Which of these is a weakened or dead form of a pathogen that causes an immune response?

A antibody

B vaccine

C antigen

D inflammation

Within one chromosome, what is the relationship between the sequence of bases in DNA of one sister chromatid compared to the other?

Why is the roof of the Hearst Tower designed to collect rainwater? Check all that apply. 1. to reduce the amount of water dumped into the city's sewer system 2. to replace water lost to evaporation in the office air-conditioning system 3.

What happen once cells reach a certain size

Imagine you discovered a new planet. What name would you give it? Why? Use complete sentences to discuss your thoughts and ideas.

I'm which part of the cell is the majority of the energy released from breakdown of glucose

Protists use cilia to move within their habitat, but ciliated human cells like those in the bronchi are always anchored to one another and to an extracellular matrix; what benefit does cilia provide these cells?

Which of the following concepts promotes development in both piaget's cognitive development in both paigets cognitive development theory and eriksons psychosocial theorory

Brian made this table to organize his notes on changes of state change of state energy change melting gain freezing lose deposition gain condensation lose

What is the name of the type of cell division that occurs in the prokaryotic cell cycle?

Select the correct answer. Why is it difficult for scientists to find fossils from the Precambrian period?