Aug 19, 2025 · An atomic nucleus is a positively charged core of an atom, containing protons and neutrons. The correct statement that describes an atomic nucleus is: An atomic nucleus contains …

Mar 8, 2023 · Therefore, the nucleus of the isotope 238U contains 92 protons and 146 neutrons. It's important to note that in a neutral atom, the number of electrons is equal to the number of protons. …

Aug 21, 2025 · The atomic nucleus is the central part of an atom, made up of protons and neutrons. It determines the element and plays a crucial role in atomic mass and stability. The number of protons …

Mar 6, 2024 · The statement that describes the domain archaea is "Single-celled, no nucleus, DNA floats throughout the cell, found only in extreme environments." This indicates that archaea are …

Oct 26, 2024 · In contrast, the nucleus model visualizes the atom more like a small solar system, where the sun represents the dense nucleus, and the planets represent the electrons orbiting around it. …

Nov 20, 2024 · UCP1, the uncoupling protein located in the inner mitochondrial membrane, is encoded by a gene in the nucleus of the cell, rather than being encoded in the mitochondrial genome. Indeed, …

Jun 14, 2022 · Instead of a nucleus, their genetic material (DNA) is located in a region called the nucleoid, which is not membrane-bound. B. Amoeba - Amoebas are eukaryotic organisms, which …

Feb 4, 2025 · Nucleus - This is also found in eukaryotic cells, serving as the control center of the cell. Ribosomes - These are the only organelles present in all cell types, including prokaryotic cells (such …

Sep 24, 2019 · In scientific discussions about atomic structure, it is widely accepted that protons and neutrons reside in the nucleus and account for the majority of an atom's mass, while electrons, which …

Apr 3, 2017 · In summary, while Rutherford's model focused on the nucleus and the orbits of electrons, Bohr's model introduced the crucial idea of energy levels, which describes the specific allowed …