How many years did the Precambrian Era span? 2.5 billion 5 million 5,000 none of the above

Which phrase best describes a biome? a community and its abiotic features an interacting community of different species a group of individuals of the same species a large area dominated by specific kinds of organisms

Which of the following does the enzyme primase synthesize? DNA primer RNA primer Okazaki fragments phosphodiester linkage

Cells and heredity 1.1 section quiz

The organ that surrounds the urethra and produces an alkaline secretion is the

If you double the net force on an object what is the result on the acceleration

DNA encodes the information necessary to produce the proteins needed by your body. While this is true for humans, is it the case for other organisms? A) No, humans are the only species to use DNA.

Why is the symbol X avoided in algebra?

What are two ways excess nitrogen is added to the nitrogen cycle

Examples of autoimmune disease are _ a Flu, rheumatoid arthritis and Type I diabetes b Type I diabetes, rheumatoid arthritis and influenza c Lupus, rheumatoid arthritis and Type I diabetes d Type I diabetes, malaria and lupus

In order to grow, all organisms must