Please can you help identify these estuarine crabs

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How do I interpret the result of clustering most variable stage-specific genes?

Hello, I need help in understanding the attached image. I did gene expression analysis to obtain DEGs in different groups of samples and extracted the upregulated genes in each. Next, I filtered...

23 April 2020 3,122 0 View

Making vaccines using the virus's protein?

What is the process in using only parts of viruses such as proteins which can be recognized by the immune system to make vaccines such as in the case of the spike protein for Mers-CoV? I...

23 February 2020 1,297 5 View

What are the possible sources of error if i carried out Iodine staining on a TLC plate and no mark appeared?

I carried out thin layer chromatography and afterwards had to stain my plate with iodine as an alternative viewing method but the analytes did not take a brown or yellow color. The whole plate was...

20 February 2020 5,416 3 View

Comparing two chromatograms?

QUESTION I WAS ASKED: Compare the chromatograms in Appendix 1 and Appendix 2 and note your observations? MY QUESTION: What exactly am I meant to compare? I know you guys are not seeing the...

30 November 2019 3,711 2 View

What are the possible sources of error if I run a gel and can only see the DNA ladder under the UV light?

Hey guys, I did a restriction digest and ran my sample on an agarose gel. Under the UV light, all I can see are the bands of the ladder. A loading buffer was used.

29 November 2019 1,204 3 View

How can one use OT(Optimality Theory) to study language acquisition among learners of English as a second language?

The relationship between SLA and Optimality theory (specifically inputs generation and constraints ranking).

09 August 2018 5,215 3 View

What are the possible errors for no precipitation of benzocaine after adding sodium carbonate?

1.2g of p-aminobenzoic acid and 12 ml of ethanol were put together and swirled till homogenous. 1ml of concentrated sulfuric acid was added in drops while the mixture was still being stirred. The...

01 January 1970 9,904 0 View

What are the key methods and indicators used in assessing the biodiversity of river ecosystems, and how do these methods account for variations ?

Biodiversity assessment of river ecosystems is crucial for understanding the health and stability of these environments. This question aims to explore the various techniques employed to evaluate...

07 August 2024 4,290 3 View

Does matter flow through ecosystems and energy is recycled and how does the flow of matter and energy compare in the living world?

03 August 2024 607 2 View

Why cycling of matter important to life on Earth & movement of matter through an ecosystem different than movement of energy through an ecosystem?

Why is the cycling of matter important to life on Earth and movement of matter through an ecosystem different than the movement of energy through an ecosystem?

03 August 2024 5,061 3 View

How is matter moved through an ecosystem and movement of energy different from the movement of nutrients through ecosystems?

03 August 2024 4,859 0 View

How the movement of matter is different from the flow of energy and what best describes how matter moves through an ecosystem?

03 August 2024 3,664 2 View

How is energy used differently in chemical and physical changes and difference between the movement of energy and chemicals in ecosystems?

03 August 2024 8,856 3 View

How is the flow of matter through an ecosystem different from the flow of energy matter and nutrients flow through an ecosystem?

03 August 2024 8,655 0 View

How does matter cycling and energy moving through the ecosystem differ from one another and cycling of matter through the ecosystem?

03 August 2024 2,558 1 View

I need help with Identification (misidentification) of European Pisidiidae & Sphaeriidae?

Hi everyone! I published an article summarizing my first experience in determining cryptic species of small bivalves, of course with errors. I will be very grateful and will thank you in future...

02 August 2024 6,582 11 View

Which filtration method to go for run off water from dirty solar panels to be used again?

We are working on a robot that cleans solar panels using fresh water supply and a rotating brush. We are trying to conserve as much water at possible by recycling the dirty water that is collected...

28 July 2024 5,778 2 View