Bio S 1 Review Flashcards
Science uses which system to measure items?
metric
Biology is the study of ______________.
living things
All living things __________ to make more of themselves.
reproduce
Living things adjust to a stimulus by a ______________.
response
Questions arise from individuals __________ the world around them.
observing
The study of standards for what is right and wrong is called ______.
ethics
Information gathered through experimentation.
data
A structured procedure for collecting information to test a hypothesis is called an _______.
experiment
Applying science to the needs and problems of our society is called ________.
technology
A scientific explanation that’s been tested over time is a _________.
theory
The part of a science experiment that’s kept the same.
control Group
Steps used in science that gathers information, tests hypothesis, and solve problems is called
scientific Method
A testable explanation for a question or problem
hypothesis
Research that’s reported in numerical form with charts and graphs.
quantitative research
A test of a hypothesis
experiment
Carbohydrates, nucleic acids, and proteins are all large molecules called _____________.
polymers
All carbon compounds are called ___________________.
organic
Carbon atoms must share ____________ electrons to be stable
four
Burning of paper is an example of a ______________ reaction.
chemical reaction
Two or more elements chemically bonding together is called a _____________.
compound
Protons and neutrons are located in the __________ of an atom.
nucleus
Electrons move about the nucleus in regions called ____________.
electron Clouds
Proteins are made up of __________________.
amino acids
Water can dissolve many compounds because of its
polarity
All living things are made up of _________.
cells
Which type of cells do not have a cell wall?
animals cells
When diffusion slow down and stops __________ is reached.
dynamic Equilibrium
Diffusion continues until there is no ____________.
concentration gradient
Proteins contain what element that fats and carbohydrates don’t have?
nitrogen
The first electron energy level can contain a maximum of ______ electrons
2
Acids have a pH _______ than seven.
less
Unsaturated fats contain ________ bonds
double
pH of 13 is considered a strong ____________.
base
Enzymes in the human body are ___________.
proteins
Non-metals like chlorine typically will _________ electrons to become stable.
gain
N?O? has how many total atoms?
4
all life is made of cells which are the basic units of life and must come from preexisting cells is called the ________.
cell theory
First to describe cells
Hooke
The type of microscope which has the greatest magnification
electron microscope
A cell with a nucleus and membrane bound organelles is termed ____________.
eukaryotic cells
The cell membrane is made up of a ________________.
lipid bilayer
Water moves out of a cell when the cell is placed in a ________ solution like sugar water.
hypertonic
Water moves into a cell when the cell is placed in a _________ solution.
hypotonic
When a cell moves particles from an area of lesser concentration to greater concentration it uses ________.
active Transport
Water leaving or entering a cell does so through a process known as __________.
osmosis
What part of a cell maintains the cells homeostasis?
plasma membrane
A gene is a segment of DNA that controls the production of ________.
proteins
Viruses, environmental influences and radiation are examples of things that can cause _________.
cancer
What monitors the cell’s cycle from phase to phase?
series of enzymes
What phase is identified by chromosomes lining up along the cell’s mid-line?
metaphase
The longest phase of the cell’s cycle.
interphase
Chlorophyll is located in what organelle?
chloroplast
Green pigment that traps light energy is called ____________.
chlorophyll
In order for your body to undergo reactions and normal body function, it requires _____.
energy
What are the two products of photosynthesis?
glucose (C?H??O?) and oxygen (O?)
The process which burns glucose to produce energy.
respiration
When parts of homologous chromatids exchange places with one another which creates genetic recombinations.
crossing over
A device used to show the offspring combinations of two parents.
punnett Square
Two alleles; one dominant and one recessive is said to be ______.
heterozygous
Mendel’s law that states only one factor from each parent is passed to the offspring is called _______.
law of Segregation
The passing of traits from parents to offspring is called __________.
heredity
A cell containing the full set (2) alleles for each trait is said to be _____.
diploid
The gamete produced by the mother.
egg
The percent chance a couple will always have a boy is _______.
50%
Looking at the physical features of a dog will provide the dog’s ________.
phenotype
What cell division reduces the number of chromosomes by 1/2?
meiosis
The process of a sperm uniting with an egg is called __________.
fertilization
