Discuss how genetic variability is maintained through genetic polymorphism. What will be an ideal response?

Which element is considered a macronutrient needed by plants?

a. manganese b. iron c. copper d. potassium e. boron

Each carbon atom can share pairs of electrons with as many as ____ other atoms

a. 2 b. 3 c. 4 d. 5 e. 6

The blastocyst implants in the endometrium about 7 days after fertilization

Indicate whether the statement is true or false

Which H+ has just passed through the inner mitochondrial membrane by facilitated diffusion?

A) hydrogen ion A
B) hydrogen ion B
C) hydrogen ion C
D) hydrogen ion D