All eukaryotic cells have within them a variety of different structures called organelles.
Cytoplasm. The cytoplasm comprises cytosol (the gel-like substance enclosed within the cell membrane) – and the organelles – the cell 's internal sub-structures. All of the contents of the cells of prokaryote organisms (such as bacteria, which lack a cell nucleus) are contained within the c All eukaryotic cells have within them a variety of different structures called organelles. Organelles are small and function much like organs function in a large organism. Some organelles are responsible for gathering cell energy, others for controlling cell activities. Although some animal cells have this organelle, most of them are small. However, in plant cells, vacuoles are often very large and often take up much of the space in the cell. They hold water, food, or waste for the cells. The answer is the cytoplasm Explanation.. Cytoplasm is the substance between the cell membrane and the nucleus which primarily consists of water and holds organelles. ------- … ------------------------------------------------------------. 6 people found this useful. Nucleus-holds genomic DNA in eukaryotes. The nucleus is the most  conspicuous organelle found in a eukaryotic cell. It houses the  cell's chromosomes and is the place wher … e almost all DNA  replication and RNA synthesis occur. JD Heyl. Cytoplasm. Cytoplasm is a jelly-like substance made mostly of water, and dissolved substances that holds all of the organelles in place. Everything inside the cell floats in the cytoplasm. Both plants and animals contain cytoplasm in their cells to hold everything in place! Cell Wall. Cell walls are found only in plant cells. The main functions of the cell wall include supporting, protecting, and maintaining the shape of the plant cell. The cell wall is the outermost layer of the plant cell. Cell walls are porous to allow water, carbon dioxide, and other substances to pass through. The nucleus is one of the most important organelles in a cell. It is often the largest organelle in animal cells, but this is not always the case. Nuclei contain the genetic material called DNA that is responsible for controlling and directing all cell activities. Although some animal cells have this organelle, most of them are small. However, in plant cells, vacuoles are often very large and often take up much of the space in the cell. They hold water, food, or waste for the cells. The Cytoplasm is the gel-like substance that fills the cell outside the nucleus. All of the cell's organelles are held and located within the cytoplasm. There are many different chemicals, nucleic acids, and other substances that the cell needs can be found there also. It supports the cell and gives it shape. Although some animal cells have this organelle, most of them are small. However, in plant cells, vacuoles are often very large and often take up much of the space in the cell. They hold water, food, or waste for the cells. Which of the following is a substance that is found between the cell membrane and the nucleus which primarily consists of water and holds organelles? The answer is the cytoplasm Explanation.. Cytoplasm is the substance between the cell membrane and the nucleus which primarily consists of water and holds organelles. ------- … ------------------------------------------------------------. CYTOPLASM. Structure-The jelly-like substance composed of mainly water and found between the cell membrane and nucleus. The cytoplasm makes up most of the body of a cell and is constantly streaming. Function-Organelles are found here and substances like salts may be dissolved in the cytoplasm.  Report Abuse. The name of the fluid is cytoplasm-this is a jelly-like substance that surrounds the nucleus of a cell and is sometimes described as the cell-matrix. It holds the organelles in place within the cell. It is largely made up of water. Source(s): http://www.kcl.ac.uk/kis/schools/life_sc... 
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the substance found in cells which hold the organelles is called