 1 to 2 mL capacity. Of course they may tip over during their journey and I'd like to know how ...
0
votes
0answers
14 views

Why can dogs not have a pink(ish) coat color?

In yellow dogs, there is a mutation in the MC1R gene which leads to a nonfunctional receptor. This leads to the production of pheomelanin which is pink/red (depending on concentration) instead of ...
-1
votes
0answers
9 views

What's the difference between “mixing” and “combination” of chromosomes? [on hold]

What's the difference between "mixing of chromosomes" and "combination of chromosomes" ?
7
votes
0answers
103 views

Identification of a mammal in cage

This unidentified animal was trapped in northern part of Kerala State India. Following loss of domestic fowls and suspecting toddy cats a trap was placed and this unidentified animal was trapped. No ...
0
votes
1answer
30 views

ExAC Browser: What does a “dubious variant annotation” actually mean? [on hold]

I wonder how a "dubious" variant annotation is exactly defined in ExAC. I couldn't find any further information neither at the variant's page nor in the FAQs. Link to ExAC browser. Link to variant ...
0
votes
0answers
12 views

Is there any technique other than restriction enzymes to introduce staggered cuts into DNA?

I'm curious about introducing staggered cuts into DNA, but wonder if there is a way to do this in vivo in E. coli, as I heard introducing restriction enzymes on a plasmid would end up just shredding ...
0
votes
0answers
21 views

Insect behavior - why do they land on my window and refuse to move [on hold]

Why do so many insects, particularly bees, land on my window screen and refuse to move even if I hit the window or the screen to make it go away. They do this to my car window too. I see no reason for ...
3
votes
1answer
24 views

Japanese Crab Identification?

I saw a crab walking home from work the other night. We're by a river, but I was probably 500 feet away from the river when I saw this one. I apologize for the image quality, all I had was my terrible ...
-1
votes
0answers
23 views

When frozen rain moves up and down within an anvil cloud, _____ is formed [on hold]

When frozen rain moves up and down within an anvil cloud, _____ is formed. A. hail B. snow C. thunder D. lightning

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