Ineed ! some cells of the body like neurons and brain cells do not reproduce themselves. true or false

Place the steps tor the formation of the enzyme pepsinogen in correct order

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine