Describe two ways in which genetic recombination occurs during meiosis.

Describe neutrons. Location: Charge: Mass:

What are the 3 major functional units of a gene and what are their functions?

If there are 2000 nucleotides in a strand of DNA and 600 contain the nitrogen base cytosine, how many nucleotides contain adenine?

1. If two organisms are in different families, they must be in different phyla. True or False 2. if two organisms are classified in the same genus, what must also be true?

Why are cnidaria so significant to the animal kingdom?

Describe the similarities and differences between alcoholic fermentation carried out by yeast to make alcoholic beverages and lactate-acid fermentation carried out within the human body.

Which characteristic is not a characteristic of plastic? A. easy to mold B. good conductor of heat C. lightweight and durable D. repels water

An adult male pig's urine contains a chemical substance that accelerates the onset of puberty in female pigs. What is this substance called?

Which of the following is a physiological adaptation?

Which measures the mass of an object?