In Unit 2 you learned that ocean temps and levels are rising due to the Greenhouse Effect. Do you see the trend for northern migration to continue if ocean temps continue to rise? What could happen to sea turtle nests if ocean levels rise?

What characteristic of the polymerase isolated from thermus aquaticus makes it unique and highly useful for maintaining the enzyme efficiency during pcr?

Double-stranded DNA looks a little like a ladder that has been twisted into a helix, or spiral. The side supports of the ladder are a. individual nitrogenous bases. b. alternating bases and sugars. c. alternating bases and phosphate groups. d.

Of the rocky planets which have well developed atmospheres

What will most likely happen to this ecosystem if the herring are killed by a virus?

Which is not a normal component of lymph? A) water B) plasma proteins C) red blood cells D) ions

Which of the following is descriptive of pertussis? a. Initial stage resembling the common old b. Prolonged illness, sometimes symptoms may last for months. c. Bacterial disease treated with erythromycin c. All of these are descriptive of pertussis

Which statement about the cell membrane is true? A. It contains cellulose and sugars that are involved in communication. B. It is present in animal cells only. C. It is rigid and elastic for supporting the cell's shape. D.

Hailey needs to identify internal costs so she can price her product accordingly. Which cost will be part of Hailey's calculation? A. cost of endangering species B. cost of deforestation C. cost of air pollution D. cost of disposing by-products E.

What is the main difference between prokaryotic and most eukaryotes cells? A. Eukaryotic cells from multi-cell tissues, Prokaryotic cells are single cell. B. Eukaryotic cells from single cell, Prokaryotic cells are multi-cell tissues. C.

List (A) the primary materials necessary for and (B) The materials produced by photosynthesis