Phosphorous is an important component in which of the following?

A) ATP

B) DNA

C) both A and B

D) neither A nor B

What are internal and external regulators?

Hemoglobin, a protein, is built by

What determines where plant and animal resources are found on earth?

Every time a normal cell divides ...

Why does aerobic respiration produce more ATP than anaerobic respiration?

Which of the following is true? A. Some substances must be dissolved in water before they can be used. B. Water is more important to some organisms. C. All organisms obtain water through food. D. Plant cells are unaffected when water is scarce.

These bio-molecules serve many functions throughout the body including signaling molecules, receiving signals, transporting other molecules or ions across the cell membrane, catalyzing reactions, regulating gene expression, and defending the body

In facilitated diffusion, what is the role of the transport protein?

2. Black fur (B) in guinea pigs is dominant over white fur (b). Find theprobability of an offspring with the same phenotype as its parents in across between a homozygous black and a heterozygous black guineapig . A. 0%, 25%B. 25%, 25%C. 50%,50% D.

The arabian spiny mouse is a species of mouse. different mice in this species can have different traits. what allows these mice to have different traits from each other?