Why are mitochondria so prevalent in skeletal muscle?
A) They give the muscle enough elasticity to contract.
B) They are needed to repair damaged tissue that accumulates during exercise.
C) They are needed to provide energy for muscle contraction.
D) Bones and muscles require a great deal of energy to prevent them from separating.
E) The flow of blood is greatest in skeletal muscle.
C) They are needed to provide energy for muscle contraction.
You might also like to view...
What function do collagen and elastin have in arteries?
A. They provide elastic rebound of the arterial wall to help smooth out blood flow. B. They help to control blood flow within the body by contracting with the smooth muscles in the arterial wall. C. They line the interior to provide a smooth surface for blood flow. D. They form valves to prevent the backflow of blood. E. All of the answer options are correct.
Humans may contact psittacosis by
A. handling infected birds. B. handling infected birds and the dried excreta of birds. C. consuming undercooked chicken. D. inhaling excreta of dried birds.
In sea urchin embryogenesis, the mouth is formed ____
a. where the archenteron contacts the ectoderm b. by the blastopore c. by the blastocoel d. by migrating secondary mesenchyme cells e. where the blastopore contacts the ectoderm
The evolution of flowers and insects is an example of ____
a. parallel evolution b. homologous species c. coevolved species d. convergent evolution e. divergent evolution