Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

A 5.0 mL aliquot of a stock tryptophan solution was diluted by adding 95 mL of water. The absorbance of that diluted solution was measured at 280 nm as 0.055 absorbance units. What is the concentration of the stock (original) solution? Hint: Make sure to find out the dilution factor. (Molar extinction coefficient = 5579 cm-1 M-1.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M924593

Have any Question? 


Related Questions in Biology

What involves the fusion of the two nuclei in the

What involves the fusion of the two nuclei in the dikaryotic cell to form a single diploid nucleus?

Comp 7 bio 40 project reliability of metagenomics

Comp 7/ Bio 40 Project: Reliability of Metagenomics Reads Background In this class, we are studying 16S rRNA metagenomic sequencing, in which the sequences read come from one of the hypervariable regions of the 16S rRNA ...

To investigate transformer tra gene expression during sex

To investigate transformer (tra) gene expression during sex determination in Drosophila, you perform in situ hybridization (FISH) and immunostaining. Fill in the table with the results you expect to observe following the ...

Part 1suppose you are given a new temperature sensitive

Part 1. Suppose you are given a new temperature sensitive bacterial mutant that grows normally at 37 degrees C but cannot replicate its chromosomes properly at 42 C. To investigate the nature of the underlying defect, yo ...

With which archaic human species did some of the ancestors

With which archaic human species did some of the ancestors of modern Europeans interbreed during the past 100,000 years?

1 describe the four main pressure areas of the northern

1. Describe the four main pressure areas of the Northern Hemisphere and discuss their effects on major wind patterns. 2. Describe and explain the formation and effects of the monsoon winds of southern Asia

Gene technologygene technology carries with it social and

Gene Technology Gene technology carries with it social and ethical implications-many of which engender personal views and discussion. Select one (1) of the following biotechnology topics to write about:  Genetically modi ...

Write 2 differences between monocot and eudicot

Write 2 differences between monocot and eudicot angiosperms.

List and describe different sediments that can be seen in

List and describe different sediments that can be seen in urine and differentiate between normal and abnormal sediments.

Discuss the need for modern society to shift to a paradigm

Discuss the need for modern society to shift to a paradigm of Sufficiency, within which just and sustainable wellbeing for all of creation becomes the norm. How can this be achieved on an Earth That Is Full? Include cons ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen