In 15 words or less, describe how PCR works.

How do microscopes change the orientation of specimens?

One scientific hypothesis about the origin of life holds that a. RNA replaced DNA as the most stable information-storing molecule. b. RNA nucleotides were formed from simple organic molecules in an abiotic stew. c.

Where is the human egg cell located?

Toni has a blood disorder that gets its name from the shape of the red blood cells. she would be diagnosed with what disorder?

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

What is another name for skeletal muscle? involuntary muscle connective muscle voluntary muscle interactive muscle reactive muscle?

Water can leave the air as a result of which processes? A. infiltration or transpiration B. precipitation or evaporation C. evaporation or transpiration D. condensation or precipitation

A bird and the snake would both be classified as

Elephantiasis is caused by what

Which has a more long term consistency? (Climate or Weather)