Homework

Homework Questions? Ask a Tutor for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Smallest Unit Of Matter That Has All The Properties Of An Element

Customer Question
Please help I only have...
Please help I only have one hour:
1. Which of the following is the smallest unit of matter that has all the properties of an element? (Points: 4)
molecule
element
atom
compound
electron
2. Isotopes of an element differ in their _____. (Points: 4)
proton number
electron number
neutron number
types of bonds
atomic number
3. An atom that has an electrical charge is called a(n) (Points: 4)
ion
molecule
isotope
element
proton
4. A covalent bond occurs when ________. (Points: 4)
protons are transferred from one atom to another
neutrons are shared between two atoms to form an isotope
electrons are shared between two atoms to complete their octets
the hydrogen of one water molecule is attracted to the oxygen of another water molecule
electrons are transferred from one atom to another
5. A water molecule is polar because of _____. (Points: 4)
transfer of electrons
unequal sharing of electrons
its ability to freeze
its hydrogen bonds
its change in density when frozen
6. Which of the following is NOT a property of water? (Points: 4)
It is a good solvent.
It is denser when frozen than when liquid.
It is cohesive.
It resists temperature changes.
It can be found as a solid, liquid, or gas.
7. Bases can ________. (Points: 4)
release only hydrogen ions
take up only hydrogen ions
release only hydroxide ions
both take up and hydrogen ions and release hydroxide ions
release hydrogen and release hydroxide
8. Which of the following explains the events occurring when water boils? (Points: 4)
Hydrogen bonds are broken between neighbor water molecules.
Covalent bonds are broken between oxygen and hydrogen atoms.
Ionic bonds are broken when the minerals in water are heated.
The bond between one water molecule and another is strengthened.
The hydrogen atoms break away from the oxygen and escape as vapor.
9. Deoxyribose is a sugar found in ________. (Points: 4)
glucose
enzymes
DNA
glycogen
protein
10. Which of the following correctly lists the part of a nucleotide of RNA? (Points: 4)
nitrogen-containing base, deoxyribose, phosphate
sulfur-containing base, ribose, phosphate
nitrogen-containing base, ribose, phosphate
nitrogen-containing base, ribose, sulfur
amino acid-glycerol, nitrogen-containing base
11. A gene in DNA is the code for _______. (Points: 4)
a sequence of amino acids
a sequence of glucose molecules
a sequence of fatty acids used in a fat
a sequence of sugars
a sequence of functional groups
12. The principle role for sugars in living things is (Points: 4)
to form cell membranes
to serve as a form of energy storage
to create out genetic code
for creating energy
to produce hormones
13. Glycogen is a _____ made of many ______. (Points: 4)
simple sugar; amino acids
peptide; amino acids
polymer; glucose molecules
protein; fatty acids
nucleic acid; nucleotides
14. Plants store their sugar in the form of _______. (Points: 4)
protein
glycogen
cellulose
starch
glucose
15. Which of the following is a function of proteins? (Points: 4)
energy storage
enzymatic activity
genetic coding
energy source
insulation
16. If a material mixes readily with water it is identified as _______. (Points: 4)
dehydrated
hydrophobic
saturated
hydrophilic
salty
17. What category of biological molecules are steroids included in? (Points: 4)
proteins
lipds
carbohydrates
nucleic acids
18. The process of __________transforms solar energy into chemical energy. (Points: 4)
metabolism
homeostasis
respiration
photosynthesis
reproduction
19. All of the following are true with respect to DNA EXCEPT __________ (Points: 4)
genes are made up of DNA.
for sex cells (sperm and egg), the DNA found in every cell in your body is identical.
offspring from sexual reproduction obtain their DNA from both parents.
asexual reproduction results in offspring with DNA that is different from the parent.
DNA codes for proteins.
20. Prokaryotes belong to _________. (Points: 4)
Domain Eukarya
Kingdom Plantae
Kingdom Protista
Domain Archaea
Kingdom Animalia
21. Which of the
Submitted: 6 years ago.Category: Homework
Show More
Show Less
Ask Your Own Homework Question
Answered in 13 minutes by:
8/1/2011
Tutor: Bizhelp, CPA replied 6 years ago
Bizhelp
Bizhelp, CPA
Category: Homework
Satisfied Customers: 5,884
Experience: Bachelors Degree and CPA with Accounting work experience
Verified
Hello,

It looks like some of your questions got cut off. Are there only 20 questions? If not, please post the other questions.
Ask Your Own Homework Question
Customer reply replied 6 years ago
Sorry about that. Here is 21-25. I have about 30 min left on the test. Thanks so much for your help.
21. Which of the following correctly lists the classification categories from least to most inclusive? (Points: 4)
kingdom, phylum, domain, class, order, family, genus, species
domain, kingdom, class, order, family, phylum, genus, species
genus, species, family, class, order, domain, phylum, kingdom
species, genus, family, order, class, phylum, kingdom, domain
phylum, species, genus, kingdom, domain, order, class, family
22. Which of the following is NOT true about ecosystems? (Points: 4)
Energy is constantly recycled.
Nutrients are constantly recycled.
Producers are a food source for both consumers and decomposers.
Solar energy is required for photosynthesis.
Chemicals are constantly recycled.
23. Scientists were studying temperature selection among pregnant big brown bats. What would the treatment group be in this experiment? (Points: 4)
Pregnant bats
female bats that were not pregnant.
male bats
juvenile male bats
Juvenile female bats
24. The process of ________leads to organisms that are _________that environment. (Points: 4)
natural selection: adapted to
adaptation: evolved for
homeostasis: suited to
natural selection: perfect for
adaptation:only found in
25. In science, a theory (Points: 4)
is tested by an experiment
is more narrow in scope than a hyposthesis
encompasses many hypotheses.
cannot be tested
is held to be an absolutely correct answer to a question.
Tutor: Bizhelp, CPA replied 6 years ago

Here are some:

1. atom

2. neutron number

3. ion

4. electrons are shared between two atoms to complete their octets

5. unequal sharing of electrons

6. It is denser when frozen than when liquid.

7. both take up and hydrogen ions and release hydroxide ions

8. Hydrogen bonds are broken between neighbor water molecules.

9. DNA

Thanks.

Ask Your Own Homework Question
Tutor: Bizhelp, CPA replied 6 years ago
This answer is protected
Would you like to ask this question?
If you've already paid for this answer, simply Login.
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a tutorLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Bizhelp Your Own Question
Bizhelp
Bizhelp
Bizhelp, CPA
Category: Homework
Satisfied Customers: 5,884
5,884 Satisfied Customers
Experience: Bachelors Degree and CPA with Accounting work experience

Bizhelp is online now

A new question is answered every 9 seconds

How JustAnswer works:

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

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

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!!!!

AlexLos 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.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, 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.

EstherWoodstock, 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.

RobinElkton, 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.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

LogicPro

LogicPro

Engineer

5,867 satisfied customers

Expert in Java C++ C C# VB Javascript Design SQL HTML

Manal Elkhoshkhany

Manal Elkhoshkhany

Tutor

4,556 satisfied customers

More than 5000 online tutoring sessions.

Linda_us

Linda_us

Finance, Accounts & Homework Tutor

3,138 satisfied customers

Post Graduate Diploma in Management (MBA)

Chris M.

Chris M.

M.S.W. Social Work

2,698 satisfied customers

Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)

F. Naz

F. Naz

Chartered Accountant

2,190 satisfied customers

Experience with chartered accountancy

Bizhelp

Bizhelp

CPA

5,884 satisfied customers

Bachelors Degree and CPA with Accounting work experience

Seanna

Seanna

Tutor

1,781 satisfied customers

3,000+ satisfied customers, all topics, A+ work

< Previous | Next >

Related Homework Questions
What is the answer? Nonparametric statistics requires a
What is the answer ? Nonparametric statistics requires a larger sample size because of ? a. Sensivity B.range of scores C.variance D.power… read more
GLENN GILONGOS
GLENN GILONGOS
Master of Mathematics
416 satisfied customers
I have a requirement to write an Oracle PL/SQL code to
I have a requirement to write an Oracle PL/SQL code to delete about 9 billion records in small batches of 10,000. The procedure should run quasi permanently (loop/sleep) and must backup (log/copy) the… read more
Bruce Wilner
Bruce Wilner
Master of Engineering
29 satisfied customers
I need help creating an excel formula (i'm assuming an IF or
I need help creating an excel formula (i'm assuming an IF or SUM IF) where certain pick list values need to be selected across columns B-N of my sheet in order to return a YES, NO, or TBD answer in co… read more
The-PC-Guy
The-PC-Guy
Bachelor\u0027s Degree
630 satisfied customers
I have a written code for C++ for the lottery. I have I
Hello, I have a written code for C++ for the lottery … read more
LogicPro
LogicPro
Engineer
Bachelor of Technology
5,867 satisfied customers
Random and independent samples of 85 recent prime time
Random and independent samples of 85recent prime time airings from each of two major networks have been considered. The first network aired a mean of 110.7commercials during prime time, with a standar… read more
Sandhya_sharma
Sandhya_sharma
Master\u0027s Degree
560 satisfied customers
This question in only for Teacher Keys! Could you please
This question in only for Sarah TeacherKeysHi, Sarah! Could you please help me find the blank models for the two keys I'm going to indicate ? Photos are attachedThe squared key says 1c arrow. If you h… read more
Sarah
Sarah
Teacher
Master\u0027s Degree
19 satisfied customers
I need help with my Marketing course but I do not see
I need help with my Marketing course but I do not see Marketing in the Category below. It is due by May 12, 2018. Only need to answer 20 questions with the appropriate answer… read more
Carter McBride
Carter McBride
LLM
1,150 satisfied customers
I have three children that complete Kumon like worksheets
I have three children that complete Kumon like worksheets daily. We live too far from a tutoring center and this is our solution. I am basically looking for a tudor to check their daily worksheets, ma… read more
Sandhya_sharma
Sandhya_sharma
Master\u0027s Degree
560 satisfied customers
Need help with American Government. I am taking this class
JA: The Tutor can help you get an A on your homework or ace your next test. Tell me more about what you need help with so we can help you best. Customer: Need help with American Government JA: Is ther… read more
judybailey61
judybailey61
Bachelors degree
196 satisfied customers
I will have Us history exam today at 2pm Los Angeles time 50
Hello I will have Us history exam today at 2pm Los Angeles time 50 multiple questions … read more
Susan Markel
Susan Markel
4th Grade Teacher
Bachelor\u0027s Degree
38 satisfied customers
I need help with a paper. I need help with counter
I need help with a paper JA: The Tutor can help you get an A on your homework or ace your next test. Tell me more about what you need help with so we can help you best. Customer: I need help with coun… read more
GLENN GILONGOS
GLENN GILONGOS
Master of Mathematics
416 satisfied customers
Logic Pro Only Create a Ruby program that duplicates the
Logic Pro Only Create a Ruby program that duplicates the Java example NameSorter.java. It is assumed that your program can be run like this: ruby NameSorter.rb The correct output is included in the Ja… read more
LogicPro
LogicPro
Engineer
Bachelor of Technology
5,867 satisfied customers
Writing a summary of how my experience as an assistant
Writing a summary of how my experience as an assistant principal has prepared me for a principal position … read more
Cher
Cher
JustAnswer Expert & Mentor;Teacher/Tutor
Masters Degree
1,382 satisfied customers
1. Write a program that uses a while statement to produce
1. Write a program that uses a while statement to produce the sum 1+2+3+ ...+n, where a value for n is entered by the user. It assumes that integer variables i, n and sum have been declared. 2. Write … read more
LogicPro
LogicPro
Engineer
Bachelor of Technology
5,867 satisfied customers
Licensed mental health professionals have ethical codes and
Licensed mental health professionals have ethical codes and standards. What are specific laws for Arizona that have to do with these codes and standards? … read more
Sarah
Sarah
Teacher
Master\u0027s Degree
19 satisfied customers
I am in the process on taking the Penn FosterLesson Name:
Hi, I am in the process on taking the Penn FosterLesson Name: Information Literacy Lesson 1 Exam, Exam Number: 350027RR, and I am stuck on a question and was hoping someone would please be able to hel… read more
Sandhya_sharma
Sandhya_sharma
Master\u0027s Degree
560 satisfied customers
Statistics, i have a few statistic questions that need
i have a few statistic questions that need solving … read more
GLENN GILONGOS
GLENN GILONGOS
Master of Mathematics
416 satisfied customers
Subtraction Game, Name the file subtraction_game.py.
Subtraction Game, Name the file subtraction_game.py. ***Modify the below example so it meets the following requirements:**The new program shall present random subtraction questions to the player until… read more
LogicPro
LogicPro
Engineer
Bachelor of Technology
5,867 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x