4x + 5y = 3200

hint - linear equations in 2 variables

Which of the following is the only marsupial found in North America?

What's the difference between pollination and fertilization?

45. Which observation of dihybrid crosses led to Mendel's law of independent assortment? A. Particular individual traits persisted for many generations. B. Many combinations of traits were always inherited together. C.

Lichens are a mix of two organisms-a fungus and an alga. The alga, by virtue of its ability to carry out photosynthesis, provides food for the fungus. The fungus, in turn, protects the alga by forming a covering over it.

8. What type of macromolecule has amino acids as its monomers? A. Lipid B. Carbohydrate C. Fat D. Protein

A carrier is a person who has

How does the structure of DNA determine the structure of proteins?

Which sentence correctly compares two solutions that differ by one unit of pH? O A. The acidity of the two solutions cannot be compared using the pH scale. O B. The acidity of the two solutions is the same. C.

Summarize what goes into each photosystem and what comes out of each photosystem; where do these products go?

What process is responsible for most of the heating of the lower atmosphere?