Deoxyribonucleotides and ribonucleotides differ in all of the following except
A) ribonucleotides can serve as energy molecules while deoxyribonucleotides do not.
B) deoxyribonucleotides are found in DNA while ribonucleotides are found in RNA.
C) the sugar is different in the two types of nucleotides.
D) phosphodiester bonds can only form between deoxyribonucleotides, not ribonucleotides.
E) the nitrogenous base thymine is only found in deoxyribonucleotides while the nitrogenous base uracil is only found in ribonucleotides.
Answer: D
You might also like to view...
Neural transmission across a mammalian synapse is accomplished by _____
A) the movement of sodium and potassium ions from the presynaptic neuron into the postsynaptic neuron B) impulses traveling as electrical currents across the synapse C) impulses causing the release of a chemical signal and its diffusion across the synapse D) impulses ricocheting back and forth across the synapse E) the movement of calcium ions from the presynaptic into the postsynaptic neuron
Which of the following statements best describes DNA polymerase?
A. It is an enzyme required to produce a primer needed for DNA replication. B. It is an enzyme that catalyzes the addition of nucleotides to the 5? end of a growing DNA strand. C. It is an enzyme that catalyzes the addition of nucleotides to the 3? end of a growing DNA strand. D. It is an enzyme required to glue pieces of DNA fragments together. E. It is an enzyme that polymerizes the DNA and keeps the replication fork open.
A sea turtle lays its fertilized eggs in the sand to grow until baby turtles hatch. Does the sea turtle exhibit internal or external fertilization?
What will be an ideal response?
Which of the following pairs are the best examples of homologous structures?
A) bones in the bat wing and bones in the human forelimb B) owl wing and hornet wing C) bat wing and bird wing D) eyelessness in the Australian mole and eyelessness in the North American mole