What is the anatomical name for the combination of cisternae and a transverse tubule?
A) sarcoplasmic reticulum
B) sarcolemma
C) triad
D) Z line
C
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Which of the following is the correct mRNA produced from the transcription of this DNA molecule?
A. 5'-AUGAUCGGAUCGAUCCAU-3' B. 3'-AUGAUCGGAUCGAUCCAU-5' C. 5'-UACUAGCCUAGCUAGGUA-3' D. 3'-UACUAGCCUAGCUAGGUA-5'
Which of the following statements concerning the pancreas is true?
A. The endocrine portion of the gland is called the zona reticularis. B. The pancreas is located above the liver. C. Alpha and beta cells are associated with the acini. D. Most of the hormones produced by the pancreas flow into the pancreatic duct. E. Both glucagon and insulin are produced in the pancreatic islets.
The nucleotide sequence of three mRNA codons is AUU-GCA-CUA. What is the complementary anticodon sequence for the second codon?
A) GCT B) CGT C) ATU D) UUT E) CGU
Hemophilia is a disorder in which bleeding is severe and prolonged due to a lack of clotting factor VIII. The factor activation cascade is interrupted at the Factor IX activation step. Which pathway is inhibited by this interruption?
A. The prothrombin clotting mechanism B. The Hageman mechanism C. The intrinsic clotting mechanism D. The extrinsic clotting mechanism