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0answers
2 views

psychological database with sequenced DNA records

I'm looking for an epigenetic database which includes for each example the psychological history of the persons DNA. Right now I can only find DNA and epigenetic databases. Sadly none of the databases ...
1
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1answer
8 views

Are people genetically predisposed to being interested in specific fields/ideas? How does specialization occur?

I'm not sure if I formulated my question well, but I'm curious about a couple statements made by Steven Pinker and and James Heckman. In this interview: ...
0
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2answers
14 views

how we don't breathe nitrogen when it makes the most of air?

How we don't breathe nitrogen when it makes the most of air? Why we are always tend to breathe oxygen,not hydrogen and nitrogen?
0
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0answers
5 views

Any recommended links for lectures by Dr. Russell Vance from Berkeley [on hold]

Can you please recommend me any links for the lectures by Dr. Russell Vance on Immunology, Host Pathogen Interaction? Thanks Piyush
0
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1answer
9 views

Could the Warburg effect be used to starve cancer cells in situ?

What is wrong with the following chain of reasoning? Nearly all cancer cells rely on high rates of glucose uptake (upto 200 times more than normal cells). This is known as the the Warburg effect. ...
0
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1answer
14 views

What is the current molecular explanation of Mendel's pea cross?

With reference to the simplest Punnet square for Mendel's pea plant experiments it occurred to me that I could not connect the little I know about genetics to the little I know about molecules. The ...
0
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0answers
14 views

Follow up to Genetics Question

In studying for biology courses I feel as though I have to take things at face value. Is there a way to get around this and study from a more logical standpoint? I can memorize things but don't want ...
0
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0answers
13 views

Studying genetics

I am interested in studying disorders that are genetic in origin. However, I am having difficulty in understanding molecular and cellular mechanisms regarding processes such as meiosis, mitosis, and ...
1
vote
0answers
8 views

Preventing paracetamol overdose

Paracetamol overdose is one of the most common drug toxicities. It may be treated by intravenous N-acetylcysteine which replaces the glutathione that is used up in paracetamol metabolism to prevent ...
1
vote
1answer
12 views

In which direction plants' root grow in weightlessness?

As far as I know, roots of plants grow to the direction of Earth's gravity - this is called gravitropism. But what happens if plants are in space? Are they able to perceive gravity in state of ...
0
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0answers
9 views

Why dogs are often mercurial?

I'm not a huge animal fan, but my experiences show that some (most?) of the dog breeds are active and need exceptionally lot of place to stay healthy and happy. What's the reason behind it? I know ...
0
votes
0answers
5 views

How do I share a protocol on Synbiota?

After I create a protocol on Synbiota, how can I share it with colleagues not in my project?
0
votes
0answers
6 views

How does a TOPflash/FOPflash assay work to detect beta-catenin protein expression?

I am reading an article (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3596711/) wherein a TOPflash/FOPflash assay is used to detect beta-catenin protein levels in a COS-7 cell line. I can't find a good ...
1
vote
1answer
14 views

definition of tempo and mode in evolution

I am reading Punctuated Equilibria: The Tempo and Mode of Evolution Reconsidered, which mentions the "tempo" and "mode" of evolution. I'm not familiar with the related literature and when I google the ...
1
vote
1answer
16 views

Definition of Linkage Desiquilibrium (LD)

According to [wiki][2], linkage disequilibrium $D$ equals $$D = x_{11} - p_1\cdot q_1$$ where: $$ \begin{matrix} \text{Haplotype} & \text{Frequency}\\ A_1B_1 & ...
2
votes
1answer
19 views

How does tree resin capture arthropods?

In regards to a published paper of a spider about to make a meal out of a parasitic wasp (http://www.tandfonline.com/doi/abs/10.1080/08912963.2011.640399#.U1kSV14gVBU), it reminded me of a issue I've ...
0
votes
1answer
38 views

Why cats and dogs seem to hate each other?

There's an infamous "legend" that dogs attack cats if they see them. What's the reason, and what is it depends on? Are there exceptions?
1
vote
1answer
14 views

Are bronchioles and alveoli covered by respiratory epithelium?

Which parts of respiratory apparatus are covered by respiratory epithelium and which are covered by other kinds of epithelium?
0
votes
1answer
8 views

Why rectus abdominis is not proximal muscle?

I am thinking this picture which shows proximal muscles. Why for instance pectoralis major, subclavius and rectus abdominalis are not included in proximal muscles?
0
votes
1answer
15 views

To have TBE vaccine during allergic times with mild asthmatic symptoms?

My assistant says that if you have asthmatic symptoms you cannot have TBE vaccination, although you are living in the active zone of TBE. Cases mild allergic symptoms allergic symptoms under ...
2
votes
2answers
565 views

Name of scientist who discovered lifesaving drug and chose not to patent it?

I recall reading about a 20th century scientist who made a life-saving drug that could have patented it and made millions. He chose not to and saved the lives of millions around the globe. I thought ...
0
votes
1answer
19 views

Neuroscience:Spinal tract

I have few confusions finding the answer for the questions below. I have tried answering the first two But i am not sure if it is right or not? And i do not know about the third one? 1.in which ...
1
vote
1answer
16 views

Relationship between small and large fast-twitch motor units

When large fast-twitch motor units are temporarily fatigued, non-fatigue small motor units in the same muscle are impaired for small delicate tasks. Why? When impulses from the brain comes down, the ...
0
votes
0answers
13 views

Can paralogous genes be under negative selection?

I have just aligned 9 paralogous genes from human, uploaded them into MEGA and calculated negative selection. Can there be negative selection acting in between paralogous genes? Or how should I ...
2
votes
0answers
51 views

How Sex Evolved ? and when?

As I know evolution comes bit by bit mutation by mutation How sex evolved which requires a major change in at least two individuals one to become male and one to become female ? When that happened ...
0
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0answers
9 views

What is the distribution of agent on plasma proteins in ECF?

I am studying Montelukast here: Montelukast is more than 99% bound to plasma proteins. The steady state volume of distribution of montelukast averages 8 to 11 liters. Studies in rats with ...
1
vote
1answer
27 views

Measurement of glucose concentration in the human brain

If I want to measure the exact glucose concentration in a human brain then how can I proceed to do that? Is there any technique or assay to do that?
1
vote
0answers
11 views

Source of information on the evolution of aging/senescence

Do you know a good review (published peer-reviewed or an online course or whatever) that offers a good overview of all hypothesis explaining the various patterns linked with aging? I'd like this ...
2
votes
1answer
25 views

How to interpret the breeders equation?

The univariate breeders equation is defined as, $\ R = h^2 s$ where $\ R $ is the response, $\ h^2 $ is the heritability (additive genetic variation), $\ s $ is the selection differential. The ...
0
votes
1answer
21 views

How to increase the rate of absorption and assimilation of food? [on hold]

i was reading this and want to know excerpt from the above link...
1
vote
1answer
18 views

fibrinogens and fibrins - are they the same molecule?

Some proteins are "activated", like fibrinogens; they are turned into fibrins by thrombins, and then the fibrins can aid in blood clotting. Are fibrinogens and fibrins the same molecule, just in ...
2
votes
0answers
17 views

Why is post-vaccination fever for 4CMenB so high?

When considering the introduction of 4CMenB vaccine, the Joint Committee on Vaccination and Immunisation said: The sub-committee noted that the clinical trials data suggest that when 4CMenB ...
1
vote
1answer
26 views

identification of species of snake

Can anyone identify this colorful snake found at Pulau Ubin in Singapore? Thanks in advance!
1
vote
0answers
44 views

How to maximize lung oxygen intake?

What method of breathing provides a sudden surge of oxygen into the lungs filling it as full as possible in volume and density. Deep breaths? Shallow breaths? Breaths taken while bent over? Deep ...
1
vote
1answer
30 views

identification of this flower

I saw this flower in Pulau Ubin in Singapore. Can anyone identify the species of this flower? Thanks in advance!
0
votes
0answers
22 views

occurence of interesting phenomenon

I was strolling along the mangrove area along Berlayer Creek in Singapore, when I saw this interesting phenomenon. The left side of picture shows some bricks which seem to connect the ground to the ...
1
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0answers
22 views

identification of species of this bird

Hi I saw this bird near my school canteen in Singapore in Spring. Can anyone identify the species of this bird? Thanks in advance!
1
vote
1answer
25 views

identification of species of tree

I just want to confirm the species of the tree in the middle of the picture. Is it the "Flame of the Forest"? This is taken in my school campus. Thanks in advance!
1
vote
2answers
32 views

Could humans theoretically see infrared better than regular light?

I have noticed that in infrared film, people's eyes reflect that light within their eyes much like nocturnal animals (and many other animals for that matter) do with regular light. I know that this is ...
1
vote
1answer
35 views

Do cell walls prevent cancer?

To my knowledge plants do not have an uncontrolled growth disease similar to cancer. Is the function by which they avoid uncontrolled growth related to their cell wall and preventing damage to ...
1
vote
0answers
14 views

What is the nature of action potentials in autonomic nervous system?

My conjuncture is that the natures of sympathetic and parasympathetic action potentials are different. My findings propose me that sympathetic action potential is little longer lasting than ...
1
vote
2answers
39 views

How to determine whether the energy of a stem-loop fold is significant or not?

If I have a predicted RNA stem-loop of energy -0.30 kcal/mol, and another of -4.9 kcal/mol, how do I tell whether such a structure is a significantly stable structure or not? Our two competing ...
0
votes
1answer
14 views

Specifics of decussation

Beginner question here: The definition of decussation I see is the crossing through the midline of a bunch of neurons. But I was wondering if there was a little more to it than this, because I'm ...
0
votes
2answers
39 views

Which types of hydrogen bonds are known to exist in RNA secondary structures?

I'm programming an implementation of an algorithm for pattern matching in RNA structures. The algorithm assumes the following types of base pairs: Plain: No base pairs (just the primary structure of ...
0
votes
1answer
24 views

What nutrients do I lose in the water when I boil vegetables?

What nutrients do I lose in the water when I boil vegetables. Has to be some water-soluble and heat labile ones right? Which ones?
2
votes
1answer
40 views

How is the transcription direction of RNA polymerase determined?

When transcription factors attach to the DNA strand - How do they know in which direction they have to initialize the transcription by rna polymerase? Is it always read in the same direction anyway? ...
0
votes
0answers
9 views

Degenerate primer design for DIG in situ hybridization

New to molecular and have learned to design primers from google/youtube so any info would help Would someone be willing to share their protocol for degenerate primer design? Breakdown: Trying to ...
2
votes
2answers
33 views

Why basement membrane thickens in diabetes mellitus?

Untreated diabetes mellitus may lead to blindness and kidney failure because the basement membrane of small blood vessels in these organs thickens due to increased production of collagen and laminin. ...
0
votes
0answers
15 views

What is the outcome of DMX ativan voice study? [on hold]

I'm looking for the results of Dextromethorphan to Treat Patients With Voice Spasms but I can't find it could someone help me? It was going to use DMX and ativan to treat hoarseness.
-1
votes
1answer
28 views

Can human survive falling from 30 000ft without chute

What are the chances of survive if one landed in the water?

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