-1
votes
0answers
25 views

What is an example of an anabolic reaction in a plant [closed]

What is an example of an anabolic reaction in a plant Need to know ASAP thanks
0
votes
0answers
21 views

What is the best way to splice genes into a mouse embryo? [closed]

I need two specific genes spliced into the genome of a mouse embryo. How is the best way to do this? Some sort of plasmid perhaps? Where is the best place to get the genes/plasmids I need and what ...
2
votes
0answers
35 views

What's the (or some of the) minimum(s) amount of atmospheric carbon dioxide needed by plants?

We currently have a problem of increasing CO2 in the atmosphere. But assuming we find a way to carbon sink it, what is the minimum CO2 we need to leave in the atmosphere to provide a source for ...
2
votes
0answers
37 views

Are there anyother method under research for curing rabies? [duplicate]

Why is rabies incurable after onset of symptoms? Although we administer HRIG (lyssa virus antibody) to the patient, why doesn't it work after onset of symptoms? And are there any other successful ...
0
votes
0answers
15 views

Link between macro lncRNA and DNA looping

I was wondering if anybody knows some publication about macro lncRNA (very long unspliced RNAs) or more generally a transcribed RNA that may lead to cis-DNA looping of genomic regions overlapped by ...
2
votes
0answers
16 views

protein with highest affinity to lactose

I was wondering: What is the protein with the highest affinity to lactose ? Are there some databases with values for affinity ? Thanks in advance
0
votes
0answers
27 views

Aspects of host pathogen interaction [closed]

I have very simple(probably silly) question. I am a bit confused, hence asking. Does the epitope mapping fall under host pathogen interaction? What I want to know is what are the aspects of host ...
1
vote
1answer
43 views

What is the difference between gene and CDS annotations?

I have a bunch of sequence files fetched from the EBI ENA and I'm trying to find the end of the 5' UTR for specific genes. The UTR itself doesn't seem to be annotated in most sequence files I have. ...
-2
votes
0answers
36 views

Is it possible to cause cancer in another person? [closed]

Is it possible to poison someone's food on a daily basis in order to give them cancer? The thing here is that i'm worried someone at my workplace might be poisoning other people's water (each ...
0
votes
0answers
29 views

With humans, is being transgender innate, or caused by social factors?

In humans, is being transgender something that is innate, or is it caused (or made more likely) by social factors such as their political beliefs, their religious views or their social environment?
5
votes
1answer
65 views

Why does high pH result in the denaturation of DNA?

In the Southern blot method, for example, a solution of NaOH is used to denature the DNA in the sample. I find this counterintuitive since I expected that $\text{Na}^+$ cations would neutralize the ...
0
votes
0answers
10 views

Grey hair at the roots everywhere all of a sudden [closed]

I see Grey hair at the roots everywhere on my head all of a sudden. It was fine like a a month ago. I had grey hair but not like this. I use color, gel. Any suggestion why this is happening and also ...
0
votes
0answers
22 views

Baby birds hair and mammal hair is a convergent evolution?

Chicks (baby of chickens) and ducklings seem to have fine hairs, at least something look like hairs to me. Most mammals have hairs, but reptiles, fish, or other animal groups do not have hairs as far ...
1
vote
1answer
15 views

Using a Sphygmomanometer [closed]

If you were to use an older sphygmomanometer and a stethoscope to record blood pressure, why would you hear no sound when the cuff was inflated to 160mmHg
3
votes
0answers
49 views

Why do most organisms have negative supercoiled DNA?

It has been observed that in nature most organisms have negative supercoiled DNA and that few organisms have positive supercoiled DNA. Some of the organisms that have the positive supercoiled DNA live ...
0
votes
0answers
32 views

What is the “seal”? [closed]

There's a common phrase in English: break the seal The point at which you first piss after you have been drinking your favorite alcoholic beverage and at this point you will be pissing every ...
0
votes
1answer
33 views

Examples of how the presence or absence 2'-hydroxyl groups influence physicochemical properties of DNA and RNA

I know, for instance, that RNA is much more succetible to alkaline hydrolysis than DNA and this difference is determined by the presence of 2'-hydroxyl group in ribose. I have also heard that "DNA is ...
2
votes
2answers
23 views

Relative microRNA comparison from from TCGA data?

I have a conceptual question that I was hoping someone could answer. Can I say that microRNA A is expressed x-fold greater than microRNA B directly from the TCGA miRseq data? Can I do this after ...
2
votes
0answers
33 views

Parasites with both plant and animal hosts?

Are there animals (or plants) that are parasitic on both animals and plants? Especially such that they rely on their plant host being eaten by their animal host?
1
vote
1answer
31 views

How does ANF increase GFR?

ANF as we know reduce the Na+ uptake and K+ removal in the distal tubules and it also functions as a Vasodialator (?) But again it says that ANF increases the Glomerular filtrate ? But if it is acting ...
2
votes
0answers
20 views

What makes substances allergenic?

Is it possible to tell or rule out (potentially a priori) whether any given substance or compound is likely and how likely to cause allergies with high confidence, without the need to conduct ...
1
vote
1answer
12 views

Why are plasmid genes not already incorporated into bacterial chromosomes if necessary for stressful situations?

If plasmids are important for bacteria to express specific genes under stressful conditions, why are these genes not already incorporated into their chromosome to begin with? What is the evolutionary ...
0
votes
1answer
36 views

Plant photosynthesis [closed]

Formation of PGAL is the part of which phase of Calvin cycle? (1) Carboxylation (2) Regeneration (3) Reduction (4) Both carboxylation and reduction Correct Answer: 3 should't it be 1 ?
-1
votes
1answer
21 views

Plant Kingdom CBSE [closed]

Which one of the following option is not related with vascular plants : (1) Presence of tracheids (2) Gametophyte have vascular tissue (3) Show alternation of generation (4) Development of zygote ...
0
votes
1answer
23 views

How did multicellular life evolve? [duplicate]

I can imagine several specialized unicellular beings collaborating. But how does life get from that point to a unique pluricelular being that reproduces into another pluricelular being?
1
vote
0answers
38 views

What are the white spots?

What are these white spots? It's like Braille writing or something. How is the appearance encoded in the plant? (which I think is a Pine, though I am not sure).
3
votes
0answers
7 views

how can bats achieve good resolution with wide beams?

I have been reading about the echolocation system in bats. papers state that bats tend to produce a sonar beam that has a beam angle (-3db) of about 30-40 degrees. This would be considered a wide beam ...
0
votes
0answers
10 views

Why is carbonylation added as a fixed modification in mass spectrometry peptide analysis?

When using mass spectrometry analysis software we use carbonylation as a fixed modification. What is the significance of this modification and why doesn't it change?
2
votes
2answers
160 views

Can cell exist without Ribosomes? [closed]

Last night I came across a question that goes as follows:- Cells cannot exist without a) cell wall b) cell membrane c) mitochondria d) ribosomes I am getting confused with option B and option D ...
0
votes
1answer
66 views

How to select genes before log2 ratio on a RNASeq gene expression matrix, based on signal median

I want to transform a TCGA mRNA expression matrix (in linear data format) to log2-ratios and then run a feature (gene) selection, selecting the 1000 most variant genes (genes with higher standard ...
2
votes
2answers
241 views

Why people fear GMOs? Can't we map a plant composition?

My main question is can we map what a fruit is made of? For instance apples are made of 0.0002% of protein X, 0.00001 of protein Y, 0.001% of amino acid Z... etc... If we can, then my next question ...
0
votes
0answers
13 views

Does the use of a Thiazide diuretic affect the ability of a hair follicle to absorb substances?

Thiazide diuretics are on the World Anti Doping Agency's, as well as the International Olympic Committee, list of banned substances due to it ability to mask illegal substances in urine. The rapid ...
1
vote
0answers
6 views

How to differentiate between similar looking carps efficiently?

Carps look almost the same (e.g - Rohu, Catla). So, is there a specific distinguishing set of characteristics to help determine their species just by looking at them from afar (or maybe in some other ...
1
vote
1answer
18 views

What do we use as baseline to determine what genetic segments are “mutations” (and what are not)

In order to determine whether a particular segment of genetic code is a mutation, there must first be a baseline code on which that code looks somehow different. How has the baseline code been ...
2
votes
0answers
17 views

Immediate stroke/seizure Therapy

Can an oncoming stroke/seizure, be stopped by a setup consisting of a brain-computer-interface (BCI) that immediately detects the variation in wave-form, and then another machine that neutralizes the ...
-2
votes
0answers
20 views

How robust are immortalized cell lines? [closed]

I was listening to this story by Radiolab where they mention that HeLa cells contaminate other cell cultures and can float on specks of dust. Wikipedia says that HeLa cells are robust. My question is ...
2
votes
1answer
38 views

Is it possible to process electrical signals from the brain and interpret the results as exact thoughts?

If the brain uses extremely low voltage signals to communicate (from what I understand around 100 mV), what sort of breakthroughs would be necessary to intercept these signals and interpret them as ...
0
votes
0answers
9 views

HMMSearch full output

is there a way to get a full sequence output for hmmsearch? I am running one sequence against my HMM and the result table only shows chunks. I would like to have a result for each AA in my sequence ...
3
votes
2answers
63 views

What does confluency mean?

Since as long as I have been doing cell culture, the word confluency is used to describe the % growth of cells or area covered by them. However, no dictionary that I have found uses this word. I was ...
2
votes
1answer
34 views

How does the ideal free distribution work?

I have recently completed a study on Brent Goose. I found that Brent Geese occupy high quality habitat first then once this is full of geese, they fill up low quality habitat. However, there were ...
2
votes
2answers
32 views

Are there any DNA sequences shared by all/most Viruses?

Is there any one DNA sequence shared by all or most viruses? I highly doubt there is mainly because of how different all of them are, but it's still worth a try. Thanks
0
votes
2answers
38 views

What percentage of human body's cells are contained in blood?

What percentage of human body's cells are contained in blood vs. the rest of the body?
1
vote
2answers
28 views

Can ingesting substances that are produced by the body cause a permanent withering of the organs that produce the substance?

This question is about substances such as insulin and some vitamins that the human body is able to produce on its own. Some substances that are produced by the body are also present in various body ...
0
votes
0answers
12 views

EMBOSS matcher and supermatcher - incongruent results?

I am trying to align a sequence to the mouse genome. I know a priori that part of my sequence should align to chromosome 9, but not all of it. I gathered that EMBOSS' ...
0
votes
1answer
71 views

Why have whales and dolphins not evolved to have gills?

It seems at first glance that it would be an evolutionary disadvantage for a sea creature to have to come up to the surface on a regular basis in order to breathe, so why are there animals (e.g. ...
1
vote
0answers
20 views

Why HIS tag is not detected in WB or dot blot?

I would like to know why the recombinant protein with his tag at c terminus is not being detected neither in western blot or dot blot. I'm trying to validate protein expression of four proteins. ...
2
votes
2answers
50 views

What are the major causes of mutations in DNA?

I know that point mutations can change the base sequence of a gene by altering a specific codon that codes for a particular amino acid. Are these mutations purely random events that occur when DNA is ...
2
votes
1answer
65 views

How come all my family have brown eyes and I have blue eyes?

My whole family tree up to my grandparents have brown eyes, I have blue eyes, how come? I don't know if it matters but I have not received enough oxygen at birth, doctors said it's probably the ...
3
votes
3answers
70 views

How is it possible for the absolute fitness to be more than 1?

The wikipedia definition of Absolute fitness is "the ratio between the number of individuals with that genotype after selection to those before selection. It is calculated for a single generation and ...
0
votes
1answer
59 views

Do men and women have parts of the brain that show different level of activities? [closed]

I think that men and women are different mentally (but nonetheless equals), however this way of thinking is very hard for me to explain philosophically, so I'd like to learn about what roots this ...

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