Which of the following is true of a human karyotype? A. Each cell has 22 pairs of homologous chromosomes B. Each cell has one pair of sex chromosomes C. The chromosomes are numbered in order from 1 to 22. D. All of the above are true.

Which type of fault is under tension? transform? strike-slip? reverse? normal?

The trees of mangrove forests live in shallow water, usually along shores of land masses ...

The functioning of enhancers is an example of

What kind of matter is formed when atoms of 2 or more elements bond

A Spanish scientist observes that salmon produce more eggs when grown in warmer aquariums. He asks his colleague in the United States to conduct the same experiment using the same aquarium equipment. Should he expect the results to be similar?

Many enzymes require metal ions as cofactors due to the inherent properties of the metal ion. Metal ions, when bound to water, will favor the formation of hydroxide ion, which is a strong nucleophile.

What is a vestigial structure? A. A structure that has no use in the organism B. A structure with similar shape but a different use C. A structure that is only in index fossils D. A structure that contains isotopes! apex!

Why is forecasting human population growth more difficult than forecasting population growth in other animals?

You and your physiology instructor are trapped in an overturned ship. To escape, you must swim underwater a long distance. You tell your instructor it would be a good idea to hyperventilate before making the escape attempt.

Thermal vents are found at the bottom of the ocean in the benthic zone.