Explain why it is important that scientists perform an experiment more than one time?

Cell differentiation always involves a. transcription of the myoD gene. b. the movement of cells. c. the production of tissue-specific proteins. d. the selective loss of certain genes from the genome.

What are the three sections of the large intestine and what roles does each play in digestion or absorption?

In the digestive system, what part of the body precedes the large intestine

Which evidence supports the big bang theory? the existence of cosmic microwave background radiation light coming from galaxies shifting toward blue atomic spectra analysis showing the universe to be 50% hydrogen, 50% helium

Where do amoebas live and what are their geographic range?

What is the junction between a nerve cell and another cell called: axon, synapse, dendrite, none of the above

1. Synthesize Information How do you explain to the horse owner why this foal was born with OLWS while two previous foals were perfectly healthy? What would you tell the new parents of the baby girl about their prospects for having more children?

What organelle is the control center for the cell and holds the DNA

The primary structure of a protein refers to the sequence of amino acids that are linked together in a long chain. Which of the following common items would best represent the primary structure of a protein? O A.

How many chromosomes do humans have? how many copies in normal cells? How many pairs? How many copies in sex cells?