To which of the following organic groups does DNA belong?
A. Nucleic acid
B. Carbohydrate
C. Lipid
D. Protein
E. Vitamin
Answer: A
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Which of the following statements is correct with respect to the sites of synthesis of B and T cells?
A) In bony fish, B cells are produced in the kidney or spleen. B) In most vertebrates, B cells are produced in body cells, but in different locations of the body. C) Jawless fish produce T cells in the thymus. D) Bony and cartilaginous fish produce T cells in the gill region, referred to as the thymoids.
Nociceptors adapt slowly to pain
Indicate whether the statement is true or false
The layers of boney matrix surrounding the blood vessel in an osteon are know as ____.
a) lacunae b) trabeculae c) canaliculi d) lamellae
The attachment of a skeletal muscle that moves when the muscle contracts is the:
a. origin b. insertion c. aponeurosis d. central tendon