The most potent chemicals for activating pain receptors are
a. bradykinins.
b. histamines.
c. prostaglandins.
d. cytokines.
e. leukotrienes.
A
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Respond to statements 82–85 with reference to the five plant
macronutrients listed below. a. nitrogen b. potassium c. magnesium d. phosphorus M 82. This nutrient helps to maintain turgor pressure. M 83. This nutrient is an extremely important part of ATP. M 84. This nutrient is an important part of the backbone structure of DNA. M 85. This nutrient is essential to formation of chlorophyll and acts as a cofactor for many enzymes.
At what stage of the meiotic cell cycle and during what chromosomal configuration does crossing over occur?
What will be an ideal response?
Animals vary the composition of their urine depending on their environment and their need to conserve water
Indicate whether the statement is true or false
What is the metaphase scaffold of eukaryotic chromosomes and what is its role?
What will be an ideal response?