Ask Question, Ask an Expert


Ask Biology Expert

The basic structural unit of a biomembrane is the phospholipid bilayer. Acetic acid and ethanol are each composed of two carbons, hydrogen and oxygen, and both enter cells by passive diffusion. At pH 7' one is much more membrane permeable than the other' Which is more permeable and why? Predict how the permeability of each is altered when the pH is reduced to 1.0, a value typical of the stomach.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M944885

Have any Question? 

Related Questions in Biology

Option i the effect of low ph on enzyme activitydesign an

Option I: The Effect of low pH on Enzyme Activity Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. Recall: enzymes are proteins! To complete this project, it may be useful ...

Answer in one word or sentence1 which plant group is known

Answer in one word or sentence: 1. Which plant group is known as amphibian in the Plant Kingdom? 2. Name the two types of bryophytes. 3. On what basis algae are further classified? 4. Give one word for the following: i. ...

Researchers are working to develop biofuels to free us from

Researchers are working to develop biofuels to free us from dependence on fossil fuels. Based on what you know about cellulose, what do you predict are the major advantage and disadvantage of using cellulose-rich plant m ...

Orphan drugs for rare diseases1go Orphan Drugs for Rare Diseases 1. Go

Orphan Drugs for Rare Diseases 1. Go to: a. In the start date, type 01/01/2010. b. In the "Search Results", pull down "Only Approved Products". c. In the "So ...

Human biology1describe the chemical digestion that occurs

HUMAN BIOLOGY 1. Describe the chemical digestion that occurs in the mouth (one sentence). 2. What is the difference between a) the pharynx and the larynx and b) the esophagus and the trachea? 3. Cancer patients often get ...

Write the null and research hypotheses for the following

Write the null and research hypotheses for the following description of a research study: A group of middle-aged men was asked to complete a questionnaire on their attitudes toward work and family. Each of these men is m ...

Dna and rnacompare and contrast dna and rna discuss why

DNA and RNA Compare and contrast DNA and RNA. Discuss why humans did not evolve with one central repository of DNA, but rather it is replicated throughout the body? Your assignment should be 250-500 words in length.

Experiment 4 exercise 1 mitosis in a plant cellread through

Experiment 4 Exercise 1: Mitosis in a Plant Cell Read through the Experiment 4 Introduction material before starting. In this exercise we will look at the different stages of mitosis in onion cells. The length of the cel ...

Assignmentanatomy amp physiologydirections be sure to save

ASSIGNMENT Anatomy & Physiology Directions: Be sure to save an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure to us ...

Show work and explain answersq1in rats several

Show work and explain answers Q1: In rats, several independently assorting autosomal genes affect coat color. Gene A controls the distribution of yellow pigment in hair, and gene B causes black pigmentation. The two gene ...

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate