A cell's chromosome's must be duplicated before mitosis occurs so that?

Can rats pass on memories of a maze to their offspring?

Which of the following would be a result of eutrophication of nitrogen? -undergrowth of water plants -hypoxia, or low levels of oxygen -Decreased decomposition -inactivity of fertilizers

sodium has an atomic number of 11 and has a net charge of 0. When sodium combines with chlorine, it has a net charge of + 1. Why? A) sodium loses a negative electron when forming chemical bonds. b) sodium gains a + proton when forming chemical bonds.

Define ovipary, ovovivipary, and vivipary. Which vertebrates use each type of reproductive strategy?

Molly goes to the movies and consumes a piece of pizza, a diet cola, and a large tub of salted popcorn. describe how molly's body will regulate her fluid balance and adapt to this high-sodium meal.

The statement, "Energy can neither be created nor destroyed, but can change from one form to another," is the first law of thermodynamics the second law of thermodynamics the third law of thermodynamics scientifically unproven

How do plants living in deep shade manage to make their food

What can cells can be defined as

What brings greater concentration of dissolved nutrients to the ocean floor?

The power was off last night, and the yeast cultures in your incubator cooled down from 25 degrees to 20 degrees centigrade in temperature. to your great relief, you find that the yeast cells did not die.