Which of the following correctly describes the importance of the nitrogen cycle?

to recycle carbon-based compounds

to replenish carbon in the atmosphere

to decompose dead plant matter

to create ammonia needed by plants to create proteins

Who is smarter men or women or who has more smart people? (i am not a sexist)

You are generally considered a secondary producing primary tertiary consumer in the food chain.

What are the advantages to asexual reproduction

How many dna fragments left when you use two restriction enzymes?

Which of the following statements describing hominin evolution is/are correct Select all that apply. 1. The first hominin species evolved from chimpanzees. 2. Hominin species began to walk on two legs in order to free their hands to use tools. 3.

Which food supplies only discretionary kcalories? a. bagel b. peanut butter c. grape jelly d. raisins?

Members of which two domains of life are composed of one or more prokaryotic cells?

What causes autoimmune diseases?

Once you have the Refractive Index of a glass sample, what do you do with it? Combine the elemental values of glass to find the refractive index. Calculate the molecular weight using the periodic table. Look it up in an encyclopedia.

Chromosomes move to the middle of the cell during what phase