Cadherins _______
(a) are used to transfer proteins from one cell to another
(b) mediate cell-cell attachments through homophilic interactions
(c) are abundant in the plant cell wall
(d) bind to collagen fibrils
Ans: (b) mediate cell-cell attachments through homophilic interactions
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a. convection b. evaporation c. conduction d. radiation e. collection
Lian, at 12 years old, was barely 3 feet tall. What hormone might she take to grow taller?
A) growth hormone B) estrogen C) aldosterone D) calcitonin
Which procedure is most associated with unsuccessful transformation and degradation of DNA?
A. Addition of DNA fragments from competent bacteria to live, noncompetent bacteria without artificial induction. B. Integration of DNA fragments in competent bacteria following naturally-occurring transformation. C. Naturally-occurring transformation with DNA fragments in competent bacteria. D. Induced transformation with plasmid DNA in noncompetent bacteria.
A protein is a ________ of amino acids.
A. monomer B. polymer C. bilayer D. solution E. decomposition product