What are dna and genes

What shows the movement of energy (in the form of food) from one organism to another?

Madame Marie Curie is remembered for her pioneering work in the field of radiation research. Curie discovered the elements radium and polonium and determined their atomic weights and their places in the periodic table.

Why do nitrogen molecules have a bond order of three, whereas oxygen molecules have a bond order of two?

The Gulf of Mexico has several "Dead Zones," in which very few organisms or signs of life exist. Several research teams are interested in finding the pollution source that causes the Dead Zones.

Why do polygenic characteristics have many phenotypes?

What is the ultimate source of energy of almost any terrestial (land) food chsin or food web? what process converts this energy into a uasble form

Which does the enzyme need to be fully functional

Peritoneal organs are completely covered in a serous membrane and have a dorsal and ventral mesentery.

All organisms need energy to function. Which cell organelle provides this energy? nucleus chloroplast vesicle ribosomes

Which of the following is an SI base unit for time? Decades Hours Minutes Seconds