Which of the following best describes the purpose of the chromosomes in the nucleusof a cell? A. To store the genetic instructions needed to specify traits

B. To release energy by breaking down food molecules

C. To transport nutrients into and out of the cell

D. To protect the cell from microorganisms

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

How many types of rock can form from the rock cycle

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16