Quick Answer: What Is The Definition Of Cell?

What are the 7 functions of a cell?

1: Movement (muscle cells) 2: Conductivity (nerve cells) 3: Metabolic absorption (kidney and intestinal cells) 4: Secretion (mucous gland cells) 5: Excretion (all cells) 6: Respiration (all cells) 7: Reproduction (all cells) MedicTests.com..

What is the smallest cell in the human body?

spermThe sperm is the smallest cell in human biology, but also one of the most complex. The egg meanwhile is the largest cell and similarly intricate. Looking further out into the natural world, the diversity of these sex cells, or gametes, is truly remarkable. Most species have two gametes, which we term male and female.

How a cell is formed?

New cells are created from existing cells through a process referred to as the cell cycle. One cell can make a copy of itself and form two new daughter cells. There are two major tasks that have to happen every cell cycle. First, cells have to make an exact copy of their DNA.

What is the best definition of cell?

The cell (from Latin cella, meaning “small room”) is the basic structural, functional, and biological unit of all known organisms. A cell is the smallest unit of life. … Cells consist of cytoplasm enclosed within a membrane, which contains many biomolecules such as proteins and nucleic acids.

What is the main function of a cell?

Cells provide six main functions. They provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions and aid in reproduction.

What type of word is cell?

Word forms: plural cells. 1. countable noun. A cell is the smallest part of an animal or plant that is able to function independently.

What is a simple definition of a cell?

Cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, such as a bacterium or yeast. Other cells acquire specialized functions as they mature.

What is cell short answer?

“A cell is defined as the smallest, basic unit of life that is responsible for all of life’s processes.” Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.

What is the another name of cell?

0. 1. Find another word for cell. In this page you can discover 105 synonyms, antonyms, idiomatic expressions, and related words for cell, like: egg, receptacle, compartment, corpuscle, microorganism, organism, cytoplasm, vacuole, protoplast, embryo and germ.

What is an example of cell?

Trees in a forest, fish in a river, horseflies on a farm, lemurs in the jungle, reeds in a pond, worms in the soil — all these plants and animals are made of the building blocks we call cells. Like these examples, many living things consist of vast numbers of cells working in concert with one another.

What is a cell in one word?

A cell is defined as the smallest unit of an organism with a nucleus. An example of a cell is a unit in the tissue of an animal muscle.

What is human cell?

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. … Cells have many parts, each with a different function.

What are the 4 types of cells?

The Four Main Types of CellsEpithelial Cells. These cells are tightly attached to one another. … Nerve Cells. These cells are specialized for communication. … Muscle Cells. These cells are specialized for contraction. … Connective Tissue Cells.

What is inside a cell?

Inside a Cell A cell consists of a nucleus and cytoplasm and is contained within the cell membrane, which regulates what passes in and out. The nucleus contains chromosomes, which are the cell’s genetic material, and a nucleolus, which produces ribosomes. … The endoplasmic reticulum transports materials within the cell.

What is Prokarya?

also pro·car·y·ote (prō-kăr′ē-ōt′) Any of various microorganisms of the domains Archaea and Bacteria, characterized by the absence of a distinct membrane-bound nucleus and membrane-bound organelles and by the simultaneous occurrence of DNA transcription and protein synthesis at the same site, in contrast to eukaryotes.