True or false: Quartz will scratch minerals in the list, numbered 1 through 6.

When sugar is dissolved in water which is a solute?

Suppose a newborn baby was accidentally mixed up in the hospital. In an effort to determine the parents of the baby, the blood types of the baby and two sets of parents were determined. Baby 1 had type O Mrs. Brown had type B Mr.

Mango the parrot jumped very quickly toward an empty paper cup. When she hit the cup, it moved into the air and fell off the table. What happened when Mango hit the cup? A. Energy was transferred from the cup to Mango. B.

Which of the following statements about the cell cycle is/are correct? Choose all that apply. Which of the following statements about the cell cycle is/are correct? Choose all that apply.

The average-sized cells in the human body are about 10 µm in length. How many cells are in human body?

An element's atomic number is 5. How many protons would an atom of this element have?

Biology is the study of living things. Why do you think viruses are discussed in biology books?

How many cotyledons would be found in a flowering plant with nine petals on each flower and long leaves with parallel leaf veins? a. Three b. Zero c. Two d. One

Use photosynthesis in a sentence

What is Chromatid? what is genome?