Compound weighing 115 g contains 68.3 g of carbon, 13.2 g of hydrogen, 15.9 g of nitrogen, and some amount of oxygen. What is the mass percent of oxygen in the compound?

What chromosome region moves the chromosomes to the metaphase plate?

In angiosperms, flowers are adaptations for reproduction. Which of the following does NOT usually describe flowers that are pollinated by animals? A. They are tiny. B. They pollinate more efficiently than wind-pollinated plants. C.

Hypotheses are used in science but never in the design of new technology. True False

In which macromolecule will she use the black, red, and purple balls in a ratio of 1:2:1? carbohydrates lipids nucleic acids proteins

Why do you think an animal cell does not have a chloroplast

Rebecca is quickly able to calm betty when others could not comfort the girl. there are two different ways of viewing nurse's power here. explain them both

Which mineral's absorption into the body is enhanced greatly by vitamin c?

What dose a surface area / volume ratio of 3; 1 means for a cell abillaty to get abilateys to get acrouse materials acroos its membrane

What are the three functions of cell division?

The attraction of water to other substances other than water is known as