In a cell, a part of the DNA codes for a protein is damaged. Which statement describes this situation?

1) the cell has the information but does not have the machinery to build the protein
2) the cell has the information but cannot carry it out of the nucleus
3) the cell has the information, but molecules that will make up the protein cannot enter the nucleus
4) the cell lacks the information to build the protein

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

What maintain homeostasis when a persons internal body temperature is 97.5°f