Table of Contents
What is the basic chemical composition of all cells?
Cells are composed of water, inorganic ions, and carbon-containing (organic) molecules. Water is the most abundant molecule in cells, accounting for 70\% or more of total cell mass. Consequently, the interactions between water and the other constituents of cells are of central importance in biological chemistry.
What atoms are cells made of?
Cells are largely composed of compounds that contain carbon. The study of how carbon atoms interact with other atoms in molecular compounds forms the basis of the field of organic chemistry and plays a large role in understanding the basic functions of cells.
Do all cells have the same basic chemical composition?
all living cells arise from pre-existing cells by division, the cell is the fundamental unit of structure and function in all living organisms, all cells are basically the same in chemical composition in organisms of similar species.
What do all cells have?
All cells share four common components: 1) a plasma membrane, an outer covering that separates the cell’s interior from its surrounding environment; 2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; 3) DNA, the genetic material of the cell; and 4) ribosomes.
Are humans also made of atoms?
About 99 percent of your body is made up of atoms of hydrogen, carbon, nitrogen and oxygen. You also contain much smaller amounts of the other elements that are essential for life. The hydrogen atoms in you were produced in the big bang, and the carbon, nitrogen and oxygen atoms were made in burning stars.
Is everything made of molecules?
Things that are matter include stars, air, water, tables, chairs, trees, your body, your brain, and pretty much everything that you see around you. All of these things are made up of molecules – but molecules aren’t the smallest pieces of matter, because every molecule is made up of even smaller pieces called atoms.
Which of the following is a way in which elements and compound are similar?
Elements and compounds are similar in that they are both made of atoms and in some cases molecules.