If the ability to roll one's tongue is dominant (R) and the inability to roll one's tongue is recessive (r), what would the genotype be for someone who can not roll their tongue?

Which of the following workers produces a good worker rather than providing a service? A) owner in a restraunt B) waitress in a restraunt C) chef in a restraunt D) dishwasher in a restraunt E) none of the above

What does the symbol of two bold dots (• •) suggest on a weather map?

Look at the chemical equations for cellular respiration and photosynthesis. How do these processes compare to one another in terms of matter and energy?

How are mitosis and meiosis similar and different?

A pea plant is the offspring of a true breeding plant with purple flowers and a true breeding plant with white flowers. This plant is crossed with one that has white flowers (recessive).

Select ALL of the items below that were Hitler's beliefs which then became part of Nazi ideology. Question 2 options: Germans are members of the Aryan master race. It is not necessary to conquer territory.

Introduced species can threaten biodiversity because they

Which of the following statements does not describe a problem with modern landfills? A. Materials buried in landfills decompose in three years. B. Chemicals leaking out of the waste stored there may pollute wells or groundwater supplies. C.

Describe the basic functions of living organisms

In 1783 Antoine Lavoisier showed that the heat produced by respiration was comparable to the heat produced when charcoal was burned. This expeiment shows the similarity between respiration and A) boiling B) combustion C) ignition D) melting