Internal structures of a cell that carry out specialized metabolic tasks are called ________.
A. cytoskeletal elements
B. organelles
C. enzymes
D. ribosomes
Answer: B
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How is it possible to change the pitch of our voice from high to low?
What will be an ideal response?
Pacemaker activity that establishes the rhythmicity of breathing resides in the
a. lung tissue. b. respiratory muscles. c. Pre-Botzinger complex d. phrenic nerve. e. reciprocal relationship between the inspiratory and expiratory neurons of the ventral respiratory group.
match each head of the quadriceps femoris with its correct skeletal attachment. vastus lateralis; vastus intermedius; vastus medialis; rectus formis. anterior inferior iliac spine, margin of acetabulum; femur: greater trochanter, intertrochanteric line, gluteal tuberosity, linea aspera; femur: intertrochanteric line, spiral line, linea aspera, medial supracondylar line; anterior and lateral shaft of femur
What will be an ideal response?
Which of the following is involved in the coloring of the skin?
A) lamellated corpuscles B) Merkel cells C) Ruffini corpuscles D) tactile corpuscles E) melanocytes