When during the cell cycle is a cell's DNA replicated?

Fossils in lower layers of rock are usually older than fossils in higher layers. True or False?

The area (s) of the world where child labor is most prominent is/are

How does the respiratory system in birds differ from the mammalian respiratory system?

1. What problem, question, or concern do you presently have that can be addressed via the scientific method?

If a particular experiment is inconsistent with the hypothesis, what should happen next? a. modify the hypothesis or make a new hypothesis b. change the independent variable in the experiment c. develop a theory d.

How water ends up in a water treatment facility

What best describes a theory

How do limiting factors impact different organisms?

Reabsorption of filtered glucose from the filtrate into the cells of the proximal tubule is by: Reabsorption of filtered glucose from the filtrate into the cells of the proximal tubule is by: a) secondary active transport. b) diffusion. c) antiport.

Why isn't the Gram stain used on Acid fast bacteria? If you did Gram stain acid-fast bacteria, what would their Gram reaction be? What is the Gram reaction of non-acid-fast bacteria?