How to stop overthinking?​

What is the next step in muscle contraction after the actin changes shape? (apex)

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids

What is a dendrite and what does it do?