Which of the following best describes the term Z line?
A) protein that accounts for elasticity of resting muscle
B) repeating unit of striated myofibrils
C) thin filaments are anchored here
D) storage site for calcium ions
E) largely made of
C) thin filaments are anchored here
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The muscle or group responsible for adduction of the toes is the
A. plantar interossei. B. dorsal interossei. C. quadratus plantae. D. flexor hallucis brevis. E. adductor hallucis.
Identify the scrotum in the following figure
A) A B) B C) C D) D E) E
Which of these is the correct sequence from simple to more complex?
A) Carbon, nitrogenous base, nucleotide, DNA, chromatin B) Carbon, nucleotide, nitrogenous base, chromatin, DNA C) Chromatin, carbon, nucleotide, nitrogenous base, DNA D) Carbon, nitrogenous base, nucleotide, chromatin, DNA E) Chromatin, DNA, nucleotide, nitrogenous base, carbon
What is all of the DNA in a set of 23 chromosomes referred to as?
A) The karyotype B) The genome C) A chromatid D) A centromere E) The phenotype