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How do materials enter and leave the nucleus?
Materials enter and leave the nucleus through nuclear pore complexes in the nuclear envelope. Large molecules, such as proteins and RNA, are actively transported into and out of the nucleus through these pores using specific transport proteins. Small molecules, like ions and small proteins, can freely diffuse through the pores.
What particles are never present in an atom?
Particles that are never present in an atom include free electrons (outside the nucleus), neutrinos, and positrons. These particles do not form part of the structure of the atom itself.
What is deoxyribonucleci acid?
DNA(deoxyribonucleic acid)directs a cell's activities by specifying the structures of its proteins and by regulating which proteins and how much are produced, and where. In so doing, it never leaves the nucleus. Its basically the blueprints for everything in your body.
What is the center of the atom where protons and neutrons are?
The center of the atom, where protons and neutrons are located, is called the nucleus. It contains most of the mass of the atom and is positively charged. The electrons orbit around the nucleus in energy levels.
What is the center of an atom called?
The center of an atom is called a nucleus (nucleifor plural).Center of an atom is called the "Nucleus".
What nucleic acid never leaves the nucleus of a cell?
DNA
Where does RNA go when it leaves the nucleus?
it goes to the nucleus
What organelle controls what enters and leaves the nucleus?
nuclear ,membrane
What surrounds the nucleus and controls what enters and leaves the nucleus?
The nucleolus .
Does moss leaves have nucleus I don't know?
Each and every plant on planet earth consists of nucleus. Therefore, Moss leaves also have a nucleus which becomes a degenerated nuclei at the time of maturity.
How are proteins assembled without DNA leaving the nucleus?
DNA indeed never leaves the nucleus. Instead, activated genes get transcribed by RNA polymerase, producing an RNA copy of the gene. The RNA gets processed (capped, spliced) and becomes a mature messenger RNA (mRNA). The mRNA leaves the nucleus and sooner or later attaches to a ribosome. This will translate the information encoded in it into a protein.
What leaves the nucleus and moves to the cytoplasm?
protein
What happens to the identity of the atom when an electron leaves the nucleus?
Electrons are not part of the atomic nucleus.
Where does mRNA go after it leaves the nucleus?
After mRNA leaves the nucleus, it travels to the ribosomes in the cytoplasm where it is used as a template to make proteins through a process called translation.
What leaves but never comes and What comes but never leaves?
Tomorrow
What organelle copies DNA?
The nucleus is the organelle responsible for copying DNA through a process called DNA replication. This essential process ensures that each new cell receives an accurate copy of the genetic information stored in the DNA molecules.
What surrounds the nucleus and controls and what enters and leaves it?
The nucleolus .
