What are the directions of the keratin fibrils in hair

Assignment Help Biology
Reference no: EM13117071

Hair splits most easily along its fiber axis, whereas fingernails tend to split across the finger (sideways) rather than along it. What are the directions of the keratin fibrils in hair and in fingernails? Explain your answer in molecular terms.

Reference no: EM13117071

Questions Cloud

Why are beta-sheets more commonly found : Why are beta-sheets more commonly found in the hydrophobic interiors of proteins rather than on their surfaces so as to be in contact with the aqueous solution?
Time traveling, art historian book chapters : You are a world-renowned art historian and author with the ability to time travel to any period of history. For your new book, you travel to three periods of your choice to gain a firsthand account of the culture and arts of that time. Your book is a..
Design a genetic experiment to test the hypothesis proposed : The wombat is an animal with two possible coat colors, brown or silver. It has been hypothesized that coat color is an x-linked trait. Sex determination in wombats is via a mechanism that is identical to sex determination in humans.
What should he charge for good : A price discriminating monopolist produces two products that exhibit the following price elasticities of demand and does anybody can have a dominant strategy? Explain.
What are the directions of the keratin fibrils in hair : Hair splits most easily along its fiber axis, whereas fingernails tend to split across the finger (sideways) rather than along it. What are the directions of the keratin fibrils in hair and in fingernails? Explain your answer in molecular terms.
Compute the acceleration of the system if the mass of block : Block B rests on a smooth inclined plane of 21 degrees and block A hangs vertically. Compute the acceleration of the system if the mass of block A is 1.08 kg and that of block B is 5.9 kg.
Find the probability to make exactly four sales : If he calls on four potential clients, what is the probability that he makes exactly 3 sales? What is the probability that he makes exactly 4 sales?
How many times more hydroxide ions are there in a sloution : How many times more hydroxide ions are there in a sloution with a pH of 9 then in a solution with a pH of 3.
Explain how you would select a sample of respondents : Explain how you would select a sample of respondents to answer the question of starting salary offers. What kind of nonsampling errors would you anticipate occurring with your approach, and how would you control for them?

Reviews

Write a Review

Biology Questions & Answers

  Why precapillary sphincters wrap aroung the root

Why do precapillary sphincters wrap aroung the root of each capillary where it leaves the metarteriole? Why do vessels branch to form capillary beds?

  Discuss common pathways of dna mutation

Discuss common pathways of DNA mutation – chemical – slippage during replication – keto, enol flux,  physical energy.

  Normal regulation of blood glucose via pancreatic hormones

Explain normal regulation of blood glucose through the pancreatic hormones. How is this altered with Diabetes?

  List 3 benefits of microorganisms

List 3 benefits of microorganisms and 3 good things that will happen if we eliminated all microorganisms from the Earth.

  Determine the clinical features of lupus

Upon entering graduate school, you heard rumors about a student, who was totally inspired by a "rusty nail experience".

  How many molecules of nadph are produced

Calculate change in Eo' and change in Go' for the light reactions in higher plants when the four-electron oxidation of H2O (to O2) is used to reduce NADP+ to NADPH.

  Find a newly discovered enzyme

You are seeking a pure preparation of a newly discovered enzyme, Xase, for further study. The assay for Xase has just been worked out, and you have a preparation of cells rich in this enzyme. Given the required equipment and supplies, how would yo..

  Individual phylogenetic methods

As we have discussed in class, individual phylogenetic methods are best suited to particular kinds of troubles. For each of the following data sets, assess the suitability of maximum parsimony to that data set.

  Compute the change in energy of an atom

Compute the change in energy of an atom that emits a photon of wavelength 2.21 meters. (Planck's constant is 6.626 x 10-34 joule seconds; the speed of light is 2.998 x 108 m/s)

  Asthma symptom severity

Assume a secondary outcome is recorded in the trial described in Problem 10 reflecting asthma symptom severity measured on a scale of 0 to one hundred, with higher scores indicating more severe symptoms.

  Weather and climate change

How would the "weather" be affected if the water was at a decreased temperature? What about at an increased temperature?

  Proteins might be lacking in this cell line

Your friend has now joined a lab that studies vesicle budding from the Golgi and has been given a cell line that does not form mature vesicles. He wants to begin designing some experiments but wasn't listening carefully when he was told about the mol..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd