A phospholipid molecule has a polar and a nonpolar end. Because of this, water molecules form
A. polar bonds with the nonpolar end of the phospholipid molecule.
B. polar bonds with the polar end of the phospholipid molecule.
C. hydrogen bonds with the nonpolar end of the phospholipid molecule.
D. hydrogen bonds with the polar end of the phospholipid molecule.
E. covalent bonds with the nonpolar end of the phospholipid molecule.
D. hydrogen bonds with the polar end of the phospholipid molecule.
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The bacterial genera that produces pigments which protect plant leaves from UV irradiation is ________.
A. Nocardia B. Sphingomonas C. Arthrobacter D. Cellulomonas
Kendra has a kidney disease that is caused by a genetic mutation that leads to the
malfunctioning of her kidneys. Would this be considered a disease or a mutation?
a. It is a disease because it is associated with specific physical symptoms. b. It is an infection because it involves her genes. c. It could be either an infection or a disease. d. It is an infection because she has obvious physical symptoms
Which statement about mitochondria is true?
a. Mitochondria are surrounded by two membranes b. Mitochondria are less than 1 micrometer in length. c. Mitochondria are able to survive outside the cell. d. Mitochondria have linear DNA chromosomes.
All of the bones in the body, except the flat bones of the skull, mandible, and clavicles, are formed by which of the following mechanisms?
a. periostomic ossification b. intramembranous ossification c. endochondral ossification d. osteoprogenitor ossification