A nucleotide consists of a
A) phosphate group and a nitrogenous base.
B) five -carbon sugar and an amino acid.
C) five -carbon sugar and a nitrogenous base.
D) five -carbon sugar, a nitrogenous base, and a phosphate group.
E) five -carbon sugar and phosphate group.
D) five -carbon sugar, a nitrogenous base, and a phosphate group.
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Solubility refers to the ability of one substance to ___________ in another
A. react B. dissolve C. precipitate D. conduct E. None of these choices are correct.
Which of the following is NOT true of phospholipids?
A. They are amphipathic molecules. B. They have a polar head and a nonpolar tail. C. They are glycolipids originally isolated from the prostate gland. D. They are major components of the cell membrane.
Apoptosis of keratinocytes occurs in the stratum ________ layer of the epidermis.
Fill in the blank(s) with the appropriate word(s).
Which is not found in the mediastinum?
A. Heart B. Esophagus C. Pancreas D. Trachea E. Thymus