Which type of RNA functions as the crust copy of the genetic code

Which statement best describes an independent variable? A-The variable that responds to change in a investigation B - The variable you can change in an investigation C - The effect in a cause/effect relationship D - The factor that can never change

Eras are divided into periods, which can be further divided into___? -millennia -eons -epochs

Enzymes are proteins that speed up reactions by 1. providing an additional energy source 2. supplying additional molecules for the reaction 3. removing inhibitors that slow down reactions 4. lowering the amount of energy required

Soil that is so rich in organic matter it can be burned is called what? a. Peat b. Loam c. Pedocal d. Laterite

List one way mitosis and meiosis are the same and one way they are different.

What does cellulose do in plants

When will natural selection occur apex?

The cell spends 90% of its time in what phase of the cell cycle?

Which of the following is an example of an organ-specific autoimmune disease? rheumatoid arthritis psoriasis Addison disease myasthenia gravis

Which technique is most effective for viewing solid organs of the abdomen and soft tissues wherever the signal will not be stopped by intervening bone or air?