Answer:
Support, movement, protection, blood cell production, calcium storage and endocrine regulation
Explanation: that’s what makes us survive.
Activational effect is the correct answer.
Activational effect is an impermanent hormonal effect that leads to a change in physiological activity or behavior in both humans and adult animals. For instance, when testosterone levels rise in male songbirds they become more aggressive and tend to engage in courtship behavior. Also, a pregnant woman may get more emotional than usual due to an extra level of progesterone and estrogen during pregnancy.
A holdfast is a root-like structure that anchors aquatic sessile organisms, such as seaweed, other sessile algae, stalked crinoids, benthic cnidarians, and sponges, to the substrate.
Try using this website to answer your question
https://www.wiley.com/college/boyer/0470003790/structure/tRNA/trna_text.htm
