What is an enzyme?

What does "catalyze" mean?

What is the "active site"?

What structure is formed during the unwinding process of replication? polymerase nuclease replication fork double helix

They are found in soil and get into our bodies by ...

What are som important organ in the skeletal/muscular system?

Compare and contrast the length of one day on the moon and one day on earth. Which is longer and why?

Explain the specific response of an antibody when an invader enters the body

Look at the chemical reaction below Magnesium + hydrochloride acid - > magnesium chloride + hydrogen Mg + 2HCI - > MgCI2 + H2 In this reaction Magnesium (Mg) is a reactant or product Hydrogen (H2) is a reactant or product Magnesium chloride (MhCI2)

Where does the primary source of energy needed for life come from? 1) solar energy 2) geothermal energy 3) nuclear energy 4) kinetic energy

Which molecules is not part of the cell membrane? a. lipid b. nucleic acid c. phosphate group d. steriod e. protein?

During dna replication in a human cell, 6 billions bases must be paired properly. which characteristic of dna best allows for high level of accuracy during this process

Which of the following actual (i. e., real) products of biological activity is not likely to be a source of the increases in greenhouse gases observed in recent history? A.