the body temperature of Arabian oryx fluctuates during the day from about 38oC, the normal body temperature, up to 42oC at midday, and then falls back to 38oC at night. Calculate how much water heterothermia saves over the 24 hr period. Normal Tb = 38oC. Max Tb = 42oC during […]

Mutation can affect the genome in many different ways. For now, consider mutations that (1) result in changes of the third codon position, and (2) result in changes of the first codon position. A) Which type of mutation do you feel would be most likely to be influenced by natural […]

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 […]