What are chemical messengers that can travel through the bloodstream and tell cells in the body what to do.

When sodium chloride is dissolved in water the sodium ions do what

What are curved or spiral shaped bacteria cells

If paramecium is placed in a hypertonic environment, what will occur?

In which order does mitosis occur? A. metaphase, telophase, anaphase, prophase B. prophase, anaphase, metaphase, telophase C. prophase, metaphase, anaphase, telophase D. telophase, anaphase, metaphase, prophase

What did rutherford gold foil experiment suggest about the structure of an atom?

Using a pH meter, you find that egg whites have a pH of nearly 8 and egg yolks have a pH near 6, if litmus paper turns blue in bases and red in acids, which part of eggs would turn litmus paper blue? A. both B. egg whites C. egg yolks D. neither

With all his gear neil armstrong weigh 360 pounds on earth when he landed on the moon he weighs 60 pounds why

Is a lion is a carnivore?

The process in which nuclear division occurs

Which did Kepler notice about planetary motion that caused him to propose Kepler's first law of orbital motion?