What causes mutations?

A. It's how your born

B. Mistakes in replication or environmental substances

C. Passed down by genetics

D. The amino acids

Scientists evaluate scientific evidence by using what

Does your body have more movable or immovable joints

In two or more sentences, explain how DNA replicates, including what percentage of the replicated strand is new vs. old.

During which phase of mitosis do the chromosomes become visible with a microscope? A. crotokinesid B. prophase C. Anaphase D. Telphase

All living things are eaither Eukarya, Bacteria, or Archaea. What are these broadest categories in the classification of life called?

It takes about 8 minutes 20 seconds for light (or radio waves) to travel from the sun to Earth. In the future, when there is a human colony orbiting Saturn, about how long will it take you to send a message from Earth to that colony? A. 71.25 s B.

How does King Hamlet die? A. His wine glass is poisoned. B. He is thrown off a bridge. C. He is bitten by a snake. D. Poison is poured in his ear.

A group of people? A:perspectives B:insituitions C:commuinty D:circumstances

The allele for brown fur in mice (B) is dominant over the allele for white fur (b). The fur color of one mouse is represented by Bb. What is the genotype of this mouse? What is the phenotype of this mouse?

What type of carbohydrate forms chains