Upgrade to remove ads
IB Biology (Class of 2016)
IB Biology (Class of 2016)
Terms in this set (128)
the type of cell that does not have a cell wall
part of the microscope that you place the sample; can be adjusted
It is used to summarize the spread of the data. When there is one of this, we consider it covers 68% of the data. When there are two, we consider it covers 95% of the data.
the three organelles that are only present in plant cells. (all start with C)
cell wall, chloroplast , and ___________ ____________
the type of cell that does not have a cell wall
the smallest organism alive; only comes from pre-existing cells; nothing smaller can be alive.
a type of statistical hypothesis test where one can conclude whether or not the results are statistically significant from comparing the means of two samples
muscle cells, fungi, amoeba and red blood cells
exceptions to the _______ __________
undifferentiated and self-sustaining
First the bacterial chromosome is replicated in 2 identical copies. These are moved to opposite ends of the cell and the wall and plasma membrane. Then pulled inwards so the cell pinches a part to form 2 cells; Process of ______ _________
Part of eukaryotic (plant cell) and prokaryotic Gives shapes to the cell it is very thick.
the part of the phospholipid bilayer that repels water
the part of the phospholipid bilayer that attracts water
A word to describe organisms that are made up of multiple cells; examples are animal, fungi, plants, and protists
an example of a prokaryotic cell
the equation you use to calculate magnification of an image
rough endoplasmic reticulum
bacon with some pepper seasoning
average of the differences from the average; spread of data
"the whole is more than the sum of it's cells"
the size of ribosome of prokaryote
Part of the microscope which changes the height of the stage.
prokaryotic cells reproduce by this method
in plant cells and bacteria but not in animal cells
present in plant cells to carry out photosynthesis and produce glucose
animal cells and plant cells are an example of this
The DNA of an organism is contained in this part of a eukaryotic cell
the average difference from the mean in a set of data; can be used to create error bars for graphs
test used to determine the difference in data between two sets of groups; D.F is calculated by subtracting 2 from the number of trials
two layers of fat cells in the membrane which controls the transportation of materials in and out of cell
the general term for passive movement of particles from a region of higher concentration to a region of lower concentration
when particles pass through the membrane with the help of a channel protein
These organisms consist of DNA/ RNA pieces, nucleic acid, and a coat of protein. It can only survive within another organism, and it is an exception to the cell theory.
This can be collected from embryos in an early stage, bone marrow, and can be made from somatic-cells. It is being researched for its property to be able to turn into any cell in the body
This tissue is made up of muscle fibres contain hundred of nuclei; vital tissue for movement in humans
A type of scientific test to compare the expected data with the observed data; there is a significant different when the value obtained from this test is greater than the critical value
Rate at which materials are used up or produce; This rate increases much faster than it's surface area
A graphical representation of how much the data varies; show max and min values.
"power house" of the cell. Produces energy by burning glucose to fuel the cell's activities
holds the genetic information (DNA) of the cell. controls activities of the cell
controls what enters and leaves the cell. surrounds outside of the cell
helps plant cells maintain its shape, also stores nutrients and waste products
food producer for the plant cell. it converts energy of the sun into sugar
surrounds the plant cell and provides support and protection
fluid that fills a cell that serve as a lattice for holding the cell's internal components in place. it also contains strands of proteins
A process that keeps conditions inside an organism within tolerable limits
An organism considered an exception of the Cell Theory from being made up of hyphae (roots)
Term that describes not being specialised into a certain type of cell
The theory prior to the Cell Theory that states life can come from non-living matter
a cell that is not compartmentalised (No nucleus)
a cell that is compartmentalised (Containing nucleus)
This is the value that we compare our T test value to in order to determine if there is statistical significance
represent spread of data, maximum and minimum, and standard deviaton
characteristics of life
metabolism, reproduction, growth and development, homeostasis, nutrition, sensitivity
used to find out whether there is a significant difference between the means of two populations
used to summarize the "spread of data"
the process of dividing the cell and its nucleus, resulting into two identical cells
disease where the body produces abnormal amount of white blood cells in the bone marrow; often treated with stem cells
stems cells are ________ biological cells since they have not yet specialised into a specific cell
two standard deviations
In statistics, when we say the values are within ____ ______________ _______________, 95% of values can be found within the range.
one thing actually cause the other thing to happen; often discussed when talking about correlation
net movement of particles from a high concentration to a low concentration
the movement of water particles from an area of LOW SOLUTE CONCENTRATION to HIGH SOLUTE CONCENTRATION; movement of water to a "saltier" area
Capable of only having certain things get through it; describes the plasma membrane
A membrane bound sac that contains materials involved in transport of the cell
A word to describe having a higher solute concentration
a word to describe having a lower solute concentration
a word describing when two parts have equal solute concentrations (OR EQUAL OSMOTIC PRESSURE)
the general term for movement of particles down a concentration gradient across the plasma membrane; includes osmosis, simple diffusion, and facilitated diffusion
looks like "stack of pancakes"
this looks like pepper in cell drawings, can be found in prokaryotic and eukaryotic cells, and MAKES PROTEINS
Mr. Lee's true age
the PLURAL form of the word mitochondrion
found in plants, used for photosynthesis, in drawings they look like oversized grapes with too many seeds
the size of ribosomes in eukaryotic cells
the area where genetic material can be found in prokaryotic cells
the main molecule that makes up the plasma membrane; has a hydrophilic head and hydrophobic tails
another name for the fluid-mosaic model of the plasma membrane (the original names of the discoverers)
an older model used to describe the structure of the plasma membrane which is no longer used; they assumed a double layer of protein surrounding the membrane
a technique used to view the INSIDE of the plasma membrane; kind looks like the Bjore Nose Pack that Mr. Lee used to clear his pores; he found nose fats, the scientists found proteins embedded in the membrane
tail-like structure of the prokaryotic cell; helps with movement
hair-like structure of the prokaryotic cell; helps with cell to cell connections
half of the smallest unit when making measurements; you often add this in lab reports to show an understanding of rounding
protein that is embedded in the plasma membrane that forms a passageway to allow a particular molecule or ion to cross the plasma membrane
describes an equivalent or balanced concentration on two sides of a membrane
A measure of solute concentration. As the concentration of solute increases, this increases as well.
penetrable; porous; allowing liquid or gas to pass through;
A difference in the concentration of a substance across a distance
Energy-requiring process that moves material across a cell membrane against a concentration difference
protein embedded in plasma membrane that moves things against their concentration gradient; ATP is required
an example of a membrane pump that requires ATP
a hormone secreted by the inner core of the adrenal gland, aka adrenaline
necessary for active transport; (adenosine triphosphate) main energy source that cells use for most of their work;
Cellular uptake of biological molecules and particulate matter via formation of new vesicles from the plasma membrane; membrane folds in
Process by which a cell releases large amounts of material; requires a vesicle that fuses with the plasma membrane
membrane is made of phospholipid bilayer (just like plasma membrane); used for transporting substance within cell
SOUNDS like "vehicle" to match its function
this is your teacher with fantastic hair
division of the nucleus into two genetically identical daughter nuclei
process by which chromosomes condense and become visible during prophase
process that occurs after mitosis and is different in plant and animal cells; involves the final division of cytoplasm
a very active phase of the cell cycle with many processes occurring in the nucleus and cytoplasm including DNA replication and protein production
proteins that are involved in the control of the cell cycle; there are 4 of them
A chemical or physical agent that interacts with DNA and causes a mutation.
Cancer-causing genes that are formed due to mutations
Invasive growth of cancer cells from the original tumor into distant areas - secondary tumor
A mass of abnormal cells that develops when cancerous cells divide and grow uncontrollably.
About 87% of Lung Cancer deaths are caused by__________
% of cells in mitosis at a given time
centrioles move to opposite ends and DNA coils into chromosome; nuclear membrane dissolves
centromeres of duplicated chromosomes are aligned at equator; fully formed spindle attach to the sister chromatids from opposite poles
centromeres divide; sister chromatids begin moving to opposite poles
cell finishes dividing, chromosomes lengthen and become thinner, nuclear membrane reappears, cytoplasm gets divided up evenly
Replicated forms of a chromosome joined together by the centromere and eventually separated during mitosis or meiosis II.
A single piece of coiled DNA and associated proteins found in linear forms in the nucleus of eukaryotic cells and circular forms in the cytoplasm of prokaryotic cells; contains genes that encode traits. Each species has a characteristic number of these.
drawings of ________ should show the cell wall, pili and flagella, and
plasma membrane enclosing cytoplasm that contains 70S ribosomes and a
nucleoid with naked DNA
drawings of ______ cells should show a plasma membrane enclosing
cytoplasm that contains 80S ribosomes and a nucleus, mitochondria and
other membrane-bound organelles are present in the cytoplasm. Some
_______ cells have a cell wall.
______ microscopes have a much higher resolution than light microscopes; the invention of this lead to greater understanding of cell structure
Chains of amino acids. Protein is an example of a this. Synthesized by RIBOSOMES located in the cytoplasm and on the rough ER.
theory biologists believed until the 19th century that suggested life could come from non-living material
substances with a similar property as phospholipids, where a part of the molecule is hydrophilic and a part of it is hydrophobic. this is the reason why phospholipids form bilayers.
a component of an animal cell membrane (a type of lipid that is not fat or oil). These are located between phospholipids in the membrane, since this molecule is mostly hydrophobic, it is attracted to the center of the membrane while the other end is hydrophilic, which is attracted to the peripheral of the membrane.
unicellular green algae
useful as a way of indicating actual sizes in drawings and micrographs
a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes
a single-celled freshwater animal which has a characteristic slipper-like shape and is covered with cilia
evolutionary theory which explains the transition of prokaryotic cell to eukaryotic cell. It supposedly took place when anaerobically respiring cell took in aerobically respiring bacteria by endocytosis.
these proteins are hydrophobic and transmembrane — they spread across the membrane making it permanently attached. they are attracted to the hydrocarbons chains in the middle of the membrane. one group of membrane proteins.
another group of membrane proteins. these are hydrophilic and are not transmembrane (are not permanently attached). Most of them are attached to the surface of an integral membrane. Since some have a single hydrocarbon chain, allowing them to staple onto the membrane surface.
THIS SET IS OFTEN IN FOLDERS WITH...
IB Biology Topic 1: Cell Biology
Photosynthesis (IB Biology HL)
IB Biology Genetics terms
BISV - IB Biology - Topic 6 Human Physio…
YOU MIGHT ALSO LIKE...
Organelles and their Functions (Eukaryotic)
biology ch.3 test: cells
OTHER SETS BY THIS CREATOR
Working Scientifically (9-19-18)
Working Scientifically (MINI) (Grade 7) (2017)
Atoms, Elements, Compounds, Molecules (Grade 7 Sci…
Reproduction (Students Second Try)