A tree grows and increases its mass explain why it is not a violation of the law of conservation of mass

What is the difference between a gene and an allele? 1. A gene is a segment of DNA that codes for a protein or RNA; alleles are alternate forms of a gene. 2.

What did mendel call the first two individuals that mate in a genetic cross?

Which are organs of the digestive system? Check all that apply. Rectum Lungs Heart Esophagus Large intestine Liver

Does the ability of a Mycobacterium tuberculosis cell to infect a new host depend on its drug-resistant phenotype? 1. Yes, drug-resistant cells can infect a new host more easily than drug-susceptible cells. 2.

What word describes all of the processes that happen in a living thing?

What are the three aspects of the cell theory?

The term "homoplasy" is most applicable to which of these features? a. the legless condition found in various types of extant lizards b. the 5-digit condition of human hands and bat wings c. the beta-hemoglobin genes of mice and of humans d.

Discuss the importance of amino acid order to a protein's function

A scientist wants to compare DNA of two plants. What technique can she use to produce bands of DNA fragments for this comparison.

Jamie is still mad and he doesn't understand Vicky's explanation. He says "You aren't even speaking English! What are heterozygous parents? What's a recessive allele?