All amino acids have a similar structure. Which component is responsible for the differences in the 20 amino acids

A: the carboxlyic acid

B: the R group

C: the central form

D: the amine group

In skeletal muscle, the sarcoplasmic reticulum stores a very high concentration of Ca++. When Ca+ + is released into the cytosol of muscle to facilitate contraction, it needs to be removed and pumped back into the sarcoplasmic reticulum so that

Which word describes an organism such as a plant that supplies energy to the food chain A - Consumer B - Producer C - Herbivore D - Reactor

The neurodevelopmental disorder in which there is an extra 21st chromosome is called

Which is not a major salivary gland? lingual glands parotid glands submandibular glands sublingual glands all of these choices are major salivary glands?

How does acid deposition impact aquatic environments? a. fish do not often die but they do become too full of toxins to be consumed by humans. b.

Which best describes dynamic equilibrium? There is a difference in concentration on either side of the cell membrane. There is an uneven distribution of particles inside and outside the cell.

Proposed a theory to explain the origin of life on earth

How the carbon atom's bonding tendencies lead to the formation of macromolecules

Smallest planet in the solar system

What is the definition of soil according to a soil scientist?