Calcium is removed from the cytosol of cardiac muscle cells by group of answer choices:

(a) ca2+ atpases in the sarcoplasmic reticulum
(b) ca2+/na+ exchangers in the plasma membrane
(c) ca2+ atpases in the plasma membrane
(d) ca2+ channels in the sarcoplasmic reticulum

An example of what is geese flying south for the

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Emmet didn’t want to weed the garden. he put off the task toward the end of the day. he even tried to get his sister to do the job. what type of goal orientation did emmet display toward weeding the garden?