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Q. The cell walls of bacteria, fungi, and plant cells and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following is a characteristic of all of these extracellular structures? a. They are composed of the mixture of lipids and carbohydrates. b. They […]

In tomatoes, yellow fruit and dwarf vines are due to recessivealleles of genes which produce the more common red fruit and tallvine. Pollen from a pure line of dwarf plant bearingred fruit is placed on the pistil of a pure line tall plant bearingyellow fruit. What type of plant and […]

A 22-year-old Honduran woman presents to an urgent care center complaining of a rash and joint pains in the wrists and knees for 2 days. Her rash was preceded by 3 days with a fever, malaise, headache, mild conjunctivitis, mild cough, and lymphadenopathy. Her rash began on her forehead and […]

A spotted rabbit, when crossed with a solid-colored rabbit produced all spotted offspring. When these F1 rabbits were crossed among themselves they produced 32 spotted rabbits and 10 solid rabbits. a) Which of these characters is dependend upon a dominant gene?b) how many of the rabbits which were spotted in […]