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 …

Aug 17, 2020 · The nucleus controls cell activities by housing genetic material, ribosomes are essential for protein synthesis, the endoplasmic reticulum synthesizes and transports proteins and lipids, and …

Nov 14, 2024 · A nucleus that has a greater mass number than the starting materials. This accurately reflects that the process of nuclear fusion results in a heavier nucleus being formed from lighter nuclei.

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. …

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. …

Jun 20, 2025 · The atomic nucleus is positively charged because it is made up of protons, which have a positive charge. Neutrons are neutral and do not contribute to the nucleus's charge. Electrons are …

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 …

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 …

Jun 29, 2025 · This fundamental characteristic distinguishes them from eukaryotic cells, which do possess a true nucleus and other organelles. True Nucleus: Prokaryotic cells do not have a defined …

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 …