Answer:
Amino acids are the monomers that make up proteins. Each amino acid has the same fundamental structure, which consists of a central carbon atom bonded to an amino group (–NH2), a carboxyl group (–COOH), and a hydrogen atom.
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Answer:
B. False
Explanation:
Rats (and all other rodents) need to gnaw because their teeth never stop growing. They need to be worn down, otherwise they will grow so that they A. grow into the brain, or B. Prevent the animal from eating = starvation
Answer:
A cell will shrink in a hypertonic solution. In a hypertonic solution, there is more solute outside the cell than inside the cell. This means that water will leave the cell (diffuse) to try and create equilibrium, causing the cell to shrink.
In a diagram, there will be lots of solute outside the cell and less solute inside the cell.
Answer:
Each biogeochemical cycle can be considered as having a reservoir (nutrient) pool—a larger, slow-moving, usually abiotic portion—and an exchange (cycling) pool—a smaller but more-active portion concerned with the rapid exchange between the biotic and abiotic aspects of an ecosystem. nitrogen cycle.
Explanation:
The results suggest that the combined effect of organic nutrients, inorganic salts and oxygen content determines microbial growth.
