The organelle that creates proteins is what?

A-mRNA

B-the Ribsome

C-tRNA

D-the nucleus

Write balanced formula for, sodium chloride is mixed with silver nitrate

The law of constant composition (also called the law of definite proportions) applies to

One bit of evidence that the quantum mechanical model is "correct" lies in the magnetic properties of matter. Atoms with unpaired electrons are attracted by magnetic fields and thus are said to exhibit paramagnetism.

What is the significance of the Galápagos Islands to the theory of evolution

Consider the reaction between hcl and o2: 4hcl (g) + o2 (g) →2h2o (l) + 2cl2 (g) when 63.1 g of hcl are allowed to react with 17.2 g of o2, 59.6 g of cl2 are collected.

Read the excerpt from a science text. In our experiment, we filled two identical glasses with water. To one glass, we added two tablespoons of salt and stirred. To the other glass, we added four drops of food coloring and stirred.

Carbon can double bond to some atoms to complete its octet. True or false?

What is caused by the heating and coolingof the earth

How do the particlesthat make up an atom interact

A chemistry student needs 55.0g of dimethyl sulfoxide for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of dimethyl sulfoxide is ·1.10gcm-3.