Describe at least two ways in which some factories pollute the environment.

The most common molecule in the body is made up of what elements? A. hydrogen and nitrogen B. phosphorus and carbon C. carbon and calcium D. hydrogen and oxygen

Carbon-14 has a half-life of 5730 years. A sample of wood has been recovered by an archaeologist. The sample is sent to a laboratory, where it is determined that the activity of the sample is 0.137 Bq/g.

You measure the recombination frequency between two genes using a testcross between a double heterozygote and a double recessive homozygote, as is standard practice.

In pole beans, green pods (G) are a dominant trait, while yellow pods (g) are a recessive trait. A bean plant with a GG genotype is crossed with a second plant that has the gg genotype.

El Niño events are caused by warmer than normal ocean temperatures near the equator in the Pacific Ocean. Which weather events are most likely to occur as a result?

Which of the best describes transformation in bacteria?

It is important for us to keep our water supply clean and chemically balanced, so that it is potable and we can drink it. Having the right pH level is a part of this. What pH level should drinking water have? A) 1 B) 3 C) 7 D) 10

Compare the chromosomes of the parent and offspring in asexual reproduction

What pattern of population growth corresponds to the principle of a carrying capacity? what pattern of population growth corresponds to the principle of a carrying capacity? logistic a straight line j-shaped bell-shaped?

How do prokaryotic cells get energy?