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November 28, 2014

Search: A Cell Crossword Puzzle (science)

Number of results: 27,999

chem
Potassium chloride crystallizes with the rock salt structure. When bathed in X-rays, the layers of atoms corresponding to the surfaces of the unit cell produce a diffracted beam of X-rays (¥ë=154 pm) at an angle of 6.97¨¬. From this, the density can be calculated and is ____ g...
February 19, 2010 by meherpreet

12th grade
Does the size of a 1,5V cell(battery) affect the internal resistance of a circuit containing: 3 different size batteries,multimeter,connecting wire,a light bulb resistor.How do i set up this experiment.I'm really lost, please help. Thank you in advance
May 22, 2010 by Luke

physics - electricity
Does the size of a 1,5V cell(battery) affect the internal resistance of a circuit containing: 3 different size batteries,multimeter,connecting wire,a light bulb resistor.How do i set up this experiment.I'm really lost, please help. Thank you in advance
May 23, 2010 by Luke

psychology
An experimenter is studying how time spent on a cell phone affects people's ability to drive safely. Driving the car is the: dependent variable. coefficient of correlation. independent variable. operational condition. Im between C and D. Leaning toward C.
October 31, 2010 by john

Biology
You find an unusual organism growing on the bark of a dying tree. Under a microscope, you observe that its cells are eukaryotic, have cell walls, and do not contain chloroplasts. Into what kingdom would you classify this organism? Explain your decision.
March 8, 2011 by Tara

Psychology
An experimenter is studying how time spent on a cell phone affects people's ability to drive safely. Driving the car is the: dependent variable. coefficient of correlation. independent variable. operational condition. I think the answer is A but i am not sure
March 14, 2011 by Chloe

chemistry
Can the half cell electrochemistry experiment using a pH meter and aqueous solutions of Cu, Cu2+ and Ag and Ag+ be used to measure even lower concentrations, such as 10^-23 mol of Cu2+ or a single free copper ion in solution? Please explain.
May 5, 2011 by Jude

Chemistry
Heart pacemakers are often powered by lithium-silver chromate “button” batteries. The overall cell reaction is: 2Li(s) + Ag2CrO4(s) --------> Li2CrO4(s) + 2Ag(s) Lithium metal is the reactant at one of the electrodes of the battery. Is it the anode or the cathode?
May 7, 2011 by Jay

CHEMISTRY
Chromium plating is done using a dichromate solution. How long would it take to plate 1.0x10-2mm thick onto a car bumper with surface area 0.25m^2 in a 25.0 Amp electrolytic cell? (density of chromium is 7.19g/cm^3)
May 30, 2013 by PreMed33

SP180-Assignment 6_06 and7_07
a. Why banning the use of cell phones while driving should be mandatory nationwide b. What I see as the biggest challenges young adults face today can someone help me write these two assignment? ppls
December 19, 2013 by HK

Easy Chemistry
Which of the following processes uses a galvanic cell? A. Electroplating silver metal onto a teapot B. Purification of metals such as copper from their metal ores C. Electrolysis of sodium chloride D. Operation of a portable music player
October 20, 2014 by Morgan

Biology
I have to do a paper on the parts of a cell, it can be anything, like a t.v. show script, but I don't have any ideas, does anybody have any ideas?
February 23, 2009 by Holly

Math
To determine a GPA: 2(credit( Hr. Art, 3Hr. History, 4 Hr. Science 3 Hr. Math, & 1 Hr. Science lab. The scores were B in Art, A in History, C in Science, B in Math, A in Science Lab. What was the GPA based on 4 point scale? I continue to get 3.2 but that answer is incorrect, ...
March 5, 2007 by Betty

chemistry
What is the correct answer? Question: An electroplating cell operates for 35 min with a current of 1.9 A. Calculate the amount, in moles, of electrons transferred. My work: Ne = It/F = 1.9A(2100 s)/9.647 x 10^4 C/mol = 3990/9.647 x 10^4 C/mol = 4136000
April 20, 2008 by What is the correct answer?

Algebra
A cell divides into two identical copies every 4 minutes. How many cells will exist after 5 hours? I know the answer is 2^75=3.77789x10^22 but I am unsure how 2^75 turns into 3.77789x10^22. Any help would be greatly appreciated.
February 14, 2009 by Mario

math
A cell phone company offers a contract for which the cost C, in dollars, of T minutes of telephoning is given by C=0.25(t-600)+71.95, where it is assumed the t greater than 600 minutes. What times will keep costs between $119.20 and $135.45?
March 21, 2010 by Ryan

physics
A sample of blood is placed in a centrifuge of radius 20.0 cm. The mass of a red blood cell is 3.0 10-16 kg, and the magnitude of the force acting on it as it settles out of the plasma is 4.0 10-11 N. At how many revolutions per second should the centrifuge be operated?
October 18, 2010 by Erica

Biology
Skin color is the result of: A. the quality of melanin in the skin B. the number of macrophages C. the amount of fat in the epidermis D. stratum basale and the thickness of those cell. Cant really find any of those answers. Thanks for helping!
December 3, 2010 by Sarah

ALGEBRA
If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Explain your answer as though you were talking to someone who has never taken algebra.
March 3, 2011 by TANGIE

Algebra
If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Explain your answer as though you were talking to someone who has never taken algebra.
June 15, 2011 by Brenda

algebra
If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Explain your answer as though you were talking to someone who has never taken algebra.
September 26, 2011 by JCEE

biology
1. The function of the circulatory system is to: A. Deliver oxygen and nutrients to every cell B. facilitate communication between different tissues c. Remove Wastes from tissues d. all of these e.none of these I believe the answer is D all of them
April 30, 2013 by Christopher

Biology
What cell structure/organelle would be especially common in i)cells lining the respiratory passages? ii)white blood cells that engulf and detroy invading bacteria iii)enzyme (protein) secreting cells of the pancreas
January 4, 2009 by Dan

Biology
1. Cytosol is what? a. none of these b. all of the organelles c. cytoplasm + nucleoplasm d. cytoplasm e. cytoplasm + organelles 2. What type of cell does not divide by Mitosis? a. bacteria b. prokaryotic c. eukaryotic d. fungi e. algae
December 30, 2008 by Astrid

science
I have a hard time studying especially for science. Is there any where on the web i can find a good review sheet to print out I appreciate the help Ian strauss monroe NY 10950
December 11, 2008 by Ian strauss

Science
What makes flatulence stink? Is it a gas or something? And why is it necessary to flatulate? Thanks -MC PS>>>Are there any science websites for children with fun facts and games? I need one for the library I volunteer for. Thanks again :D
January 3, 2009 by mysterychicken

Child Care
An inappropiate science activity for a toddler would be A.reporting on the weather B.caring for pets of the facility C.planting a flower D.watching a science show on T.V. I PICK THE LETTER D
February 21, 2009 by Brenna

science
answer to 5th grade science question: a man is in a boat and he loses his paddles, he has 10 fish, a beach ball, and 2 sandwiches with him, how does he get back to shore without getting wet?
January 25, 2012 by Emelia

science
Suppose you are presenting a science project that compares the temperatures of several different substances. Would you present your findings using degrees Farenheit, Celcius, or Kelvin? Explain.
September 3, 2012 by Anonymous

science
The molecular structures of two ‘penicillin-like’ compounds, A and B. in the compound A the C-C-N ring is intentionally bold, as is the C-C-C-C-N ring in compound B. By comparing these structures assess which of A and B, might be (i) more active than penicillin against ...
June 29, 2007 by sarah

Science6
why is it important to produce millions of new cells by the time you finish reading this sentence? how does each new cell get its imformation for survival? so your brain can function and move on to another task.Is this a home work question? becaues you would want to go into ...
November 2, 2006 by Diamond

physics
At 300 K we see the electron concentration in the conduction band for pure (undoped) Si is 10^10/cm3. How many electrons per Si atom is this? You can use scientific notation, as in A.AAeB Si is diamond cubic with 8 Si atoms per unit cell and a lattice parameter of 0.543 nm.
December 21, 2013 by Henry III

chemistry
Calculate the potential of the following two half-cells that are connected by a salt bridge: a galvanic cell consisting of a standard hydrogen electrode on the left and a platinum electrode immersed in a solution that is 3.50 3 1023 M in TiO21, 0.07000 M in Ti31, and buffered ...
November 2, 2014 by Sarah daniels

math
a cell phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C=0.25(t-600)+$62.95, where it is assured that t is greater than or equal to 600 minutes. what times will keep costs between $104.45 and $141.95?
June 28, 2009 by scooby9132002

biology
Can someone please explain to be the concept of - Rate of exchange is proportional to a cells surface area and ... the amount of exchange material is proportional to a cell's volume. (the topic we are learning is called "Animal form and function")
February 14, 2012 by martha

physics
The voltage across a membrane forming a cell wall is 80.0 mV and the membrane is 8.80 nm thick. What is the electric field strength? (The value is surprisingly large, but correct. Membranes are discussed in Section 19.7* of the textbook.) You may assume a uniform E-field.
February 10, 2013 by taryn

physics
The voltage across a membrane forming a cell wall is 80.0 mV and the membrane is 8.80 nm thick. What is the electric field strength? (The value is surprisingly large, but correct. Membranes are discussed in Section 19.7* of the textbook.) You may assume a uniform E-field.
February 10, 2013 by taryn

physics
The voltage across a membrane forming a cell wall is 80.0 mV and the membrane is 8.80 nm thick. What is the electric field strength? (The value is surprisingly large, but correct. Membranes are discussed in Section 19.7* of the textbook.) You may assume a uniform E-field.
February 10, 2013 by taryn

computer science
ineed help with c++. i am using code blocks and i have a problem with the compiler. when I run this code ¡é # include <iostream> using namespace std; int main() { cout<<"Hello World!"<<endl return(0); } this message keep pops up. ¡é "It seems that this file ...
March 7, 2010 by lj

Science/Careers
I wanted to know how universities look at summer school courses. My guidance counseller told me that it dosen't matter whether the course you take is in (normal)school or summer school but others are saying that some universities dont accept it. Im taking a core grade 12 ...
July 5, 2009 by Lena

Physics -- Repost
Homework Help Forum: Physics Posted by Sandra on Sunday, February 28, 2010 at 10:20am. Thank you for answering my previous questions! I have another one now in regards to the following question... An unknown potential difference exists between the inner and outer surfaces of ...
February 28, 2010 by Sandra

science
My science homework questions is: You measure the boiling temperature of 3 clear liquids. 1 of them boils at 100C. The other 2 at 85C and 115C. How can you use numbers to identify the first liquid? Can someone help?
September 30, 2008 by Ashleigh

English
Which of the following publications are both listed under the "Magazines" results? A. Astronomy and Science B. Odyssey and Natural History C. Science News and Earth Island D. The Economist and American Scientist
November 29, 2011 by Leo

Science 8R - HW Help!
Science 8R HW - Using the steps of the Scientific Method solve a problem that you may have (for example, 1. How can I get my little brother to stop eating my homework) I can't think of one.... please help! any ideas or suggestions???
September 19, 2012 by Lauren

Chemistry
The reaction below shows the corrosion process of iron. Calculate E°cell for the corrosion process and state whether you would predict that this is a spontaneous or nonspontaneous process. 2 Fe (s) + O2 (g) + 4 H+ (aq) → 2 Fe2+ (aq) + 2 H2O (l)
August 8, 2010 by Allie

English
I'd like you to check these sentences grammatically. I also would like you to see if the terminology I used is correct. Help me improve my paragraph, please. 1)DNA contains instructions which decide which proteins a cell will make and consequently determines the whole ...
May 23, 2011 by Henry1

chemistry
GUYS I HAVE A PROJECT DUEE.. AND I HAVE NO IDEAA WHAT TO DOO.. PLEASE HELP MEEE. THIS CHAPTER IS ABOUT ELECTROCHEMISTRY! QUESTION--> I HAVE BEEN LUCKY ENOUGH TO OBTAIN A SHRINKY DINK 2000(FOR THOSE OF YOU IN THE KNOW, OR THOSE OF YOU WHO ARE AROUND ELEMENTARY AGE BOYS, YOU ...
November 22, 2008 by Komal

Biology
I need to do a project on any one cell organelle and i have started on lysosomes. Its a powerpoint presentation and i need to present it tomorrow. In the procedure packet it says that we need to mention this-"a works cited slide" what does it mean??? what do i need to do? ...
October 16, 2008 by Jessica

Chemistry
Silver crystallizes in a face centered cubic unit cell with an edge length of 0.40836 nm. Calculate the density of silver in grams per cubic centimeter i know the answer is 10.5 g/cm^3 but i keep getting lost in figure it out.
May 14, 2011 by ChemLover

Science Repost for Tina
english/science - Tina, Monday, October 8, 2007 at 9:30pm Who discovered the digestive system?
October 8, 2007 by Ms. Sue

physical science
not exactly physical science, but I'm confused about how you tell the charge of elements in the B groups on the periodic table
June 15, 2008 by jowy

5th grade science
science-well im learning about the diffence between a vascular and nonvascular plant and i don't get it so if you can help.thanks 5th grader
October 11, 2008 by fithgrader

science
please help me i am looking for word problems involving potential and kinetic energy i need for my homework in science PLEASE HELP!
December 9, 2009 by iya

science
ive been trying to find a report for 5th grade greenhouse effect science. how can i type it to find it?
December 9, 2010 by molly

science
______________ can prevent some bacterial cells? 7th grade science please help meeeee ms sue help me please thanks
April 15, 2013 by lola

Pyhsical Science
What is a system of knowledge and the methods used to find that knowledge? A. science B. technology C. measurement D. curiosity I think it's D.
August 27, 2013 by Brandon

physical science
Two 3.4 kg physical science textbooks on a bookshelf are 0.25 m apart. What is the magnitude of the gravitational attraction between the books?
September 19, 2014 by mary

Bio 157
I need to describe prokaryotic and eukaryotic chromosomes. I think I got prokaryotic the circular DNA molecule of prokaryotic organisms, containing the majority of the genes for the cell. I can't seem to define eukaryotic can u help?
October 16, 2008 by jennifer

biology
When do strands of DNA form chromoshomes? What is a replicated chromosome? How does this differ from a chromosome pair? Is a cell containing replicated chromosomes haploid, diploid, or neither? Why? and Why is anaphase unique in terms of chromosome number?
November 28, 2009 by Anonymous

Math
If a plane has intercepts at 2a, 3a, and 4a along the three Cartesian coordinates where a is the lattice constant of the cubic cell, (i) find the Miller indices of the plane and (ii) find the distance between the neighboring planes parallel to this plane
September 14, 2014 by Chandu

biology
List 2 ways in which prokaryotic and eukaryotic cells are alike and 2 ways in which they are different. Is this correct? Alike= cell membrane and DNA Different=ribosomes and mitochondria
October 19, 2011 by Ty

biology
List 2 ways in which prokaryotic and eukaryotic cells are alike and 2 ways in which they are different. Is this correct? Alike= cell membrane and DNA Different=ribosomes and mitochondria
October 19, 2011 by Ty

chemistry
If one electrode in a galvanic cell is made of zinc (Zn) and one is made of silver (Ag), which metal would be the cathode and which would be the anode? Explain your answer.
March 7, 2012 by princess

chemistry/ electrochemistry
1. What is the value of the equilibrium constant for the reaction occurring in the cell shown below at 298 K? Ag(s) | Ag+(aq, 1 M) || Cu2+(aq, 1 M) | Cu(s) Report your answer to four significant figures in scientific notation (1.234E-3 or 1.234E3). Can anyone explain the steps...
April 29, 2011 by Krys

English
I am working on a debate on embryonic stem cell research. I've been assigned the side that is against it. I need some good, solid arguments that aren't just focusing on the ethics of it, but are about the practicality, the money, the success rate, etc. Do you know of any good ...
April 9, 2009 by Katalina

10th grade biology
you find an unusual organism growing on the bark of a dying tree . Under a microscope , you observe the cells are eukaryotic , have cell walls , and do not contain chloroplasts . Into what kingdom . Would you place this organism ? Explain your decisions ?
June 3, 2009 by shayla

chemistry
When combined with cupric ions (aq, 1M) which will produce the largest standard cell voltage? (Use data from table 20.1, and Appendix D page A28-A29 in Petrucci) 1. ) Mn(s) 2. ) MnCl2(aq) 3. ) KMnO4(aq) 4. ) MnO2(s) the answer i got was MnCl2,,,,but im not sure if its right...
December 1, 2009 by mandeep

CRIMINALJUSTICE
You are a FBI agent in a counterterrorism unit. You apprehend a known terrorist that knows the whereabouts of a nuclear device that his cell has planted in the country. He refuses to tell you any information. Would it ever be justifiable to use methods of torture to get the ...
May 23, 2011 by IOWALYNN

Engineering
At 300 K we see the electron concentration in the conduction band for pure (undoped) Si is 1010/cm3. How many electrons per Si atom is this? You can use scientific notation, as in A.AAeB Si is diamond cubic with 8 Si atoms per unit cell and a lattice parameter of 0.543 nm.
November 1, 2013 by Solar Solar Cells, Fuel Cells and Batteries

Middle School Science
I can't find the definitions for the following science terms anywhere: known sample positive test negative test can anyone help?
November 12, 2007 by Adam

SCIENCE
Hello! I have a question!!! And its a good one!!!!!!! 1. What should I do a science experiment on?? Please help me out...... I ran out of ideas...:-(
February 5, 2009 by Terrae121

Science
Approximately what percentage of the estimated age of Earth does the Cenozoic Era represent and how do you know? look at pg. 9 in Earth Science Reference Tables? a. 1.4% b. 5.0% c. 11.9% d. 65.0%
June 15, 2009 by Angie

science
how might scientist from the 3 main branches of science interact with their study of the flood, its effect, and how future flooding might be controlled.
September 11, 2010 by rgqwg

Science of Biology
Name three ways that the science of biology has/does, or might impact you as an individual. SOMEONE PLEASE HELP ANSWER THIS QUESTION!!! THANKS :)
October 3, 2010 by Malachi

science project
I need help writing my abstract for my science project and it's the only thing I have left to do. It's very fustrating, so is there anyone who can help me plz?!!!!!!!
December 8, 2010 by yvonne

Science
I need help in Science Project. The topic is called "How does the size affect the force of magnetism". I didn't see any procedure in how to do this particular topic can you help me?
April 8, 2012 by Richard

Science
Help / Research with my science fair project ? what type of music best stimulates plant growth,classical or pop music ?
May 1, 2012 by Remy W,

SCIENCE Biology (urgent)
1.Do organisms benefit from being classified as a different species?How? 2.Importance of classifying organisms.. I;m not good in science...
February 19, 2013 by daphnie

science!
Does weight + height affect force? Please explain!! I am doing this to explain for mg science essay! I will furthermore add on to the current info.
April 23, 2014 by aly benson

Science repost for Tomari
science - Tomari, Sunday, October 14, 2007 at 3:26pm what element is atomic number 11 ?
October 14, 2007 by Ms. Sue

Science
I can't find 2 examples of suspensions from household items and 2 solutions from household item for Science class tomorrow!
November 1, 2007 by Ashley

science
tenets or principles of constructive teaching explain and give examples as to how these tenets support science literacy
September 16, 2009 by Anonymous

CSC 111 Intruduction to Computer Science
What does it imply to pursue a computer science major in the 21st century?
July 8, 2010 by keith

science
________ is the study of the earth. Just need to know if my answer or right or wrong. Thanks! :) Geology (Earth Science)
August 19, 2010 by ant

Instrumental
A complex was formed between Ni (II) and 1-cyclopentene-1-dithiocarboxylic acid (CDA). The measurements were made at 530 nm in 1.00-cm cell. Find the formula of the complex. C(CDA)=1.00x10^-3 C(Ni)-1.00x10^-3
March 10, 2011 by Anonymous

biology
Regulation of an enzyme's activity occurs a) before the enzyme is produced b) during the production of the enzyme. c) when the enzyme already exists in the cell. d) at any point on the enzymatic production pathway. Thank you
February 20, 2012 by chris

Biology
What does the notation 4n = 28 tell you about how many types of chromosomes there are and how many of each type of chromosome are present in a cell? I am a little confused on how this is determined. Would it be 4 sets of chromosomes with 7 of each type of chromosome?
August 24, 2013 by Zach

electricity and electronics
a battery consists of 5 dry cells connected in series.if the voltage developed by each cell is 1.5 the total voltage developed by the battery is
November 1, 2008 by meeko

Chemistry
Calculate ΔG at 298 K for the electrochemical cell consisting of Au metal in a 0.00500 M Au(NO3)3 solution and Cu metal in a 0.950 M Cu(NO3)2 solution.
August 8, 2010 by Allie

biology
why does The sodium-potassium pump move potassium ions into and sodium ions out of a cell down a protein canal?
June 6, 2012 by sara

basic excel
Write one Microsoft excel formula that works for conditions below on cell C1 for any number: a) IF A1+B1<=4, return $20 b) IF A1+B1>4 but <=9, return $35 c) IF A1+b1>9 but <=14, return $50 d) And IF A1+B1>15, return $75
March 3, 2014 by jay

MATHS
The entrance fees to the Science centre is as follows: Adult :$ 10 Child :$7 A group package of 1 adult and 2 children can be bought at a discounted price of $21. One day, 234 adults and 456 children visited the Science Centre. What is the minimum amount of entrance fees that ...
April 18, 2012 by RS

Science repost for Eva
Posted by eva on Tuesday, October 2, 2007 at 2:56pm in response to Science. i need i help i dont know what characteristic of animals are can u help me
October 2, 2007 by Ms. Sue

Science
Science project: how does the type of liquid affect weathering. Where do I find info on this subject? I am not sure what questions to ask/answer to start this project
January 13, 2008 by Lee

science
Hi! I need some help with science stuff. I cant figure out what the frequency is for radio waves, UV rays, Gamma and X-ray waves. Please help me. Thank you! :)
April 22, 2009 by Hi..

science
Hi! I need some help with science stuff. I cant figure out what the frequency is for radio waves, UV rays, Gamma and X-ray waves. Please help me. Thank you! :)
April 22, 2009 by Hi.. Please help

Science-PsyDAG
PsyDAG, could you please check my post on that science experiment thing, if you have time. I posted it yesterday on here, but you were never on. Thanks:-)
March 25, 2010 by Sara

science
What would be my control in my science fair experiment if the problem statement is "Which brand of bread molds the fastest, "Bimbo" or the "Walmart Brand?"
November 6, 2010 by Sergio Pineda

English
Had to write a haiku related to science, is this ok? Chemicals make boom Chemicals should not be ate It makes good science Thank you!
November 2, 2011 by Beau

Science
For my science project, it says to write a "Future Research" section to go on the board. Could you just explain to me what exactly goes in that section? I'm so confused!
December 3, 2011 by Anna

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