How would muscle contractions be affected if skeletal muscle fibers did not have T-tubules?

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino

What condition is kept close to its set point in osmoregulation? a. body temperature b. platelet count c. blood glucose level d. water balance

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient