Cells
Cells are the building blocks of all life. Humans are multicellular beings. The study of cells in called cytology. Ask questions here about the structure and function of cells.
Total questions 87500
Mg42 killer [18]
added Is cell sap vacuole found in plant or animal cells to Cells 42 minutes ago
Mattagosti [0]
wrote the first answer to What are non organelles in a cell 26 May 2012 19:45
ID1254561878
added What are non organelles in a cell to Cells 26 May 2012 19:44
Tayyankeelover [0]
added What are areas where cell division is easy to see to Cells 26 May 2012 19:25
The main difference is that plant cells have a cell wall as well as a cell membrane. Animal cells only have a cell membrane. ...
Popularity: 278 • Tools: Recategorize
It is within the cytoplasm that most cellular activities occur, such as many metabolic pathways including Glycolysis, and...
Popularity: 229 • Tools: Recategorize
Protista. However, not all members of the kingdom protista are unicellular. Some may be multicellular, or may even live in...
Popularity: 185 • Tools: Recategorize
Mitochondria is a cell organelle which provides the cell with energy in the form of ATP ( Adenosine triphosphate ) molecules by...
Popularity: 182 • Tools: Recategorize
the central vacuoles primary function is to transport water and minerals throughout each and every cell inside of a green plant.
Popularity: 151 • Tools: Recategorize
Xylem and phloem are the two types of antagonesic muscles in a plant, when one gives nutrients to the plant the other relaxes and...
Popularity: 147 • Tools: Recategorize
Genetic differences arise during meiosis due to crossing over , independent assortment and mutations , which result in variation .
Popularity: 147 • Tools: Recategorize
Smaller than the size of the nucleus.
Popularity: 145 • Tools: Recategorize
You have to be careful with this question, alcohol does not affect the permeability of the cell membrane. However alcohol...
Popularity: 141 • Tools: Recategorize
A human cheek cell contains the same organelles as any other mammal cell and just about the organelles of any animal. It doesn't...
Popularity: 141 • Tools: Recategorize
a good analogy for a cell wall is either a city wall which protects the city from attack and holds it together. or possibly a...
Popularity: 140 • Tools: Recategorize
Hepatocytes. "Hepato" refers to anything related to the liver.
Popularity: 140 • Tools: Recategorize
i) active transport, ii) passive transport, and iii) diffusion. Answer 2 Above given are processes of transport not factors...
Popularity: 139 • Tools: Recategorize
White blood cells possess a large nucleus as compared to other cells .
Popularity: 135 • Tools: Recategorize
Selective gene expression
Popularity: 133 • Tools: Recategorize
That is not one of their even-minor numerous functions.
Popularity: 133 • Tools: Recategorize
Carrier proteins is important in facilitated diffusion. Facilitated diffusion transports molecules from one area of higher...
Popularity: 132 • Tools: Recategorize
Everything that is alive on earth is made up of cells
Popularity: 131 • Tools: Recategorize
A specific Answer is "protein-spheroids: stacked in 'groups' like the spokes of a spiral staircase." Answer 2 Protein channels...
Popularity: 131 • Tools: Recategorize
there are more than 3. 1) osmoregulation 2) passage of substances 3) plasmodesmata 4) structure 5) strength 6) maintating...
Popularity: 127 • Tools: Recategorize
It would be good to know if it was a plant or animal cell, but it usually is the vacuole.
Popularity: 126 • Tools: Recategorize
Because most living organisms have the need to release waste products. The inability to excrete waste might cause toxic effects,...
Popularity: 121 • Tools: Recategorize
Yes, exocytosis is one way of removing waste.Only some animals and protozoans can eliminate wastes by exocytosis .
Popularity: 120 • Tools: Recategorize
Neurons, muscles epithelial cells and connective tissues cells are4 basic types of cells while sperms and egg are specialized...
Popularity: 120 • Tools: Recategorize
Growth requires cell division which depends upon Mitosis. So anywhere within any organism where growth occurs is where mitosis is...
Popularity: 118 • Tools: Recategorize
The general equation for aerobic respiration is as follows:Organic compounds + Oxygen → Carbon dioxide + Water + EnergyUsually...
Popularity: 116 • Tools: Recategorize
I think you mean "Active Transport" The main differences between the two is that osmosis does not use energy and active transport...
Popularity: 116 • Tools: Recategorize
Somatic cells divide in order for organisms to grow and replace the cells that die.
Popularity: 115 • Tools: Recategorize
If the cytoplasm in the cell is moving.
Popularity: 114 • Tools: Recategorize
because it is made up of phospholipids that have hydrophillic (water loving) heads and hydrophobic(water fearing) tails which...
Popularity: 113 • Tools: Recategorize
Nucleolus( present in nucleus)
Popularity: 111 • Tools: Recategorize
The outside is red and the inside is pink.
Popularity: 110 • Tools: Recategorize
It packages things like proteins and other materials for transport and distribution either somewhere else inside the cell or...
Popularity: 105 • Tools: Recategorize
Yes, it is possible for a Eukaryotic cell to have no nucleus. An example of a cell without a nucleus is the mammalian red blood...
Popularity: 103 • Tools: Recategorize
The purpose of the xylem is to transport water from root to leaves through stem . Most of the water is moved up the xylem through...
Popularity: 100 • Tools: Recategorize
A protoza would not be an example
Popularity: 99 • Tools: Recategorize
Prokaryotic cells: Most primitive, earliest form of life Do not have a pre-defined nucleus Chromosomes are dispersed in the...
Popularity: 98 • Tools: Recategorize
Some free floating organelles can move in cell as free ribosomes , mitochondria but E.R. etc. can't
Popularity: 98 • Tools: Recategorize
The mitochondria, more specifically in the matrix and cristae of the mitochondria.
Popularity: 97 • Tools: Recategorize
Ribosomes are the sites of protein synthesis, where RNA is translated into protein. When cells need large numbers of proteins,...
Popularity: 96 • Tools: Recategorize
Centrioles are organelles present in animal cells . Plant cells lack centrioles but possess an analogous region called...
Popularity: 96 • Tools: Recategorize
The mitochondria provides energy for the cell. They are known as the powerhouse of the cell because they provide the location for...
Popularity: 92 • Tools: Recategorize
Prokaryotic cells . RBC of mammals and Sieve tube cells of plants .
Popularity: 92 • Tools: Recategorize
It is easy ..... You can not do so :)
Popularity: 91 • Tools: Recategorize
Molecules are basically a series of atoms strung together. This means that, wherever there are many atoms of different elements...
Popularity: 89 • Tools: Recategorize
Cells are of two types Prokaryotic and Eukaryotic .Eukaryotic cells possess a well defined nucleus , E.R. , golgi bodies...
Popularity: 88 • Tools: Recategorize
yes.. the outer layer that is enclosing the cell is the cell membrane, and after the membrane is the rigid cell wall. this is to...
Popularity: 87 • Tools: Recategorize
It is a double-layered membrane enclosing the nucleus of a cell that controls what enters and leaves the nucleus. Also called...
Popularity: 86 • Tools: Recategorize
That depends on what kind of cell you are talking about. Like a fat cell, blood cell, or muscle cell. Also, a human cell is...
Popularity: 86 • Tools: Recategorize
A plant cell is not necessarily better than an animal cell.. they just have different organelles and properties that make them...
Popularity: 85 • Tools: Recategorize
Cell membranes serve for the same purpose in all cells. They control what enters and leaves a cell while providing structural...
Popularity: 85 • Tools: Recategorize
The size of the stomata.Prisoner cells.
Popularity: 85 • Tools: Recategorize
Many textbooks will compare a cell membrane to the fluid mosaic model, which means that the parts of the membrane (phospholipids,...
Popularity: 84 • Tools: Recategorize
Plant Cells: * have chloroplasts and use photosynthesis to produce food * have cell wall made of cellulose * A plant cell has...
Popularity: 83 • Tools: Recategorize
Eukaryotic cells have a true nucleus, bound by a double membrane. Prokaryotic cells have no nucleus. The purpose of the nucleus...
Popularity: 83 • Tools: Recategorize
It is and effect on a cell negatively. it can be multinuclearity, membrane blebbing, vacuolization, giantism and cellular...
Popularity: 83 • Tools: Recategorize
Popularity: 83 • Tools: Recategorize • Needs Answer
Ribosomes are found in the rough ER. But all in all, there is nothing 'always found', it depends what part you are looking at....
Popularity: 83 • Tools: Recategorize
The guest service booth
Popularity: 83 • Tools: Recategorize
The cell structure that is the gatekeeper in a cell is called the cell membrane.
Popularity: 82 • Tools: Recategorize
Blood cells are made in the bone marrow. Erythrocytes, or red blood cells, are constantly being produced and released from marrow...
Popularity: 81 • Tools: Recategorize
Yes. All living things have cells, and all plants have cell walls as the outer layer of the cell.
Popularity: 81 • Tools: Recategorize
Cell Biology Cell biology is the science of studying how cells function such as their reproduction metabolism, and their internal...
Popularity: 80 • Tools: Recategorize
something we will never know. :(
Popularity: 80 • Tools: Recategorize
Nonliving THINGS do not contain cells, however ALL THINGS, whether living or non-living, do contain atoms.
Popularity: 80 • Tools: Recategorize
Similarities: Cell membrane, mitochondria, ribosome, nucleus, endoplasmic reticulum, vacuole, cytoplasm Differences: Cell wall...
Popularity: 80 • Tools: Recategorize
Erythrocyte is the medical term meaning red blood cell. Erythrocytes are what red blood cells (RBCs) are called in medical terms....
Popularity: 80 • Tools: Recategorize
Smooth ER is like a factory, or processing plant, that makes fats and certain hormones (steroids), processes carbohydrates, and...
Popularity: 79 • Tools: Recategorize
No body can exist without Ribosomes.
Popularity: 79 • Tools: Recategorize
Well, as you know, the mitochondria are the producers of most of a cell's energy and the nucleolus creates ribosomes. The cell...
Popularity: 75 • Tools: Recategorize
The cytoplasm is a semi fluid material surrounding organelles; site of many cellular reactions. The Cytoplasm offers support to...
Popularity: 75 • Tools: Recategorize
Wrong voltage bulb Incomplete circuit Dead dry cell Burn'ed out bulb
Popularity: 72 • Tools: Recategorize
an anaiamal cell has a nucleus. its kinda like the brain of a cell. the nucleus is round and a plum purple color. the anwser is...
Popularity: 72 • Tools: Recategorize
fun, run, hun, dun, sun, gun
Popularity: 72 • Tools: Recategorize
Cytokinesis
Popularity: 71 • Tools: Recategorize
Sexual Reproduction is the process by which a new organism develops from joining of male sperm cell and a female egg cell....
Popularity: 70 • Tools: Recategorize
Plants cells have a cell wall over the cell membrane,whereas,animals cells lack cell wall. In plant cells, there is a single...
Popularity: 68 • Tools: Recategorize
A mature red blood cell is an example of prokaryotic cell.
Popularity: 68 • Tools: Recategorize
kase ang english ng kotse ay CAR!
Popularity: 68 • Tools: Recategorize
The Rough Endoplasmic Reticulum is in charge of making proteins and exporting proteins.
Popularity: 67 • Tools: Recategorize
Cell must copy its DNA before cell division so that every new cell has a copy of genome .
Popularity: 67 • Tools: Recategorize
The cell wall allows plant cells, like onion and elodea cells, have a more definite shape than animal cells like the cheek cells
Popularity: 67 • Tools: Recategorize
Nucleus of the Cell Think of it as the "Control Center" or "Headquarters" of the cell. The nucleus of the cell contains much of...
Popularity: 66 • Tools: Recategorize
MRS GREN is how to remember them, - Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion and Nutrition There...
Popularity: 65 • Tools: Recategorize
They are an outer structure of a cell in some ways but they also produce stuff
Popularity: 65 • Tools: Recategorize
In the cytosol of the cell. This is true for both eukaryotes and prokaryotes. NOTE: The cytoplasm refers to the space between the...
Popularity: 64 • Tools: Recategorize