I need help ASAP , so I hope you answer this question.

According to cell theory; which structures carry out the basic function of living things? a. atoms b. organs c. cells b. nuclei

Which chemical reaction shows photosynthesis? a. water + carbon dioxide + sunlight → oxygen + glucose b. carbon + oxygen → carbon dioxide c. hydrogen + oxygen → water d. nitrogen + hydrogen → ammonia

Decide whether each statement about hormones is true or false. homeostasis is regulated by two systems; the nervous system and the endocrine system. hormones released by the endocrine system are secreted through ducts. steroid hormones bind to receptors on the surface of a cell. hormones affect almost all cells and processes. peptide hormones travel to the nucleus of a cell.