6
votes
3answers
402 views

What happens if a non-diabetic receives an injection of insulin?

If a person without diabetes or any diabetes-related issues receives an injection of insulin, what happens? Would the blood glucose level drop or does the body naturally compensate for the added ...
3
votes
2answers
106 views

Is the DNA different in each type of cell? What DNA is passed to offspring?

Our body contains many different types of cells and each of those cells have their own DNA (correct me if wrong) like skin cells their own DNA that makes them skin cells instead of muscle cells. So ...
0
votes
1answer
18 views

Where does the lactate produced by tumors go?

Tumors are known to burn glucose and secrete lactate (this is known as the Warburg effect). Where does this lactate go? Does it steadily accumulate in the neighborhood of the tumor? This doesn't ...
1
vote
0answers
22 views

How can I estimate the CO₂ uptake of a plant?

I would like to make an estimation of the CO2 uptake of plants I cultivate, including, lettuce and aromatic herbs, such as thyme, basil, rosemary. What I want is to end up with a rough indicator for ...
1
vote
0answers
10 views

What is the difference between chloride shift and Bohr shift?

Does anyone know the difference between chloride shift and Bohr shift? Is it that Bohr shift happens in respiring tissues when CO2 concentration is low, and that Chloride shift happens in the blood ...
0
votes
0answers
8 views

In what sense does lichen 'eat around itself'?

Source: pp 31-32, Lichen Secondary Metabolites: Bioactive Properties and Pharmaceutical Potential, edited by Branislav Ranković Lichens are used for many different medicinal purposes, but there ...
0
votes
0answers
21 views

how to find no of annotations of a specific chromosome (say chr10 that is in the chromosome's column)in a tab delimited file in linux [closed]

for example my first line of the file when i filter the data using grep is as below. there are multiple entries of chr10 in the third column . How do i count the number of annotations of chromosome 10 ...
1
vote
0answers
27 views

Capture recapture for only two visit assuming a open population model

I have a study system where I’m doing a capture recapture analysis. I mark fish in one year and I’m recapturing a subset of them the next year. I only have 2 capture events. Since a lot of time has ...
0
votes
0answers
18 views

Respiratory System [closed]

How do chemoreceptor cells regulate respiration? Check all that apply a.Chemoreceptors are found in the aorta. b.Chemoreceptors are found in the brainstem. c.Chemoreceptors are found in the carotid ...
2
votes
2answers
255 views

How long do viruses, such as Zika, stay in the body?

Can a virus stay in your body (after recovery) in a concentration that is sufficient to infect someone? Is it known how long the Zika virus persists in the body?
3
votes
0answers
31 views

How to solve the problem of 2 melt peaks in real time PCR?

I am facing a problem in my real time experiment. After standardizing the annealing temperature by semi-quantitative PCR, I did real time for my gene of interest. In one of my samples, I got 2 peaks ...
0
votes
1answer
45 views

Solving a Pedigree Between Heterozygous Half-Cousins

A man who is a known heterozygous carrier of oculocutaneous albinism marries his half-cousin (they share one common grandparent) as shown in the pedigree below. This trait is transmitted as a fully ...
2
votes
1answer
23 views

A limit to birds affinity for high vantage points [on hold]

Birds seem to have a natural affinity for high vantage points, including power wires, the tops of trees, and the sides and tops of buildings. However I presume the top of the Burj Khalifa is not ...
1
vote
0answers
29 views

About photosynthesis VS respiration [on hold]

Is it true to say that the electron transport chain in photosynthesis and respiration is slightly different, regarding to the direction of H+ pumping and flowing back in through ATP synthase? ...
0
votes
0answers
52 views

What would happen if a cell is poked by a fine needle? [closed]

I had seen this question in an exam: A living cell has a protoplasm which is water based and demarcated by a lipid bilayer membrane. If a cell is pierced to 1/5th of its diameter with a very sharp ...
1
vote
0answers
25 views

Is it possible to make the human cells totipotent? [closed]

we all know humans are not capable of regenerating from a single cell. Is there any possibility that we can make cells totipotent?
1
vote
1answer
27 views

Does a specific blood group enhance the Plasmodium growth?

I am maintaining Plasmodium falciparum cultures for past 6 months. For the blood culture, usually we lab members take turns and donate blood for the culture. I observed that the parasite's normal ...
0
votes
0answers
14 views

Tardigrade genetic acceptance and experimentation?

Does this property of tardigrades, that when under extreme conditions they are more permeable and more easily accept sections of genes developed in other species, as I understand sometimes transfered ...
1
vote
0answers
37 views

How many Watson-Crick + Hoogsteen triple base pair combinations are there?

Are these triple base pairs the only Watson-Crick + Hoogsteen triple base pairs possible? Furthermore, are TAA and TAT mixed up? This image is from Wikipedia, so it's possible that it's erroneous.
2
votes
0answers
25 views

Can tardigrades survive being eaten?

Compared to a tardigrade, the cockroach seems fragile. But can tardigrades survive the acidic environment of being eaten by most animals?
0
votes
0answers
19 views

Pain: What are the neurological processes responsible for pain? [closed]

In the context of human beings, what is processes that cause the sensation of pain? "Pain" refers the sensation of injuries, and in addition, the sensation that can be vaguely considered "the ...
0
votes
2answers
40 views

Could a prolonged amount of Antibiotics severely affect the digestion Gut Microbiota?

Could taking antibiotics for a prolonged amount of time severely harm or even worse kill off a large proportion of Gut Microbiota responsible entirely for digestion, Resulting in lifelong digestion ...
0
votes
0answers
19 views

Transgenic Plant-Gene source for introduction into host organism

Let's say the plant-gene itself is known, i.e. the exact neucleotide sequence is available in a gene bank (originally sequenced from a tree sample extracted RNA). Previous work has already successfuly ...
0
votes
0answers
28 views

conjoined twins mirror image explanation

why are conjoined twins sometimes symmetrical, like organs such as liver, stomach and heart are mirror image of each other? Can you give me a hypothesis that could somehow involve primitive streaks? ...
3
votes
0answers
21 views

Does the bending of a tree's trunk in the wind stimulate and strengthen root growth?

Recently Southern California experienced extreme wind velocities and afterwards the news reported over 300 trees had fallen in San Diego County. I had either heard or read somewhere that the action of ...
0
votes
1answer
22 views

Conjoined twins formation theory

is it theoretically possible to take two fertilized mammalian eggs and push them together to make conjoined twins? How about forming non-identical conjoined twins?
0
votes
1answer
25 views

What does characterization mean in a genomics context?

"The resulting libraries of gene sequences allow CDC and other laboratories to compare the genes of currently circulating influenza viruses with the genes of older influenza viruses and viruses ...
8
votes
1answer
66 views

Why do we blink instead of winking each eye independently?

Question Why do we blink both eyes at the same time rather than winking each eye as needed? Why would winking independently be better? The benefit would be a minor improvement whereby a person ...
1
vote
0answers
39 views

Model for Oxygen diffusion into tissue? [closed]

Currently I have an idea and want to research it's feasibility. I want to know how oxygen or any other particle could diffuse into the body through small holes in the skin. is it possible to ...
0
votes
1answer
33 views

new DNA sequencing technologies? [closed]

Last year I did my thesis in the field of a new method for DNA analysis. Which I think is very interesting although I cannot seem to find any new methods in this field especially the SMRT sequencing ...
3
votes
1answer
19 views

Why is it advised to avoid bubble formation during mixing?

I have been told not to vortex solution containing protein. The reason I was given is bubble formation. Here I am interested in the effect of bubble formation in general.
0
votes
0answers
11 views

What is the difference between vortexing and centrifuging? [migrated]

I understand that vortexing will result in mixing / re-suspension of particles, and that centrifugation will result in the separation of particles. However, what is the difference in the physics that ...
0
votes
0answers
8 views

What causes the color boundary in irises?

The iris shown in the image below has a radial color boundary. The part closest to the pupil is a brownish color while the part farther from the pupil is an aqua color. What causes this to develop? Is ...
1
vote
0answers
19 views

XNAs as a Genetic material [closed]

I heard there is a new genetic material called XNAs.I wanted to know more about this.Does anyone about XNAs as genetic material?
-4
votes
1answer
44 views

What are some extreme side effects of the MMR vaccine? [closed]

Just wondering what the side effects MMR vaccines can cause and some of the biological pathways it affects. For example can they cause brain damage?
3
votes
1answer
37 views

Does food continue to stay sequential once it is inside my body?

I may be very off on many scientific details here, but I'm always all ears. As far as I understand, any food that is eaten goes to the stomach, gets broke down even further into smaller food ...
1
vote
1answer
32 views

The impossibility of making a human in a lab [closed]

Am I right if I say that the only place where the right conditions exist for developing a human being is the womb, so that people will never be able to make a human being in a lab? In order to develop ...
0
votes
0answers
22 views

Dogs recognize eachother on sight. How come?

Is it possible that the fact that dogs regonize eachother on sight is caused in the developing embryo, wich is to say that the developing map from wich the motorcells conect to the motorsystem somehow ...
1
vote
0answers
32 views

Molecular Biology and Genetics [closed]

What's the best textbook and online courses to study Molecular biology and genetics for undergrad student?
1
vote
0answers
17 views

Infants tend to look longer at novel stimuli than at repeated stimuli, is this true in adults? [migrated]

I have recently read an article in which it is stated, that the researchers can discriminate if a baby knows an object, by looking at the length of time the baby looks at the object. Is this feature ...
-1
votes
0answers
35 views

Why does maximum likelihood rarely use morphological data? [closed]

ML uses Dna rather than morphological data most of the time, unlike parsimony. I was just wonder why this is the case
1
vote
0answers
14 views

differentially expressed genes of the treated with estradiol samples

I did differential analysis on samples treated (G1E-ER4) with estradiol (differentiation induced by estradiol) and control (G1E). The genes that I gor as differentially expressed in G1E-ER4 showed ...
11
votes
2answers
864 views

Why does immunity from the flu vaccine appear only after two weeks?

It is said that immunity from a flu vaccine appears after about two weeks. However, from experience, the flu usually lasts only a few days. If sufficient antibodies appear only after two weeks ...
6
votes
1answer
52 views

Why do crows sit on treetops even when it is cold?

It is cold outside: -1 degrees Celsius, wind 14 km/h and snow from time to time. I was wondering why crows (maybe birds in general in Northern Europe) are calmly sitting in relatively windy places ...
0
votes
1answer
32 views

Find how much times blood is filtered in the kidney? [on hold]

The blood that circulates in our body is about 1/12 of our mass. If the kidneys filter 7.5 liter of blood a hour, then how many times does it filter in the kidney the whole blood of a person will mass ...
1
vote
0answers
26 views

Is the relative amount off junk DNA a measure of an organisms complexity? [closed]

A rice plant contains as much active DNA (protein coding) as a human being. Can this be a sign that the more junk DNA the nucleus of a cell contains, the more complex the organism is that develops?
3
votes
0answers
28 views

In the life-cycle of the HIV virus, how does the created DNA enter the nuclear membrane?

I am in a high school biology class, so I cannot truly attest to how accurate the information I am given is, but as far as I know only RNA and very small molecules can enter the nuclear membrane ...
0
votes
0answers
17 views

Scope of Synthetic Biology [closed]

Synthetic Biology has achieved a lot of things up till now. However, I was wondering if it has come to a saturation point. Artificial genome or more specifically minimal genome has been synthesized. ...
3
votes
1answer
48 views

What came first? The DNA or the DNA polymerases?

I know this sounds a lot like chicken and egg question and while the latter has an answer, I am intrigued about the former. A modified form of the question would be, in the course of abiogenesis, ...
0
votes
0answers
11 views

I am 15 and 163 cm tall - will I grow taller? [migrated]

I am a 15 year old Indian. I currently stand at 163 cms but I weigh 75 kg, which is overweight I know. But is there any way I'll grow more? If yes, how much? My dad's height is 172 cm and my mom is ...

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