What characteristics do mutations have?

occasionally beneficial

omission of information

addition of information

mistakes in copying

Theyre Not Always Harmful

Are the hairlike cells in the cochlea mechanoreceptors, thermoreceptors, or chemoreceptors?

What are some of the challenges for forensic scientists in dealing with fiber evidence?

Which cranial bone is found internally rotated should be treated in a case of carpal tunnel syndrome?

During the winter months, the food for ground squirrels becomes diminished. How have ground squirrels adapted so that they can survive cold winter months.

Motion is a change is what

A child with a suspected airway obstruction is brought to the emergency room. he produces a harsh, strident sound on inspiration (stridor). where is the obstruction likely to be located, based on this information?

Roan cattle show codominance for the color of their hair. there are alleles for red hair and white hair. what would you expect a heteozygous roan bull to look like if the trait showed incomplete dominance instead?

Which natural polymer contains 3,000 or more glucose monomers? starch protein cellulose nucleic acid?

Which one of the following is an example of a prokaryote?

1. What is a macromolecule? Name four macromolecules present in all living things and identify what they have in common.