2) What is a gene?

What is the primary limiting factor for aquatic productivity?

Why can differences in mitochondrial dna be used as derived characters?

Myofibrils are made primarily of A) actin and myosin. B) epimysium. C) ATP and ADP. D) troponin. E) tropomyosin.

Which part of the crossbow holds the arrow in the track until the trigger is squeezed?

Which is hotter? a white/blue star or a red star?

Compare/contrast independent and dependent variables.

What would damage to the nervous tissue in the spinal cord lead to paralysis?

What environmental event in the 1930s led the U. S. government to formalize its soil conservation policies?

Why do plant cells become flaccid in concentrated sugar solution?

12) DNA and RNA differ in all BUT one of the following ways. A) DNA is double-stranded, while RNA is single stranded. B) RNA uses the sugar ribose in its backbone, while DNA uses deoxyribose.