Which of the following statements about Marfan's syndrome is false?
A) It results in short, stubby fingers.
B) It results from a mutation.
C) It affects connective tissue genes.
D) It affects epiphyseal cartilages.
E) None of the answers is correct.
Answer: A
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Examination of a sample of glandular cells reveals an extensive network of smooth endoplasmic reticulum. Which of the following would be a likely product of these cells?
A) transport proteins B) protein (peptide) hormones C) digestive enzymes D) antibodies E) steroid hormones
Which of the following describes the layering, in order from top to bottom, of a test tube of blood that has been “spun down” in a centrifuge?
a. plasma, red blood cells, buffy coat b. buffy coat, plasma, red blood cells c. plasma, buffy coat, red blood cells d. red blood cells, buffy coat, plasma
Poison ivy toxin does not harm the skin on contact, but it activates T cells specific for the toxin, including formation of a memory component
a. True b. False Indicate whether the statement is true or false
How many "letters" of an RNA molecule, in sequence, does it take to provide the code for a single amino acid?
What will be an ideal response?