which of the following statements about codons are true?
a) every codon codes for an amino acid
b) a codon is a three-base sequence of mRNA
c) the genetic code is expressed as a sequence of codons
d) a codon is a three-base sequence of tRNA
b) a codon is a three-base sequence of mRNA
c) the genetic code is expressed as a sequence of codons
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Each gustatory cell extends ________ (called taste hairs) into the surrounding fluids through a narrow taste pore
A) microvilli B) villi C) papillae D) palpebra E) G proteins
The thumb possesses a saddle joint where each articular surface has both a concave and a convex surface.
What will be an ideal response?
If a bone fractured in the shaft, what part of the bone would be broken?
A) epiphysis B) diaphysis C) metaphysis D) articular cartilage
Which of the following is NOT true of a myofibril?
A. Thin myofilaments consist of actin, troponin, and tropomyosin. B. Thick myofilaments consist of myosin. C. Elastic filaments are composed of titin. D. Myofibrils are composed of muscle fibers. E. All of these are true of myofibrils.