The two proteins directly involved in muscle contraction are broadly called . During an exercise where muscles do not shorten, contractions have occurred. a. has an affinity for myosin binding sites in the absence of calcium. b. is a missing protein in Duschenne's muscular dystrophy. c. The cell membrane of a muscle fiber is the .

the cytokine-activated janus kinase (jak)-signal transducer and activator of transcription (stat) pathway has an important role in the control of immune responses. dysregulation of jak-stat signaling is associated with various immune disorders.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602

answer; incomplete dominance;