The DNA molecule is described as a double helix. Describe the meaning of this expression and the general structure of a DNA molecule.

There are both short term and long term complications of diabetes. Describe an example below for each category.

Bacterial cells have been treated with a drug that stops a dividing cell. Which of the following processes would not be necessary for the survival of bacterial cells treated with this drug?

The current in a hair dryer measures 19 amps. The resistance of the hair dryer is 7 ohms. What is the voltage?

What percent of the water on earth is freshwater

The exosphere is the layer of the atmosphere

What structure on the continental crust is most similar to an ocean ridge? -Plains -Mountain range -Canyon -Plateau

Which is the best way to increase the validity of data in an experiment

What is responsible for converting glucose into a form of energy usable by cells?

What best describes the alternation of generations? 1. meiosis produces a diploid zygote 2. a gametophyte is a diploid phase 3. a gametophyte is a haploid phase

Along with plants and algae, in which organisms can photosynthesis occur?