Each nucleotide contains
1.a five carbon sugar.
2.an amino group.
3.a sulfur atom.
4.a phosphate group.
5.both a five carbon sugar and a phosphate group.
5
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The arrows in the diagram below are pointing
to
a. the esophagus and small intestine. b. the trachea and large intestine. c. the sphincters at the top and bottom of the stomach. d. the esophagus and pancreas. e. the stomach
A 9+2 array refers to
a. microtubules. b. Golgi bodies. c. ribosomes. d. cilia. e. both microtubules and cilia.
What type of reproduction includes the binary fission used by single-celled bacteria to produce genetically identical daughter cells?
A) sexual reproduction B) asexual reproduction C) fertilization D) condensation
Why do amphibians need to live in moist habitats?
What will be an ideal response?