Molecules embedded in the cell membrane that allow molecules to enter and exit the cell.
The cell membrane helps provide this by providing support to the cell and protecting it.
This means that some molecules can pass through the cell membrane but not all.
Two layers of phospholipids are called.
This molecule has two parts a head and a fatty acid tail.
Molecule embedded in the cell membrane that helps provide structure to the cell membrane
Fear of water
Faces the outside of the cell membrane.
Faces towards the inside of the cell membrane.
The plasma membrane is responsible for deciding what can enter or leave the cell. This is called
Where the DNA is located
This organelle makes proteins
This organelle makes ATP or energy
These help the cell move things
The plasma membrane is made of proteins, cholesterol and
This part of a phospholipid is hydrophillic
This type of movement is from a lower concentration to a higher concentration and requires energy
An ion goes through a doorway. This type of passive movement is called
Movement of water is called
The solution around a red blood cell has a higher concentration of substances
To make an identical copy of a cell is called
This part of the cell cycle is where we make a copy of the ogranelles
Programmed cellular death. To kill a cell we don't need is called
The phase of mitosis that the chromosomes pull apart
The study of diseased tissues is called
This type of tissue is found on free surfaces and has tight junctions
This cell shape has an irregular border
this type of epithelium is found in the respiratory tract
This type of cell makes mucous
Type of connective tissue that is avascular
Type of liquid connective tissue that helps with filtering of infections
the medical term for swelling
Connective tissue found in tendons and ligaments
Fat in our body is called
The name for a white blood cell
This organelle makes lipids
Movement of water across a semipermeable membrane
Movement of molecules from a high concentration to a lower concentration
A structure within the cell membrane which allows charged and/or larger molecules to pass through the membrane
Movement of molecules from a LOW concentration to a HIGH conc. using ATP (energy)
Movement of molecules from a HIGH concentration to a LOW conc. with NO ATP (energy) used
Amount of molecules of a material in a specific area
A solution with a GREATER amount of SOLUTE ("dissolved stuff") as compared to the cell
A solution with a LESSER amount of SOLUTE ("dissolved stuff") as compared to the cell
A solution with an EQUAL concentration of solute (and water) as compared to the cell
The force that the vacuole places on the cell membrane to push it against the cell wall-- increases when vacuole is larger
Means that only some things may pass through
Type of Active Transport where large amounts/sizes of molecules EXIT the cell in bulk
Type of Active Transport where large amounts/sizes of molecules ENTER the cell in bulk
"Water-loving"-- Refers to the polar phosphate heads of the phospholipid
"Water-fearing"- refers to the fatty acid tails of the phospholipid which make the inner part of the cell mem.
Organic compounds build from monosaccharides, containing mostly carbon and water
Monomer of carbohydrates. Smallest sugars. Glucose, Fructose, Galactose
Combination of two monosaccharide sugars. Sucrose, Maltose, Lactose
Long chain of monosaccharides joined together. Starch, Glycogen, Cellulose, Chitin
Simple sugar used to make energy. C6H12O6
Monosaccharide found in fruit
Table sugar. Glucose + Fructose
Sugar foundi n milk. Glucose + Galactose
Polysaccharide containing thousands of glucose monomers. Energy storage in plants
Polysaccharide containing thousands of glucose monomers. Short term energy storage in animals
Polysaccharide containing thousands of glucose monomers arranged to give structure to plants. Not digestible by humans
Polysaccharide that makes up the exoskeleton of Arthropoda and found in the cell wall of some fungi and algae
Biomolecule that is insoluble in water. Fats, Phospholipids, and Steroids
Primary form of fat in foods and your body. Long term energy storage.
Main component of cell membranes. Similar to a triglyceride, except a fatty acid is replaced with a polar head
Class of lipids that contains hormones and cholesterol
Chain of carbons and hydrogen sulfide that make up fats and phospholipids
Backbone of fats and phospholipids
Type of fats that have a hydrogen attached to every carbon. Unhealthy fat
Type of fats that have at least one double bond between two carbons. Healthier fat
Structural component of cell membranes, and a precursor to some hormones
Primary male hormone responsible for regulation of the reproductive system and secondary sex characteristics
Primary female hormone responsible for development and regulation of the reproductive system and secondary sex characteristics
A primary female hormone involved in mentruation and pregnancy
Enzyme that digests fat
Lipids that are liquid at room temperature
What biomolecule carries genetic information
What biomolecule is used for quick energy
What biomolecule stores long-term energy
What biomolecule makes muscle
Sugars, starches, and cellulose
Fats, oils, wax, cholesterol, cell membrane, and testoserone
DNA and RNA
Cartilage, meats, nuts, beans, feathers, skin, and hair
A carbohydrate whose molecules consist of a number of sugar molecules bonded together
Its simple sugars and its the most basic units of carbohydrates
It consists of two monosaccharide molecules joined together
Which fatty acid can have one or more bonds
Which fatty acid has only single bonds
Formed from glycerol and three fatty acid groups
What is a lipid that contains a phosphate group in its molecule
What is a large number of amino-acids that are bonded together in a chain
Is a amino acid a polymer or a monomer
It forms the basic structural unit (base) of nucleic acids
Is DNA or RNA a monomer or polymer
Only biomolecule with nitrogen
Allows certain things in and out of the cell
Allows certain molecules too pass through
A substance that provides nourishment
A polar head that is hydrophilic
Fail to mix with water
Mixes with water
Model of the plasma membrain
Transfers substances across a cell membrain
Receives chemical signals
Molecules mixed as a result of their genetic energy
Molecules pass through a membrain
Movement of molecules across a cell membrain
Movement of molecules without energy
The smallest unit of structure & function of living things
Tiny organ which is a structure in a cell with a particular function
a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division
Produces energy from breaking
the spreading of something more widely
is a form of active transport in which a cell transports molecules
is any organism whose cells contain a nucleus and other organelles enclosed within membranes
Storage -> H2O and wastes ions
Builds protein and reads DNA protection
Rigid, keeps shape also protection
Solution with equal concentration
A big amount of trash that exits the cell
a microscopic single-celled organism that has neither a distinct nucleus with membrane nor other specialized organelles
Sac with enzymes to break down old parts
Transport material within the cell
Two phospholipid molecules arranged tail to tail
A membrane that allows some material IN & Out
A solution with MANY particles, high concentration
Solution with low concentration
Is the process of spontaneous passive transport of molecules or ions across cell's membrane
Control center and protects & holds DNA also is instructed to build and run organisms
a microscopic network of protein filaments and tubules in the cytoplasm of many living cells, giving them shape and coherence
Uses sun energy to produce sugars "photosynthesis"
Transport material out of or into the cell
tending to repel or fail to mix with water
the tendency toward a relatively stable equilibrium between interdependent elements
An organism's ability to maintain steady internal conditions when outside conditions change
Hydrophobic tails are facing inward and their hydrophilic heads are outward
The movement of substances through a cell membrane without using the cell's energy
The movement of substances from an area of higher concentration to an area of lower concentration
The diffusion of water molecules only through a membrane
When molecules pass through a cell membrane using special proteins called transport proteins
The movement of substances through a cell membrane only by using the cell's energy
The process during which a cell takes in a substance by surrounding it with the cell membrane
The process by which certain living cells called phagocytes ingest or engulf other cells or particles
a process by which liquid droplets are ingested by living cells
The process during which a cell’s vesicles releases their contents outside the cell
The maximum pressure that develops in a solution separated from a solvent by a membrane permeable only to the solvent
Having a lower osmotic pressure than the surrounding environment is called
Having a higher osmotic pressure than the surrounding environment is called
Having equal osmotic pressure with the surrounding environment is called
Who invented cells?
How do skin cells reproduce in your body?
Which cells lack a nucleus and most other organelles?
Which cells have a nucleus and other membrane bound organelles?
What gives plant cells shape?
What regulates movement in the cell?
How many layers of phospholipids are there in the cell membrane?
The phospholipid heads of the cell membrane are attracted to water, what do we call this property?
What do property describes phospholipid tails avoiding water?
Which molecules have a tough time getting through the cell membrane?
This process allows molecules to move from an area of high concentration to an area of low concentration
This process moves large molecules across the cell membrane through the use of transport proteins.
What do you call the passive transport of water across a semi-permeable membrane?
These molecules can easily travel through the cell membrane