All of the following require breaking and forming chemical bonds except

grilling a hamburger

mixing vinegar and baking soda

roasting a marshmallow

bending a nail

Which are the instuctors that tell the cel everything it needs survive

Why are some fossils found in lower layers and not upper layers? (give 2 answers of why this is)

2. Why would genetic diversity be beneficial? If everyone had the exact same DNA why could this be bad?

In ovaries, the final productstep of meiosis are

A drug called pilocarpine is prescribed by ophthalmologists to be dropped in the eye to control a. eye infections. b. glaucoma. c. eye allergies. d. strabismus

What is the junction between a nerve cell and another cell called: axon, synapse, dendrite, none of the above

1. Synthesize Information How do you explain to the horse owner why this foal was born with OLWS while two previous foals were perfectly healthy? What would you tell the new parents of the baby girl about their prospects for having more children?

What organelle is the control center for the cell and holds the DNA

The primary structure of a protein refers to the sequence of amino acids that are linked together in a long chain. Which of the following common items would best represent the primary structure of a protein? O A.

How many chromosomes do humans have? how many copies in normal cells? How many pairs? How many copies in sex cells?