Questions tagged [experiment]

The tag has no usage guidance.

19 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
54k views

Experiment to show that carbon dioxide is needed for photosynthesis

In my school test, the question is as follows: Will the experiment work satisfactorily? What alterations can you make to obtain expected result? What I wrote: Yes, it will work satisfactorily. Lime ...
3
votes
0answers
41 views

How to quantify the Abundance of a particular gene in Bacteria and Archaea?

For 16s rDNA metagenomic analysis, do I need to do the following steps? DNA extraction-> Purification-> PCR amplification-> Clone -> Pick every single colony-> PCR amplify -> Sequence -> ...
3
votes
0answers
258 views

What is this red liquid produced by a fungal colony?

In a jar, where I had some orchid plants, a fungi start growing few days ago. I removed the plants and let the fungi to expand and grow more. After some days, red drops started to appear on the ...
2
votes
0answers
23 views

Can we see the cell cycle of the cells administered using IVIS-like device?

My question; Can we measure the cell cycle of the administered cells from outside the body, while the recipient is still alive ? Preferably, by using a device such as IVIS that can read fluorescent ...
2
votes
0answers
70 views

Veritasium video about mosquitoes

In the recent veritasium video about mosquitoes , the host says that the researchers used identical female twins and fraternal female twins to understand the effect of genes on attractiveness to ...
1
vote
0answers
13 views

Why do nearby cells have similar meiosis periods?

A few days ago, I conducted an experiment to observe the meiosis of rye ears. During the experiment, I observed that cells in similar locations have similar meiosis period. Can anybody tell me why ...
1
vote
0answers
31 views

DNA replication in $ E.coli $

$ E.coli $ has circular DNA which I guess implies one strand forms the outer circle and the other the inner one. So, is there a way to know if the replicated DNA forms the outer or inner circle? In ...
1
vote
0answers
382 views

The effect of sugar on rate of yeast Respiration

In my experiment, I am investigating the effect of different types of sugar on the rate of respiration of immobilized yeast (yeast trapped in calcium alginate balls). I am looking at glucose, fructose,...
1
vote
0answers
666 views

Is the human eye supposed to see the lense effect?

Just as the GoPro cameras, we need lenses to be able to focus. Nevertheless, we can see the "fisheye effect" on the shots taken by GoPros. I am talking about this: Is it possible to notice the "fish ...
1
vote
0answers
412 views

How can I test a germinating pea seed for the presence of maltose?

I need to do a simple experiment to test whether germinating pea seeds produce maltose for the breakdown of starch into simple sugars.
1
vote
0answers
594 views

Wet weight measurements: Setting up cultures for measuring growth rate via wet weight

I have some isolates which I am trying to grow in some toxic leachate in order to measure their growth rate I also want to measure the growth rates of certain combinations of these bacteria. I've ...
1
vote
0answers
22 views

experimental procedure regarding AceCS1 overexpression

I'm new to biology and was just as to curious on how one can experimentally prove/disprove that AceCS1 overexpression in mammalian cells would yield enhanced rates of fatty acid synthesis through ...
1
vote
0answers
28 views

Unsure why Synechococcus moves at angle in cuvette

I'd really appreciate your help. I'm working with Synechococcus. In my experiment, I have Synechococcus in a solution of milli-Q water. I illuminated it with a focused white light through a pinhole ...
0
votes
0answers
10 views

How much mice red blood cells should I dilute before counting?

I am wondering how much red blood cells I should dilute with how much PBS before counting on hemocytometer with trypan blue
0
votes
0answers
25 views

Microarray experiment validation meaning

I have a quick question: what does microarray experiment validation mean ? I was reading a paper in which they say that the data of the experiment show that the 3 genes radB, dp1 and dp2 are co-...
0
votes
0answers
45 views

question regarding indirect ELISA

what are the plausible reasons as to why the HRPO-conjugated donkey anti-human immunoglobulin and the chromogen/substrate were added from the right to the left of the microtiter plate?
0
votes
0answers
35 views

Ideas for microbiology lab. Antimicrobial properties of cutting boards

I am an undergraduate student in Biology and I am trying to design a microbiology lab that will takes 3 weeks to carry out (1-2 day each week). I am going to examine the antimicrobial properties of ...
0
votes
0answers
40 views

This 5X binding buffers where experiment participates in?

I saw 5X bingind buffer maded by; 100mM HEPES, pH 7.6 5mM EDTA 50mM ammonium sulfate 5mM DTT 1% Tween-20 150mM potassium chloride which reaction helps this buffer? I don't consider to this buffer ...
-1
votes
1answer
106 views

In Griffith's experiment, if both S and R strains are added, can the R strain be isolated from the blood of the mice?

In Griffith's experiment on transformation, when both the S strain and the R strain were injected into the blood of the mice, could the R strain be isolated from the blood of the dead mice? I think it'...