Answer:
Active uptake.
Explanation:
This phosphate active uptake is mantained mainly by two systems: Pst system, which is only used in situations of phosphorus deficiency, when the level of the external Pi (inorganic phosphate) is lower than 20 micromolar. The Pit system is used constitutively, it means, at all time. These systems relies in several membrane proteins.
Birth control can prevent that. Such as condoms or diaphragms.
"They are made of DNA. Ribosomes are cellular components that manufacture proteins from amino acids but they are NOT made of DNA."
Hope helps!-Aparri
Answer:pencil life cycle is way different because as you know they make pencils from wood which is trees so they have to grow the trees first.
Explanation: