During which phase of meiosis do tetrads line up in the middle of the cell? A. prophase II

B. metaphase I

C. anaphase I

D. metaphase II

The basic unit for legnth in the SI system is the ... fill in the blank

Which is not a step in most scientific investigations? collecting data through observation and measurement observing and experimenting to test a hypothesis proving a theory and writing a new scientific law developing a hypothesis to explain

They don't have a science option but: As light travels from air to water to glass, it will refract. The best explanation for this would be A) Glass is less transparent than water, which is less transparent than air.

Why is it important for scientist to be able to remove DNA from an organism?

Which of the following is an example of adaptive radiation? a. One population of squirrels becomes two separate species over a long time. b. One population of lizards leads to 15 separate species over a short time. c.

Which form and method of using cocaine produces the most intense immediate high? page?

How is a new cell resulting from mitosis like the original

Both Vibrio cholerae and Salmonella typhi are capable of causing disease inside of otherwise healthy individuals. The ID50 of V. cholerae is 1,000,000 cells, while the ID50 of S. typhi is 10,000 cells.

How will increasing the numberof yeast cells affect the rate of ATP production by the cells (inmoles ATP / hr) if the sugar concentration in the experiment isheld constant?

In an electrochemical cell, q = 0.0010 and k = 0.10. what can you conclude about ecell and e∘cell? in an electrochemical cell, = 0.0010 and = 0.10. what can you conclude about and? both ecell and e∘cell are negative.