Cardiac muscle cells have a higher concentration of mitochondria than
skeletal muscle cells. what does the difference in mitochondrial
concentration most likely indicate about cardiac muscle cells compared
with skeletal muscle cells? (why do they have more mitochondria? )

Which two molecules do green plants use to make glucose? o a. nitrogen and water o b. hydrogen and oxygen o c. carbon dioxide and water o d. methane and iron oxide

1) strawberry plants typically reproduce by making runners, which are miniature versions of themselves, that grow off of the roots and stems of the parent. this type of vegetative reproduction is known as a) pollination. b) fragmentation. c) binary fission. d) vegetative propogation.

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things