The typical lesion of primary syphilis is
A) purulent sore throat.
B) a generalized rash.
C) the development of buboes in the lymph nodes at the site of infection.
D) a painless reddened lesion called a chancre at the site of infection.
E) gummas in bones, in nervous tissues, or on the skin.
D
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What type of inheritance pattern does achondroplasia exhibit?
a. Autosomal recessive b. Autosomal dominant c. X-linked recessive
Translocation occurs when:a
part of a chromosome breaks off and attaches to a nonhomologous chromosome. b. part of a chromosome breaks off and attaches to a homologous chromosome. c. crossing-over events occur. d. genes move from one area on a chromosome to another area on the same chromosome. e. a Y chromosome replaces an X chromosome in a female cell.
Which of the following is TRUE in the Watson-Crick model of DNA?
A) Four different types of bases are found in DNA. B) Phosphate groups always bond to ribose. C) Ribose always bonds to a nitrogenous base. D) The number of adenines equals the number of guanines. E) During replication, the phosphate groups are copied but the base sequence is not copied.
The fermentation of 1 glucose yields a NET ATP production of
What will be an ideal response?