Homework Help

Science

define RNA siplicing

Posted by firdosi on November 1, 2010 at 5:48 PM via web. Be the first to answer.

Science

Major changes take place in tadpole's digestive and circulatory systems during metamorphosis Why do you think...

Posted by io500 on November 1, 2010 at 1:14 PM via web. 1 educator answer.

Science

How does a frog carry out its essential life functions?

Posted by lollipoplilwayne on November 1, 2010 at 9:47 AM via web. 1 educator answer.

Science

What characteristics restrict most amphibians to water?

Posted by cindyloo on November 1, 2010 at 9:35 AM via web. 1 educator answer.

Science

What is the wavelength of blue light if it has a frequency of 6.67 x 1014 sec (Hz)?

Posted by mirilo9 on November 1, 2010 at 9:07 AM via web. Be the first to answer.

Earthquake

If you were living in an earthquake-prone region, would you want a material that deformed in a brittle or a...

Posted by harley08 on November 1, 2010 at 7:16 AM via web. 1 educator answer.

Science

What is the energy(in joules) of each of these elements?Lithium, Copper, Calcium, Sodium, Barium, Strontium,...

Posted by happyface22 on November 1, 2010 at 6:55 AM via web. Be the first to answer.

Science

What is Fahrenheit equivalentf 31 Celsius ?

Posted by lipiciuc on November 1, 2010 at 3:26 AM via web. Be the first to answer.

Science

About Redi's experiment, describe the experiment that he conducted.

Posted by paboo2007 on November 1, 2010 at 1:58 AM via web. 1 educator answer.

Science

Capacitor of 6 microf is conected in parallel with the combination of 4 microf capacitor and a 3 microf...

Posted by mabottle on November 1, 2010 at 1:46 AM via web. Be the first to answer.

Physics

A ball is thrown down vertically with an initial speed of 20.5 m/s from a height of 58.8m.What will be it's...

Posted by gudeapp on November 1, 2010 at 1:29 AM via web. Be the first to answer.

Science

How are some of the properties of aluminium tested?Like the density, reflectiveness, boiling point etc.

Posted by bubbaaa on November 1, 2010 at 12:46 AM via web. Be the first to answer.

Science

When a wire is connected to 9 volt battery, the current is 0.020 ampere. What is the resistance of the wire?

Posted by afrokaa on October 31, 2010 at 10:25 PM via web. 1 educator answer.

Chemistry

Describe the chemical formula: KMnO4____________________ NaClO4____________________ Al(NO3)3___________________

Posted by for3cast on October 31, 2010 at 10:05 PM via web. Be the first to answer.

Science

Write the ratio of the atoms present in the formula of each: ammonia (NH4), calcium hydroxide {Ca(OH)2}, carbon...

Posted by lucky092569 on October 31, 2010 at 4:04 PM via web. 1 educator answer.

Science

Describe how the processes of photosynthesis and cellular respiration are linked and what aspects do they have...

Posted by eva27 on October 31, 2010 at 7:57 AM via web. Be the first to answer.

Science

What is psychopharmacology?

Posted by psysasha on October 31, 2010 at 6:49 AM via web. 1 educator answer.

Science

How do postsynaptic potentials, synaptic transmission, and receptors affect behavior? Why is it important?

Posted by psysasha on October 31, 2010 at 6:45 AM via web. 1 educator answer.

Science

Adhering to the standardsWhich standard in science do other science teachers feel is the most important one to...

Posted by trophyhunter1 on October 31, 2010 at 4:52 AM via web. 6 educator answers.

Science

Explain why ionic substances dissolve in water.Like an explanation why they dissolve in water and what causes it...

Posted by publicspeaker on October 31, 2010 at 3:05 AM via web. 1 educator answer.

Science

Four kilograms of water are placed in an inclosed volume of 1 m^3. Heat is added until the temperature is 150...

Posted by sixpenpencil on October 31, 2010 at 2:15 AM via web. Be the first to answer.

Physics

2200 kg automobile travelling at 25 m/s hits the rear of the stationary 1000 kg automobile.After collision the...

Posted by realcomplexnr on October 31, 2010 at 1:57 AM via web. Be the first to answer.

Science

Why is karyotyping important?

Posted by r10 on October 30, 2010 at 11:14 PM via web. 1 educator answer.

Science

A box is dragged along the floor. The rope that is acting on the box makes an angle A to the floor. How much...

Posted by colorcolour on October 30, 2010 at 7:22 PM via web. Be the first to answer.

Science

If the boat heads eastward, directly across the river what are the direction and magnitude of its total...

Posted by bulbul on October 30, 2010 at 7:09 PM via web. Be the first to answer.

Science

An airplane travels directly east at 340 miles per hour. The wind is from south at 45 miles per hour.What is...

Posted by sirserie on October 30, 2010 at 5:44 PM via web. Be the first to answer.

Science

Can I use electroless plating on automotive components?Please explain the procedure in detail with some...

Posted by anastrading on October 30, 2010 at 5:32 PM via web. Be the first to answer.

Science

Calculate Coriolis acceleration?

Posted by shoppana on October 30, 2010 at 5:16 PM via web. Be the first to answer.

Science

What is the average speed of a truck if it travels 2/3 of a distance between 2 towns at 80 km/h and the...

Posted by nena1993 on October 30, 2010 at 4:07 PM via web. Be the first to answer.

Science

Please help, BIO FOOD AND NUTRITION QUESTION!Beef contains protein and fat. Suggest why the amount of energy in...

Posted by summer-song on October 30, 2010 at 11:16 AM via web. Be the first to answer.

Science

cellswhat needs to be done to the cells that are about to divide before they can be viewed and photographed.

Posted by sfstudent on October 30, 2010 at 9:19 AM via web. 1 educator answer.

Science

Describe some of the evidence Darwin used to support his theory of natural selectionDescribe some of the...

Posted by korrin on October 30, 2010 at 6:33 AM via web. 3 educator answers.

Science

What are the byproducts and energy source of Anaerobic Alactic system (ATP-PC), Anaerobic Lactic System...

Posted by islnds on October 30, 2010 at 5:11 AM via web. Be the first to answer.

Science

What does the principal quantum number indicate?

Posted by mirilo9 on October 30, 2010 at 5:04 AM via web. 1 educator answer.

Science

20.0L of a sample of gas at 25 Celsius is compressed to 5L. What is the final temperature...

Posted by jakielegs on October 30, 2010 at 4:19 AM via web. 1 educator answer.

Science

a flexible container, like a balloon, with an initial volume of 1.0L is occupied by a gas at a pressure 1.5atm...

Posted by funkychick on October 30, 2010 at 2:38 AM via web. 1 educator answer.

Science

a 300ml sample of gas at 10degree Celsius is warmed to 60 degree Celsius at a constant pressure. calculate...

Posted by breadline on October 30, 2010 at 2:10 AM via web. 1 educator answer.

Science

How much energy is used by: Turning appliances off standby? Turning heating down? Turning off lights when not...

Posted by yuri1234 on October 29, 2010 at 11:19 PM via web. Be the first to answer.

Science

Explian the Connections between the Slow Cycling and Rapid Cycling of NUTRIENTS?I am studing Bio 20-1, And i am...

Posted by hannibalk on October 29, 2010 at 5:03 PM via web. Be the first to answer.

Science

Lung CapacityWhy would a health professional be interested in lung capacity? Can you think of another...

Posted by elnor on October 29, 2010 at 2:28 PM via web. 1 educator answer.

Science

Explain why is it important as chemist to understand physical and chemical properties of chemicals and substances.

Posted by xdpurplexd on October 29, 2010 at 11:59 AM via web. Be the first to answer.

Physics

math for the physics of a roller coasterA roller coaster cart of mass m = 339 kg startsstationary at point A,...

Posted by jennyjoo123 on October 29, 2010 at 11:37 AM via web. Be the first to answer.

Science

what salamanders are most closely related and how do you know?

Posted by imnumber1 on October 29, 2010 at 9:36 AM via web. Be the first to answer.

Science

Why is the western toad darker on the top and lighter on the bottom?

Posted by cindyloo on October 29, 2010 at 9:19 AM via web. 1 educator answer.

Science

What is the electromagnetic spectrum?

Posted by mirilo9 on October 29, 2010 at 7:09 AM via web. 2 educator answers.

Science

Do all cells undergo cell division? Explain.

Posted by sfstudent on October 28, 2010 at 7:11 PM via web. 1 educator answer.

Science

Why are lobe finned fishes important to evolutionary biologists?

Posted by io500 on October 28, 2010 at 11:41 AM via web. 1 educator answer.

Science

Name and describe three different reproductive strategies in fishes?

Posted by ma520 on October 28, 2010 at 11:36 AM via web. Be the first to answer.

Science

  The chemical reaction for burning glucose is:  C6H12O6 + 6O2+ energy -> 6CO2 + 6H2O + energy   ...

Posted by george95 on October 28, 2010 at 10:01 AM via web. Be the first to answer.

Science

What causes rabies?What are it's symptoms and signs?It's effects?How is it diagnosed?What are preventive...

Posted by optimistic-girl on October 28, 2010 at 7:39 AM via web. 1 educator answer.