In an experiment, there are two groups. Which group is not changed in any way?

A. hypothesis

B. variable

C. experimental

D. control

What cell type have prokaryotic cells

What kind of system is used to name individual species or organisms?

What is the role of iodine in the gram stain process?

Which of the following is not characteristic of an animal cell? A. It has a nucleus surrounded by a nuclear envelope B. It contains ribosomes C. It converts sunlight into food & energy using chloroplasts D. It has a cell membrane

What process accounts for species diversity? A) Mitosis B) Meiosis C) Predation D) Symbiosis

When ATP delivers energy, it does so by breaking the bond between: Question 4 options: the adenosine group and the phosphate groups the second and third phosphate the first and second phosphate all phosphate groups

What structure acts as a gateway for sensory impulses before they reach the cerebral cortex?

Fracking is used to extract what? A) coal B) natura gas C) all of the above D) petroleum

How the combination of electrons, protons and neutrons results in a neutral charge of an atom?

2) Tay Sach's disease is a fatal genetic condition, in which affected individuals cannot metabolize fats properly. Children who inherit the disease rarely live past the age of five.