Sunday
February 1, 2015

Search: A Cell Crossword Puzzle (science)

Number of results: 28,613

Science
Why do we say that an explanation in science is tentative?
September 7, 2014 by Anonymous

college Mathematics
I have been trying to figure this out for day's please help if you can. A survey of 59 customers was taken at a book store regarding the type of novels purchased. The survey found 34 customers purchased mysteries, 27 purchased science fiction, 20 purchased romance novels, 13 ...
February 12, 2013 by Carol

Science
I really do need help finding Science Fair Ideas. Hellppppppp Meeee!!!! Oh yeah I'm in 5th grade!! I need help finding Science Fair Ideas.
September 22, 2011 by Jesse Ariel Parker

Currently doing Math,life science,geography and ph
I am thinking of changing physical science and do business with math,life science,business and geography what career can i pursue?
January 11, 2015 by Tumi

Currently doing Math,life science,geography and ph
I am thinking of changing physical science and do business with math,life science,business and geography what career can i pursue?
January 12, 2015 by Tumi

technology
Has new communication technology brought humans closer together? Please write your thoughts about e-mails, IMs, and text messaging. We'll be glad to comment on your answer. I forgot a biggie -- cell phones.
November 4, 2006 by robert!

AP Biology
Describe the production and processing of a protein that will be exported from a eukaryotic cell. Begin with the separation of the messenger RNA from the DNA template and end with the release of the protein at the plasma membrane. -in essay format not points please-
March 24, 2010 by sheer

Chemistry
Pt(s) | H2(g, 2.0 bar) | H+ (pH = 3.0) || Cl -(aq, 0.85 mol·L-1)) | Hg2Cl2(s) | Hg(l) I need to calculate the voltage of the cell. I have a pretty good idea of how to use the Nernst equation for this, but am unsure if I am calculating the concentration of H+ correctly. I ...
March 29, 2010 by Val

Chemistry
In electrochemistry, why is my experimental voltage value of my cell lower than the standard electrode potential? I used zinc and copper as the electrodes and connected zinc sulphate and copper(II) sulphate using a salt bridge. I got 0.85V instead of 1.10V. I've read that ...
June 22, 2007 by Siobhan

chemistry
A car bumper is plated with chromium using chromium(III) ions in solution. If a current of 54 A flows in the cell for 45 min 30 s, determine the mass of chronium deposited on the bumper.
April 20, 2008 by Alex

hcs/335 plz help
What issues involve problems with consent in stem cell research? can anyone help me? i just need a quick explanation andi can go on from there i dont want the answer i just need help thanks
March 2, 2011 by bobbi

Chemistry
For the cell diagram Pt(s)|H2(g)|H+(aq)||Cu2+(aq)|Cu(s) Write a balanced equation for the half-reaction at the cathode. The cathode is the site of reduction so copper gets reduced. So wouldn't the answer be: Cu2+(aq) -> Cu(s) + 2e-?
June 11, 2013 by Jane

statistics
Measurement Scales Practice 1. Indicate the first letter (N, O, I, R) of the highest possible scale for each of the following measures, where N is lowest and R is highest: Measure Highest Scale a. Feet of snow Interval b. Brands of carbonated soft drinks Nominal c. Class rank ...
June 1, 2013 by Lynn

Biology
Respond to this question: "If a plant doesn't have enough water to openits guard cells, how would this affect its rate of transpiration?" In your answer, discuss the following: - the guard cell's role in transpiration - what effect this would have on the stomata - how this ...
March 23, 2010 by mysterychicken

Microbiology
What is the diferece between a partial diploid clone and a partial diploid cell?
November 13, 2006 by Ron

Science
hi i have a science exam on tuesday and i dont understand this question and really need some help. Draw a diagram of a) Magnesium Atom, Mg b) Fluorine ion, F1-
March 21, 2008 by Jess D

Science
hi i have a science exam on tuesday and i dont understand this question and really need some help. How many electrons, protons and neutrons in the following: a)Br1- b)Be2+ c)Ne d)P1- e)Fe
March 21, 2008 by Jess D

Science
hi i have a science exam on tuesday and i dont understand this question and really need some help. List the different parts of an atom and give their definition.
March 21, 2008 by Jess D

science
I’m 16 years old from Cambodia. Please give me some science competition website available for me that use internet to have contest (mean that no traveling). Thanks!
January 8, 2009 by kimlang

science
what are variables in science experiments? please give me an example like my experiment is how to tell if a person is lying by his body language.thank you. need answer badly!!!
May 10, 2009 by nik

Science
Your desk is classified as a solid because it has a definite shape and volume at _______________. 4th grade science lesson question under What are the states of matter section. Thanks!
February 5, 2010 by SEB

physical science with earth science
Write a balanced chemical equation for the reaction for propane C3H8 burning in oxygen to for carbon dioxide and water vapor
December 2, 2010 by abby

Maths,Science,Life sience,Agri science.LO & Langu
name two institution/communty organizations that surpporting or giving redress to air pollution
May 12, 2011 by Mixo

Science
I need a specific example of how social and cultural influences affect science so I could take students on a field trip to explain a lesson. Does anyone have an idea? Thanks.
July 31, 2011 by Michael

Science
I know tat this sounds silly but my science techer is giving us expierements to try out and she picked for me to reserch how to get rid of split ends??? Can I get a link please?
February 13, 2012 by Porsha Leboitz

8th-g Science: Need help to check answer!!!
Since I will have a science test next week based on these questions but my teacher won't check all answer with the class. I don't want to make a mistake and study to an incorrect answers. Do you mind to check the answers for me so that I am able to see if I got it correct or ...
March 6, 2014 by Cassidy

science science science science science science
The moon orbits around the earth.Which of the following keeps the moon traveling in the same path each time it orbits the earth? A.energ from the surroundings B.Pull of gravity between the moon and the earth C.orbits in space are pushing the moon towards the earth D.the winds ...
April 18, 2007 by Hot stuff

biology
1. during pollination, where is pollen transferred to? 2. the endosperm that forms from the union of a sperm nucleus and the polar nuclei of the central cell is? 3.Which of the following is an example of a fruit? 1.tomato, cucumber, squash. 4.The seed develops from the? 1....
April 20, 2008 by shaggy

English Language
My son's teacher asked him to give the opposites of these words..I can't seem to think of them myself..I am sitting here breaking my head, can anyone please help me. 1. bread 2. sack 3. peek 4. bare 5. wrap 6. cent 7. cell 8. knit 9. knot 10.lead
October 8, 2009 by Mari

Biology Question
A cell is lacking in its supply of amino acids. Which of the following will occur? A- mRNA will not be formed because enzymes may not be present. B- The ribosomes will not work properly because there will be no proteins. C- tRNA may not be able to fulfill its job. D- all of ...
January 2, 2015 by Ayrial

Biology
Acetyl-CoA is used both in cellular respiration and fat synthesis. Explain how the cell can regulate its metabolism if the same molecule is used in both energy production and biosynthesis?
November 18, 2007 by ug

math (statistics)
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 25, 2012 by Anonymous

College Chemistry (DrBob222)
Use the Nernst equation to calculate the iron (II) concentration for the following iron/copper electrochemical cell when [Cu2+] = 0.012 M and Ecell = 0.750 V at 35°C. Cu2+ (aq) + Fe (s) --> Cu (s) + Fe2+ (aq)
April 6, 2014 by Adrik

science
1) a pea plant with yellow seeds is crossed with a pea plant with green seeds. all of the offsprings have yellow seeds. the allele for yellow sees is a. Dominate because all offspring have yellow seeds. b. Recessive because all of the offsprings have yellow seeds. c. dominant ...
October 21, 2014 by dani

Biology
I need to illustrate a cell starting out with 3 chromosomes each, it replicating, and in the end, having 4 cells. (Meiosis). Could someone explain it to me, please? easy go on internet/google, type in meiosis search for pic, theyshow you the steps
May 17, 2007 by Matt

health care cost
Impact of Healthcare Cost on Service Delivery would be like stem cell research and other new technologies coming out for patients correct? If I am wrong please get me on the right track. thanks
October 18, 2008 by april

algebra
Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer that uses x weekday minutes per month. I can make up my own numbers for each plan. Having problems making up the equations.
March 16, 2010 by Katie

chemistry
Please help. My teacher never went over crystal lattices and the book doesn't cover it either :( Copper crystallizes in a face-centered cubic lattice. If the edge of the unit cell is 351pm, what is the radius of the copper atom?
December 10, 2012 by Jess

science
Which of the following is a valid reason to study science? A.All employers require an in-depth knowledge of sience. B.Carrying out scientific experiments is a requirement of everday life. C.Most colleges require advanced science classes. D.Understanding basic scientific terms ...
August 28, 2014 by Beau

Geography
Growth by cell division that makes both ends of a plant longer but not wider is called A secondary growth. B annual ring growth. C vascular growth. D primary growth. is it D? thanks
June 12, 2012 by Alexa

Biology
Growth by cell division that makes both ends of a plant longer but not wider is called A secondary growth. B annual ring growth. C vascular growth. D primary growth. is it D? thanks
June 13, 2012 by Alexa

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

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

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 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

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

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
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

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

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

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
Research suggests that American students lack a sufficient education in math and science to compete globally. How does the controversy about teaching evolution affect and reflect this problem?
December 29, 2014 by cooksthe1

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

Pages: <<Prev | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | Next>>

Members