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 Chris M. Your Own Question

Chris M.
Chris M., M.S.W. Social Work
Category: Homework
Satisfied Customers: 2491
Experience:  Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)
22285537
Type Your Homework Question Here...
Chris M. is online now
A new question is answered every 9 seconds

Biology Will Bonus for helpful answers 11:00 PM EST

Resolved Question:

1. The scientific method includes all of the following EXCEPT: (Points: 5)


        observation.


        hypothesis making.


        testing.


        the application of knowledge gained.


 


 


2. A control group differs from an experimental group: (Points: 5)


        in the number of test organisms used.


        by the independent variable.


        in several ways.


        in no way.


 


 


3. A theory and a hypothesis are different in that: (Points: 5)


        you must have a theory before you can form a hypothesis.


        a theory is developed as a result of broad agreement among scientists and a hypothesis is a much less substantiated idea.


        a theory is much easier to disprove than a hypothesis.


        a theory can never be disproved while a hypothesis can.


 


 


4. Pseudoscience and nonscience differ in that: (Points: 5)


        nonscience is not valuable and pseudoscience is valuable.


        pseudoscience deceives, misleads, or misinforms and this is not a primary characteristic of nonscience.


        nonscience forms hypotheses and pseudoscience does not.


        pseudoscience has led to major changes in intellectual thought and nonscience has not.


 


 


5. Metabolism refers to: (Points: 5)


        chemical reactions such as photosynthesis.


        the process of reproduction.


        the formation of heterotrophs.


        a collection of hypotheses.


 


 


6. Which sequence correctly lists levels of organization from simple to more complex? (Points: 5)


        Biosphere, ecosystem, community, population


        Atoms, cell, molecules, tissue, organism


        Organ system, organ, organisms, cell


        Cell, tissue, organ, organ system


 


 


7. Kinetic energy is best defined as: (Points: 5)


        the energy of position.


        the energy of electrical charge.


        the energy of motion.


        stored energy.


 


 


8. An isotope is an atom of an element that varies in mass number due to variation in the number of: (Points: 5)


        atoms.


        protons.


        neutrons.


        electrons.


 


 


9. A covalent bond is: (Points: 5)


        the attraction that one atom has for another atom.


        the attraction between two atoms, formed by the sharing of electrons.


        formed between the positive charge of a hydrogen atom in one molecule and the negative charge of a nitrogen atom in another nearby molecule.


        the attraction between a positive ion and a negative ion.


 


 


10. Solutions are always comprised of: (Points: 5)


        solvents and solute.


        liquids and solids.


        water and salts.


        compounds and ions.


 


 


11. Which of the following is a chemical reaction that is also known as digestion? (Points: 5)


        Phosphorylation


        Dehydration synthesis


        Acid-base


        Hydrolysis


 


 


12. Which kind of chemical reaction involves the attachment or removal of a phosphate group? (Points: 5)


        Oxidation-reduction


        Acid phosphorylation


        Phosphorylation


        Hydrolysis


 


 


13. A solution with a high concentration of hydrogen ions could have a pH of: (Points: 5)


        2.


        6.


        9.


        11.


 


 


14. The reaction C6H12O6 + O2 „_ CO2 + 6H2O is which type of chemical reaction? (Points: 5)


        Hydrolysis


        Transfer


        Dehydration synthesis


        Oxidation-reduction


 


 


15. Organic molecules always: (Points: 5)


        contain carbon.


        contain carbon, hydrogen, and oxygen respectively in a 1:2:1 ratio.


        are produced by living organisms.


        dissolve in water.


 


 


16. A number of simple sugars may combine to form: (Points: 5)


        protein.


        complex carbohydrates.


        amino acids.


        fat.


 


 


17. Carbohydrates are a source of: (Points: 5)


        protein.


        energy.


        glycerol.


        fatty acids.


 


 


18. Which is NOT a major function of proteins? (Points: 5)


        Provides cell structure


        Stores energy for the cell


        Functions as regulator molecules in cellular activity


        Functions as carrier molecules


 


 


19. Which of the following is NOT a lipid? (Points: 5)


        Olive oil


        Fat


        Amino acid


        Steroid


 


 


20. Molecules that resemble fats but contain phosphate functional groups are called: (Points: 5)


        steroids.


        polypeptides.


        phospholipids.


        nucleic acid.

Submitted: 2 years ago.
Category: Homework
Expert:  Chris M. 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.
Chris M., M.S.W. Social Work
Category: Homework
Satisfied Customers: 2491
Experience: Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)
Chris M. and 8 other Homework Specialists are ready to help you

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:

    4520
    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:

    4520
    More than 5000 online tutoring sessions.
  • 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:

    3121
    Post Graduate Diploma in Management (MBA)
  • http://ww2.justanswer.com/uploads/ComputersGuru/2010-02-13_051118_Photo41.JPG LogicPro's Avatar

    LogicPro

    Engineer

    Satisfied Customers:

    3035
    Expert in Java C++ C C# VB Javascript Design SQL HTML
  • http://ww2.justanswer.com/uploads/lanis/2009-4-1_233717_phput9xef_c1pm.jpg Lani S.'s Avatar

    Lani S.

    Tutor

    Satisfied Customers:

    2457
    Registered Nurse, Internet Researcher, Private Tutor
  • 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:

    2341
    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:

    1975
    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:

    1873
    Bachelors Degree and CPA with Accounting work experience