What is one way that changes can occur in a DNA sequence?

A scientist is testing the effectiveness of Drug X on cancer. She gives a small amount of the drug to mice that have cancer.

A baby boy is born with six toes (polydactyly) on his right foot, a trait that neither parent has but one that the paternal grandfather has. What is the best explanation for this occurrence?

For each of the four major biomolecules, identify the name and structures of its monomer

Which of the following is a reason that Venus is not ideal for supporting life? A. It lacks an atmosphere allowing for frequent meteorite collisions. B. It has a thin atmosphere which prevents liquid water from existing on the planet surface. C.

Which of the following is true about chromosomes? More complex animals have more chromosomes. Chromosomes are found in many places in the cell. Sperm and eggs have half the number of chromosomes as other cells.

What town, nicknamed "Ski Town, U. S. A.," has produced more Winter Olympians than any other place in the country?

John Likes hiking he observes that whenever he hikes up a hill he breathe heavier than when he is on flat ground which two statements explain why this happened

Do vegetarians eat animal crackers?

What effect will there be on RNA if the T in GAT is replaced by C?

When cells respond to an extra cellular signal, they convert the incoming information from one form to another. This process is called signal a. induction b. interference c. transduction d. transformation