this image shows a section of the testis and scrotal contents. what does 2 represent?
What will be an ideal response?
ductus (vas) deferens
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The two codons for glutamine are CAA and CAG. Which one of the following is likely to be the anticodon of a tRNA that is specific for glutamine?
A. GUC B. CGU C. CUG D. GCU
Which of the following ECM molecules provides tensile strength?
A. fibronectin B. collagen C. laminin D. elastin E. proteoglycan
Coral reefs consist of __________ polyps, which duplicate via __________ reproduction
a. identical; asexual b. identical; sexual c. unique; asexual d. unique; sexual
How do polypeptide drugs work?
A) They target the 50S subunit of prokaryotic ribosomes to block protein synthesis. B) They target the DNA replication enzymes DNA gyrase and topoisomerases. C) They act as competitive inhibitors of folic acid production. D) They interact with lipopolysaccharide and destabilize the outer membrane of the Gram-negative cell wall where they can then further destabilize the plasma membrane to cause cytoplasmic leakage and cell lysis. E) They work by inhibiting transpeptidase enzymes that are central to building peptidoglycan by forming the protein crosslinks that bind peptidoglycan's carbohydrate chains together in a chain link fence-like structure.