Sunday
December 21, 2014

Search: A Cell Crossword Puzzle (science)

Number of results: 28,224

Bio
Which membrane proteins are involved with the transport of molecules that otherwise would be unable to enter the cell? a) linker proteins b) glycoproteins c) carrier proteins d) peripheral proteins e) receptor proteins
October 16, 2014 by Sarah

science
Two im not sure on, please check? What is the true work of all scientists? Scientists ask testable questions and devise ways to answer those questions through experimentation or observation.*** Scientists research other scientists' discoveries and present their opinions for ...
September 8, 2014 by SkatingDJ

Science
Pangaea can be used to explain the presence of similar fossils on opposite sides of the Atlantic Ocean.What other explanation was proposed? According to Science nelson probe 10
December 31, 2010 by Anjan

science
Fish- Amphibian- Mammal- Magma- Lava- Earthquake- Tectonic Plates- Ring of Fire- Tsunami- Tide- Could you please give me the definitions in science terms?
May 10, 2009 by Anya

8th grade science
Hi! For a research project from my science class I'm having trouble trying to find an answer to the following problem. How does the Man-o-War care for their young? Thanks!
January 5, 2011 by Lina

Mathematics lit, physical science, life science. Geography and englsh ,sepedi and l.o
What career m i qualify for it ?and where? And hw much m i g0ing to earn?? N how long it wil take me to learn??
March 25, 2014 by Johannes

chemistry 185
how are you going to prepare the follwoing phosphate solution which is used in many cell culture medium? 12 liters ;PH 7.4; 0.9%WT (total salts weight is 9.00 grams in one liter) How many grams of what acid? how many grams of the conjugate base?
July 21, 2014 by ashraf

Biology
41. A group calling itself "Virus Alive!" believes that viruses are living organisms. They have petitioned the scientific community to include viruses in the biological classification system. You are a scientist assigned to explain to this group that, although they share many ...
February 20, 2010 by mysterychicken

Child development
Using these steps, consider a cognitive “problem” a young child might encounter that he/she needs help with (such as putting together a puzzle, sequencing – putting items in order, sorting by color or size, adding, subtracting, tying shoes, learning to tell time, etc.) ...
October 14, 2011 by amy

biology
the observations that led to the formation of the cell theory occured whithin a 17-year period.why do you think that more than one scientist made critical observations about cells within this period?
June 30, 2010 by amanda

Biology
Describe some of the physiological changes that happen to the cell membranes of a rainbow trout as it acclimatizes to cold, water at 4 degrees Celsius, after living at 16 degrees Celsius for a long time?
February 4, 2012 by Bla

math statistics and probability
A costumer has to buy a cell phone from an appliance store with 8 different brands. Each brand is available in 5 different colors, and 7 origins. how many choices can the sales lady offer the costumer?
August 26, 2012 by Anonymous

chemistry
Determine the radius of the largest atom that can be accommodated in the interstices of BCC iron (Fe) without stress. (Hint: the center of the largest site is at ½, ¼, 0; draw a unit cell - it helps.) Radius (in centimeters):
April 2, 2013 by adex

Chemistry need help
using standard potentials given in the appendices calculate the standard cell potentials and the equilibrium constants for the following reactions. Zn(s)+( Fe^2+(aq)) ---> (Zn^2+(aq))+ Fe(s) If anyone can show work, then I can do the rest of my homework by looking at this ...
April 19, 2014 by Kader

Just for I.AM..RUNNING.FROM.MYSELF,
I'm doing a poster in science and its about radon. Radon is a radioactive gas and it causes lung cancer, but i dont know what to do for the poster and it's due March 16,2012 but i have to turn it in by tomorrow so that the poster can get to the science specalist so the ...
March 9, 2012 by Portia

Early Child Ed.
Would you please check my questions and answers and let me know the ones I have wrong? 1. Family-focused early education of exceptional children encourages: A. families to be partners in decision-making. B. families to make all the decisions about their chil's education. C. ...
July 16, 2007 by Tamera

chemistry
The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 23.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode.
February 29, 2012 by Katie

Chemisty
The voltage generated by the zinc concentration cell (described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s)) is 27.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode.
April 2, 2014 by Chem. Student

Chemistry
The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 21.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode.
May 8, 2014 by Laila

General Chem 2
Given: Al3+(aq) + 3e– --> Al(s); E° = –1.66 V I2(s) + 2e– --> 2I–(aq); E° = 0.54 V What is ∆G° for the following cell reaction? 2AlI3(aq) --> 2Al(s) + 3I2(s) A) 4.2 × 105 J B) –6.5 × 105 J C) –1.3 × 106 J D) 1.3 × 106 J E) –4.2 × 105 J
May 3, 2014 by Katie

Chemistry 104
The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 11.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode.
May 8, 2014 by Mona

Biology
Transport Through the Cell Membrane What transport protein was used in simple diffusion, facilitated diffusion, and active transport?
September 14, 2008 by Jennifer

bio+ please check!!!
The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored. Event 3: The cell ...
February 21, 2007 by Anonymous

biochemistry
Calculate the free energy of hydrolysis of ATP in a rat liver cell in which the ATP, ADP, AND Pi concentrations are 3.4, 1.3, and 4.8 nM, repectively. (ATP hydrolysis has delta G note= -30 kJ/mol)
October 5, 2010 by nicole

psychology
The physical structure of the auditory sense is responsible for transmitting messages about balance to the brain. it does this through: A) The "hammer" and " anvil" bones B) sound waves C) the part of the auditory nerve that is not involved in hearing D) hair cell I think is C
October 21, 2009 by loreta

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

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

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

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

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

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
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

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

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

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

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

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

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

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

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

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

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