What Is The Most Complex Cell


What type of cell is the most complex?

eukaryotic cells

Like prokaryotic cells all eukaryotic cells are surrounded by plasma membranes and contain ribosomes. However eukaryotic cells are much more complex and contain a nucleus a variety of cytoplasmic organelles and a cytoskeleton (Figure 1.7).

Is a cell more complex?

The cell is the most complex and most elegantly designed system man has ever witnessed. … The reason is that organic molecules are so complex that their formation cannot possibly be explained as being coincidental and it is manifestly impossible for an organic cell to have been formed by chance.

What is a complex organism?

A complex organism contains multiple organ systems with different functions. Multiple organisms of a single species may form a group called a population. Many populations of different species form diverse communities and communities that share the same geographical space are part of a larger ecosystem.

How are cells so complex?

To become more complex cells need more genes and more proteins – and so they need to get bigger. … This is a major problem because simple cells generate the energy they need using the membrane that encloses them. Lane and Martin calculate that if a bacterium grew to the size of a complex cell it would run out of juice.

Which cell is more complex plant or animal?

It seems as though the plant cells are more complex because it has more structures like the cell wall and chloroplast as taught in your studies. … The plant cell can also do things that the animal cell can’t. For example the plant cell can manufacture its own food via photosynthesis with the chloroplast.

What is the most complex unit of life?

Figure 3.2. 1: The cell is structurally and functionally complex. Although we defined the cell as the “most basic” unit of life it is structurally and functionally complex (Figure 3.2.

Organ System Organ Components Major Function
Skeletal bones tendons ligaments joints Structure and support

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What is more complex cell or tissue?

Tissues. Tissues are somewhat more complex units than cells. By definition a tissue is an organization of a great many similar cells with varying amounts and kinds of nonliving intercellular substance between them.

Is the human body the most complex?

The brain is the most complex organ in the human body. It produces our every thought action memory feeling and experience of the world. This jelly-like mass of tissue weighing in at around 1.4 kilograms contains a staggering one hundred billion nerve cells or neurons.

What is the most complex tissue in the body and why?

NERVE TISSUE Nerve tissue is the most complex tissue in the body. It is the substance of the brain spinal cord and nerves. Nerve tissue requires more oxygen and nutrients than any other body tissue.

Why cells are highly complex and organized?

Cells Are Highly Complex and Organized:

Each type of cell has a consistent appearance when viewed under a high-powered electron microscope that is its organelles have a particular shape and location from one individual of a species to another.

What is the least complex organism?

Sci 7 – Cell specialization
cell the smallest least complex structure in an organism
the order from simplest to most complex cell tissue organ organ system organism
the order from most complex to least complex organism organ system organ tissue cell
cell specialization each cell is designed for a specific function

Are all organisms complex?


Living things are highly organized meaning they contain specialized coordinated parts. All living organisms are made up of one or more cells which are considered the fundamental units of life. Even unicellular organisms are complex!

Are cells the least complex?

The major levels of organization in the body from the simplest to the most complex are: atoms molecules organelles cells tissues organs organ systems and the human organism. See below Figure 1.1.

Which type of cell is more complex prokaryotic or eukaryotic?

Eukaryotic cells

Eukaryotic cells are much more complicated than those of prokaryotes. They are packed with a fascinating array of subcellular structures that play important roles in energy balance metabolism and gene expression.

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Did life evolve only once?

IN 4.5 billion years of Earthly history life as we know it arose just once. … Rather than springing into existence just once in some chemically blessed primordial pond life may have had many origins.

What does a centrosome look like?

Centrosomes are made up of two barrel-shaped clusters of microtubules called “centrioles” and a complex of proteins that help additional microtubules to form. This complex is also known as the microtubule-organizing center (MTOC) since it helps organize the spindle fibers during mitosis.

Why is animal cell complex?

The animal kingdom is unique among eukaryotic organisms because most animal tissues are bound together in an extracellular matrix by a triple helix of protein known as collagen. Plant and fungal cells are bound together in tissues or aggregations by other molecules such as pectin.

Do animal cells have a vacuole?

Vacuoles are membrane-bound organelles that can be found in both animals and plants. … The vacuoles are quite common in plants and animals and humans have some of those vacuoles as well.

What is the largest type of cell?

The largest cells is an egg cell of ostrich. The longest cell is the nerve cell. The largest cell in the human body is female ovum.

Which is the largest known single cell?

Biologists used the world’s largest single-celled organism an aquatic alga called Caulerpa taxifolia to study the nature of structure and form in plants. It is a single cell that can grow to a length of six to twelve inches.

What is the most abundant substance in living cells?

Water is the most abundant molecule in cells accounting for 70% or more of total cell mass.

Which example has the most complex level of cellular organization?

organismal level

The urinary system is one of the eleven body systems that can be examined using systemic anatomy. The most complex level of organization is the organismal level where all eleven organ systems function in the human organism the whole living person.

What is the second most complex system in the body?

They’re 100 times more powerful than necessary. After the brain your eyes are the second most complex organ in your body.

Is an organelle smaller than a cell?

Expert Answers

Organelles are the substructures (such as mitochondria and chloroplasts) inside cells that perform particular functions. They are therefore smaller than cells.

Is the brain the most complex?

The brain is the last and grandest biological frontier the most complex thing we have yet discovered in our universe. It contains hundreds of billions of cells interlinked through trillions of connections.

How complex is the human eye?

The eye is one of our most important sensory organs – hardly any another organ is as complex. The human eye is capable of absorbing and instantly processing more than ten million pieces of information per second.

Which is the largest and most complex part of the brain *?


The forebrain is the largest and most complex part of the brain. It consists of the cerebrum — the area with all the folds and grooves typically seen in pictures of the brain — as well as other structures under it.

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Which is the most widespread and abundant tissue?

Connective tissue is the most abundant and the most widely distributed of the tissues. Connective tissues perform a variety of functions including support and protection.

Which of the following is the most complex and highly organized body system?

The nervous system

The nervous system is the most complex and highly organized body system. It receives information from the sensory organs via nerves transmits the information through the spinal cord and processes it in the brain.

Is the human body complex?

The human body is a complex highly organized structure made up of unique cells that work together to accomplish the specific functions necessary for sustaining life. Anatomy is organized by levels from the smallest components of cells to the largest organs and their relationships to other organs.

Are complex organisms made of more than one cell?


Compared to unicellular organisms multicellular are also more complex given that they are made up of different types of specialized cells that carry out different functions. A majority of animal species plants (on land) and fungi are multicellular organisms. These range from fungi human beings.

What are 4 levels of organization?

An organism is made up of four levels of organization: cells tissues organs and organ systems.

Which structure is most complex?

The human brain is the most complex structure in the universe.

What is least complex to most complex?

In order from least complex to most complex:
  • cells.
  • tissues.
  • organs.
  • organ systems.
  • organism.

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