How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Susan Athena Your Own Question

Susan Athena
Susan Athena, Professional w/Adv. Degree
Category: Homework
Satisfied Customers: 4331
Experience:  10+ yrs teaching & tutoring. AP essay grader. 2 masters degrees. English, IT, business.
12809769
Type Your Homework Question Here...
Susan Athena is online now
A new question is answered every 9 seconds

biology questions

Resolved Question:

biology questions  
Which of the following is NOT true of cell membranes?

















They are composed of four carbohydrate layers.
They contain protein molecules.
They regulate movement of some substances into and out of the cell.
They contain phospholipids.


Submitted: 2 years ago.
Category: Homework
Expert:  Susan Athena replied 2 years ago.
THIS ANSWER IS LOCKED!
You can view this answer by clicking here to Register or Login and paying $3.
If you've already paid for this answer, simply Login.
Susan Athena, Professional w/Adv. Degree
Category: Homework
Satisfied Customers: 4331
Experience: 10+ yrs teaching & tutoring. AP essay grader. 2 masters degrees. English, IT, business.
Susan Athena and 7 other Homework Specialists are ready to help you
Customer: replied 2 years ago.
Susan thank you!! can u answer this 9 question please? I appreciate it

Aerobic cellular respiration requires the use of:
N2.
O2.
H2.
H2O.

describes how a cell makes a protein from the protein coding sequence of a gene.
Transcription
Gene expression
Translation
Gene phrasing

A gene that can be masked by another gene is called:
a pleiotropy.
dominant.
incompletely dominant.
recessive.

Hybrid plants are produced by:
cloning.
asexual reproduction.
vegetative reproduction.
sexual reproduction.

Many kinds of disease-causing bacteria are resistant to the standard antibiotics that we use to control them. This is because:
when bacteria are exposed to antibiotics, they mutate.
there is genetic variety within the species and those that already have genes for resistance are the ones that reproduce.
new species of bacteria have evolved that are resistant to antibiotics.
when the size of the population of a species of bacterium is reduced, genetic variety decreases.

A food chain always begins with:
sympathetic decomposers.
photosynthetic autotrophs.
pathetic instructors.
heterotrophic consumers.
Most microorganisms reproduce:
sexually.
by parthenogenesis.
asexually.
by meiosis
The normal flow of blood would be:
heart ? capillaries ? arteries ? veins ? heart.
heart ? arteries ? capillaries ? veins ? heart.
heart ? veins ? capillaries ? arteries ? heart.
heart ? veins ? arteries ? capillaries ? heart.

If one group is given some medicine that may cure a disease and the other group is given a sugar pill, the group who got the medicine is the:
hypothetical group.
scientific group.
control group.
experimental group.


Expert:  Susan Athena replied 2 years ago.
Hi. I thought it was just the one question. I'll opt out at this point. Perhaps another expert can assist.

Kind regards,
Susan

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
< Last | Next >
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
  • Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around. Esther Woodstock, NY
  • Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Robin Elkton, Maryland
  • He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here. Diane Dallas, TX
 
 
 

Meet The Experts:

 
 
 
  • Manal Elkhoshkhany

    Tutor

    Satisfied Customers:

    4522
    More than 5000 online tutoring sessions.
< Last | Next >
  • http://ww2.justanswer.com/uploads/BU/BusinessTutor/2012-2-2_115741_Kouki2.64x64.jpg Manal Elkhoshkhany's Avatar

    Manal Elkhoshkhany

    Tutor

    Satisfied Customers:

    4522
    More than 5000 online tutoring sessions.
  • http://ww2.justanswer.com/uploads/ComputersGuru/2010-02-13_051118_Photo41.JPG LogicPro's Avatar

    LogicPro

    Engineer

    Satisfied Customers:

    3458
    Expert in Java C++ C C# VB Javascript Design SQL HTML
  • http://ww2.justanswer.com/uploads/LI/lindaus/2012-6-10_04811_IMG20120609164157.64x64.jpg Linda_us's Avatar

    Linda_us

    Finance, Accounts & Homework Tutor

    Satisfied Customers:

    3124
    Post Graduate Diploma in Management (MBA)
  • http://ww2.justanswer.com/uploads/chooser77/2009-08-18_162025_Chris.jpg Chris M.'s Avatar

    Chris M.

    M.S.W. Social Work

    Satisfied Customers:

    2385
    Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)
  • http://ww2.justanswer.com/uploads/JawaadAhmed/2009-6-27_12137_SIs_SHadi.jpg F. Naz's Avatar

    F. Naz

    Chartered Accountant

    Satisfied Customers:

    1988
    Experience with chartered accountancy
  • http://ww2.justanswer.com/uploads/JK/jkcpa/2011-1-16_182614_jkcpa.64x64.jpg Bizhelp's Avatar

    Bizhelp

    CPA

    Satisfied Customers:

    1876
    Bachelors Degree and CPA with Accounting work experience
  • http://ww2.justanswer.com/uploads/avremote/photoa.jpg Seanna's Avatar

    Seanna

    Tutor

    Satisfied Customers:

    1781
    3,000+ satisfied customers, all topics, A+ work
 
 
 
Chat Now With A Tutor
Susan Athena
Susan Athena
Research analyst, tutor
975 Satisfied Customers
10+ yrs teaching & tutoring. AP essay grader. 2 masters degrees. English, IT, business.