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Juliette [100K]
3 years ago
9

Why must powder be used after cyanoacrylate?

Biology
1 answer:
valentinak56 [21]3 years ago
6 0

Answer:

Explanation:

Cyanoacrylate or super glue fuming is used to develop latent fingerprints and make them visible.Fingerprint powders, however, adhere to the sweat and therefore the powders have a difficult time adhering to only the amino acids, proteins and fatty acids.

Hope this helped!!!

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(I really need this to boost my grade)<br><br> Label the permeable and impermeable rock layers
Papessa [141]

Answer: HI your question is incomplete but i will provide a general answer that can help you

answer : Permeable Rock layers allow the flow of fluid like substances through them, While Impermeable rock layers do not allow the flow of fluid like substance through them.

Explanation:

Permeable rocks are rocks containing pores through Fluid like substances can penetrate through in the rocks. examples of Permeable rocks are ; Sandstones and Chalk

While an Impermeable rock is a rock that does not allow the flow of fluid like substance through it due to the absence of pores in its rock layers . examples of such rock are ; Clay and marble  

Although some permeable rocks might exhibit low level of permeability as well but generally Rock sample with pores are classified as permeable rock layers.

6 0
2 years ago
Acylhomoserine lactones used in quorum sensing regulate their own synthesis by a(n) _________ system. Multiple Choice riboswitch
zmey [24]

Acylhomoserine lactones used in quorum sensing regulate their own synthesis by an autoinduction system.

  • Numerous bacteria use acyl homoserine lactones (acyl-HSLs), significant intercellular signaling molecules, to track the density of their population for quorum-sensing control of gene expression. The LuxI family of proteins produces the signals in question.
  • A lot of proteobacteria use quorum-sensing signals from acyl-homoserine lactones.
  • Cells create a baseline amount of signal at low population densities, and when enough signal has accumulated in the environment, it binds to its receptor and activates quorum-sensing-dependent genes.

learn more about Acylhomoserine here: brainly.com/question/14452252

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7 0
2 years ago
Which of the following is (are) part of a systemic immune response?
viktelen [127]

Answer:

The answer is I ,II and III

5 0
3 years ago
The protein pictured is bovine insulin. Determine the residue number and the size of the fragments that would be generated upon
Tomtit [17]

Answer:

The residue number and size of the fragments that would be generated upon treatment with proteases should be as follows:

Explanation:

<h3>1. <u>Without DTT</u>:</h3>
  • Trypsin 1, 7 and 43 amino acids.
  • Chymotrypsin 1, 1, 1, 4, 5, 10, 29.
  • BrCN 51
<h3>2. <u>With DTT</u>:</h3>
  • Trypsin 1,7, 21 and 22 amino acids
  • Chymotrypsin 1,1, 1, 2, 4, 5, 8, 14, 15.
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4 0
3 years ago
The wing of a bird and the leg of a horse are very different looking structures. Although they look different, bird wings and ho
Vesna [10]

Answer: Homologous structures

Explanation: They are structures which have similarities in various organisms but carry out opposite functions. This is the opposite of analogous structures

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3 years ago
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