Nitrogenous bases are located on both strands of the DNA double helix. What is the significance of the
nitrogenous bases?
A. The number of adenines and cytosines determines the type of RNA that will be produced.
B. The order of nitrogenous bases determines the order of amino acids in the proteins synthesized.
C. The amount of thymine and guanine in the DNA molecules determines the length of the genes.
D. The type of hydrogen bonding betweer the nitrogenous bases determines which amino acid will be added to
the peptide chain.

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.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Alexa is preparing for a presentation by creating note cards identifying keywords that describe various features of each type of plate boundary. which words apply to all three of the convergent boundaries?