Everyday Science MCQs

5120 MCQs  (Page 94 of 512)

The one that stores calcium is __________?
A. Sarcolemma
B. Sarcoplasm
C. Sarcoplasmic reticulum
D. Cytosol
Which one of the following is most likely to occur in an animal during winter?
A. Activation of sweat glands
B. Dilation of skin blood vessels
C. Panting
D. Thermogenesis
Sleep movements are a type of___________?
A. Turgor movements
B. Growth movements
C. Tactic movements
D. Paratonic movments
The cells present in testes and secrete testosterone are___________?
A. Sertoli cells
B. Germinal cell
C. Interstitial cells
D. Spermatocyte