Most meteorites contain iron and nickel and are therefore

Magnetic

Not magnetic

Weakly magnetic

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. How can the student demonstrate the theory of endosymbiosis using the models?

Certain eye stem cells can only differentiate into a few types of eye cells. What kind of cell is this?

With few exceptions, all 64 codons have the same meaning in all organisms. This means the genetic code is: a. non-overlapping b. degenerate c. ordered d. non-degenerate e. universal

Which of the following would a specialized tissue cell NOT differentiate into? A. Neuron cell B. White blood cell C. Stem cell D. Liver cell

What type of RNA is a major component of the structure bat which protein synthesis occurs?

What happens to molecules in a liquid when it becomes a solid?

Is a nucleic acid that contains the genetic information for heredity in most organisms. A. a chromosome B. genetics C. a gene D. heredity E. DNA

Sandy experimented with the placement of the straw and the balloon while making this air powered toy car. He taped the straw and balloon to face toward the right. He told Tim that his toy will travel to the right. Tim said that Sandy was wrong.

You are a biomedical researcher who is interested in designing a drug to increase bone density. You have decided you can take one of two approaches: (1) design a drug that stimulates bone to be built faster, or (2) design a drug that prevents bone

Why rinse peas in disinfectant