Answer:
Carbon dioxide or nitrogen
hopefully its carbon dioxide u can try
to check if it is. Sorry
Endocrine and circulatory (C) Endocrine system consists of glands and the hormones they secrete whist the circulatory system is the blood or as I like to call the “transport system” of the body.
Answer:
For the first question I think it's C - The mRNA was not bound by a ribosome. I'm not 100% sure sorry if I'm wrong. I tried my best to figure it out.
Explanation:
For question two I think it's C- Replication replacing an amino group. I'm not 100% sure sorry if I'm wrong. I tired my best to figure it out.
Living organisms can be divided into 5 kingdoms,
- Prokaryotae
- Protoctisia
- Fungi
- Plantae
- Animalia
Of the list I have provided, the Animalia kingdom contains cells that lack cell walls!
C. Protons and electrons must be equal as protons have a + charge and electrons are - so they cancel out
