Stats: Bio Exam 1

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Hint	Answer	% Correct
This is an attraction between different substances, for example, between water and plant cell walls	Adhesion	0%
They are eukaryotic cells. It means that, unlike prokaryotic cells, they have membrane-bound organelles suspended in the cytoplasm enveloped by a plasma membrane.	Animal Cells	0%
A charged atom or molecule is called...	an ion	0%
negatively charged ion	anion	0%
water is the solvent in this solution	Aqueous solution	0%
The smallest unit of matter that retains all of the chemical properties of an element	Atom	0%
the atoms total mass, can be approximated by the mass number.	atomic mass	0%
an elements atomic number is the amount of protons in its nucleus	Atomic number:	0%
An elements properties depend on the structure of its____.Each element consists of unique ___.	atoms	0%
organism that produces organic molecules from small inorganic compounds. This is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.	Autotroph	0%
single-celled microorganisms that lack a nuclear membrane, are metabolically active and divide by binary fission.	Bacteria	0%
collection of all the ecosystems on earth	Biosphere	0%
The internal pH of most living cells must remain close to pH 7. _____ are substances that minimize changes in concentrations of H+ and OH- in a solution. Most _____ consist of an acid-base pair that reversibly combines with H+.	Buffers	0%
these elements make up 96% of living matter.	Carbon, hydrogen, oxygen, and nitrogen	0%
a positively charged ion	cation	0%
smallest fundamental unit of structure and function in living things	cell	0%
the semipermeable membrane surrounding the cytoplasm of a cell	Cell membrane	0%
Polysaccharide that comprises the plants' cell wall; provides structural support to the cell	Cellulose	0%
large plant cell organelle that regulates the cells storage compartment, holds water, and plays a significant role in cell growth as the site of macromolecule degradation	central vacuole	0%
plant organelle that carries out photosynthesis	Chloroplasts	0%
share a common structure: a core of microtubules sheathed by the plasma membrane. A basal body that anchors the colium or flagellum. A motor protein called dynein, which drives the bending movements of a cilium or flagellum	Cilia and Flagella	0%
Hydrogen bonds hold water molecules together. _____ helps the transport of water against gravity in plants	cohesion	0%
set of populations inhabiting a particular area	community	0%
These can form between atoms of the same element or atoms of different elements. Single: one pair of electrons are shared between atoms. Double: two pairs of electrons are shared between atoms Triple: three pairs of electrons are shared between atoms	covalent bonds	0%
all the living things in a particular area with the abiotic, non living parts of that environment	ecosystems	0%
about 20-25% of the 92 _____ are essential to life	Elements	0%
series of interconnected membraneous structures with eukaryotic cells that collectively modify proteins and synthesize lipids.	Endoplasmic reticulum	0%
Glucose + Oxygen >>>> Carbon Dioxide + Water + Energy (ATP)AKA: c6 H12 O6 + 6O2 >>>> 6CO2 + 6H20 + Energy (ATP)	Equation for Cellular Respiration	0%
Has DNA in a nucleus that is bounded by a membraneous nuclear envelope.	Eukaryote	0%
The shipping an recieving center. Consists of flattened membranous sacs called cisternae.	Golgi bodies	0%
high amount of energy required for liquid water to turn into water vapor	heat of vaporization	0%
organism that consumes organic substances or other organisms for food.	Heterotroph	0%
THIS forms when a hydrogen atom covalently bonded to one electronegative atom is also attracted to another electronegative atom. In living cells the electronegative partners are usually oxygen or nitrogen atoms.	hydrogen bond	0%
has an affinity for water.	Hydrophilic	0%
does not have an affinity	Hydrophobic	0%
atoms sometimes strip electrons from their bonding partners. An example is the transfer of an electron from sodium to chlorine. After the transfer of an electron, both atoms have charges. This is the attraction between an anion and a cation.	Ionic bonding	0%
Table salt, a compound is the result of what?	ionic bonding, ionic compound	0%
Digestive Compartment. _____ is a membraneous sac of hydrolytic enzymes that can digest macromolecules. ____ enzymes work best in the acidic environment inside the of ____.	Lysosome	0%
An elements mass number is the sum of protons plus neutrons	mass number	0%
hollow rods with functions of shaping the cell, guiding movements of organelles, separating chromosomes during cell division. These control the beating of cilia and flagella, the locomotor appendages of some cells.	Microtubules	0%
powerhouse of the cell - generates energy needed to power the cell - stores energy produced in ATP	mitochondria	0%
two or more atoms chemically bonded together	Molecule	0%
Electrons	negative charge	0%
Neutrons	no electrical charge	0%
in this____, the atoms share the electron equally	nonpolar covalent bond	0%
core of an atom. Contains protons and neutrons.	Nucleus	0%
collection of related tissues grouped together performing a common function	Organ	0%
small structures that exist within cells and carry out cellular functions	organelle	0%
level of organization that consists of functionally related interacting organs	Organ system	0%
acidic solutions have a ___ of less than 7. Basic solutions have ___values greater than 7. Most biological fluids have a ___in the range of 6-8.	pH	0%
membranes' major constituent; comprised of two fatty acids and a phosphate-containing group attached to a glycerol backbone	Phospholipid	0%
eukaryotic, meaning each has a membrane-bound nucleus and organelles that perform specific functions.	Plant Cells	0%
Basic features of cells	Plasma membraneCytoplasm Chromosomes Ribosomes	0%
In this___, one atom is more electronegative, and the atoms do not share the electron equally.	polar covalent bond	0%
all the individuals of a species living within a specific area	population	0%
Protons	positive charge	0%
single-celled organism that lacks organelles and does not have nuclei surrounded by a nuclear membrane	Prokaryote	0%
organism, usually single-celled and heterotrophic (using organic carbon as a source of energy), belonging to any of the major lineages of protists and, like most protists, typically microscopic. All of these are eukaryotes and therefore possess a “true,” or membrane-bound, nucleus.	Protozoans	0%
cellular structure that carries out protein synthesis	Ribosomes	0%
Section of the ER that has ribosomes attached to it and engages in protein modification and phospholipid synthesis. The ribsosomes secrete glycoproteins (proteins covalently bonded to carbs) Membrane factory for the cell. Distributes transport vesicles.	Rough ER	0%
Observation, question, hypothesis, prediction, data collection, analysis, results, conclusion, theory, controlled experiments	Scientific method	0%
region of ER that has few or no ribosomes on its cytoplasmic surface. Synthesizes carbohydrates, lipids, and steroid hormones. Detoxifies certain chemicals like pesticides, preservatives, medications. Stores calcium ions.	Smooth ER	0%
substance that is dissolved	Solute	0%
is a liquid that is a homogenous mixture of substances	Solution	0%
dissolving agent of a solution	Solvent	0%
the amount of heat one gram of a substance must absorb or lose to change its temperature by one degree Celsius	specific heat	0%
protons, neutrons, electrons	subatomic particles	0%
Cells	the fundamental units of life	0%
group of similar cells carrying out related functions	tissue	0%
Cohesive behaviorAbility to moderate temperature Expansion upon freezing Versatility as a solvent	Water properties	0%

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Bio Exam 1 - Statistics