In a karyotype it can be seen that a homologous pair of duplicated chromosomes will contain how many chromatids?

Diffusion and osmosis are forms of passive transport

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion