Construct a Punnett square that shows the cross between Lee Ann's fish.

Lee Ann has two fish. One is heterozygous for orange color, and the other is homozygous recessive for black color. Lee Ann decides she wants to breed her fish, but she wants to know ahead of time how many fish of each color will hatch.

O -> orange; o -> black

Aeukaryotic cell must be from a plant if the cell a) a nucleus b) a nuclear envelope c) cytoplasm d) a cell wall

How do you date a sample of rock that you suspect as being one of the earliest on earth

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.