Plant cells and animal cells possess many of the same organelles. Which of the following organelles, however, would be indicative of a plant cell rather than an animal cell? A. ribosome B. nucleus C. mitochondrion D. chloroplast

Sulfur emissions from industry combine with water in the atmosphere and form acid rain. A new factory is built very close to the lake that Josh visits often.

N pea plants P represents purple flowers while p represents white, and T represents tall plants while t represents short. Biologists cross two pea plants, each with the genotype PpTt. We would expect what phenotypic ratio from this dihybrid cross?

How do microorganisms affect the quality of soil?

Which fossils would be newer and older in the various layers of rock in the Grand Canyon?

Using an electron microscope, a scientist identified these cell structures in an unknown organism: mitochondrion, nucleus, cell wall, and chloroplast. What kind of organism did the scientist find?

Is the gene for being a supertaster autosomal or sex-linked?

Which is the most suitable purpose for using a globe? A. finding the Mississippi River B. seeing a town in North Dakota C. searching for the best route from New York to Los Angeles D. seeing the whole earth

The oldest forensic laboratory in the US was built by whom? Los Angeles Police Department Boston Police Department New York City Police Department Chicago Police Department

Which could be a reason viruses are considered nonliving things? Viruses come from cells. Viruses produce cells. Viruses are made of DNA and proteins, but not cells. Viruses attack cells and are dangerous to them.

How do humans become murderers? What are some of the reasons that cause it?