What is the white opaque "moon" often found at the proximal end of a fingernail called?
A) Nail root
B) Eponychium
C) Free edge
D) Nail body
E) Lunule
E
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Why are inguinal hernias generally associated with males?
A) Males have a gene on the Y chromosome that codes for inguinal hernia, whereas women do not have the Y chromosome. B) Women have a thicker set of skeletal muscles in the abdominal wall compared to men. C) Males work more strenuously than women, thereby damaging the abdominal wall. D) Males have a canal through the abdominal wall that the testes move through, and it often does not close up properly. E) The groin area is genetically weaker in men than in women because of the presence of the penis and testes.
During the synthesis of proteins, amino acids are assembled in the proper sequence because the tRNA molecules that bring them to the ribosome have a(n) ________ that is complementary to a specific codon in the mRNA.
Fill in the blank(s) with the appropriate word(s).
Neurons that have only two processes attached to the cell body are called
a. unipolar. b. bipolar. c. multipolar. d. efferent.
Answer the following questions true (T) or false (F)
1. Vesicles known as melanosomes are taken into the cytosol of keratinocytes by endocytosis. The melanosome is transported to the superficial side of the keratinocyte to shield its nucleus. 2. Carotene and hemoglobin are two pigments that contribute to skin color in minor ways. 3. Hairs grow from cells in the matrix of the root that are still undergoing keratinization.