Why are the guard cells so important in a leaf?

How many different types of tissue cells are there in humans? A. 20,000 B. 20 C. 2,000 D. 200

Which of the following codes describes position 12 on the long arm of chromosome 13? 13p12 13q12 12p13 12q13

In what way are cell biologists and molecular biologists similar?

Moneran is a ... A. one-celled organism with no nucleus. B. one-celled organism with a nucleus. C. multicelled organism with a cell wall. D. multicelled organism without a cell wall.

How does a scientist come up with the theory?

Meiosis is a specialized form of cell division that that produces

Gee's arm was cut during an industrial accident. the blood was pouring from the wound in spurts. which type of vessel was severed?

Why does Betelgeuse have a much greater absolute magnitude than apparent magnitude?

The cell's nucleus is filled with a substance called protein.

How are genes related to chromosomes?