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82 Cards in this Set

  • Front
  • Back
What should you bring to take your midterm?
Pencils, 7 tests, book
Scientists often use experiments to test their ___________, which are possible explanations for observations
hypotheses
_________ is defined as the amount of space something occupies.
volume
A life scientist would us a(an) ____________ to magnify a living specimen.
compound light microscope
A set of related hypotheses that are supported by evidence may become accepted as a ________.
theory
__________ is the use of knowledge, tools and materials to solve problems and accomplish tasks.
Technology
Studying how wasps could be used to control fire ant population could be a way a _____________ works.
Life scientist
When researchers use the ________ __________, they should repeat or switch the order of steps as needed.
Scientific method
A scientists who wants to study the possible side effects of medicine would probably include a _______ _______ that has received no medicine.
control group
A ________ (abrevation) would be used by a life scientist to obtain a detailed image of nerves that brand off a person's spinal cord.
MRI
An advantage of using the _______________ __________ ____ ________ is that it gives scientists a common way to share their results.
International System of Units
In a scientific experiment, a ________ that cannot be _________ is always considered to be not useful.
hypothesis, tested
A ________ g object contains the same amount of matter as a 10kg object.
10,000
In the cell membrane, ______________ molecules form two layers.
phospholipid
When a planarian worm is cut in half, each half develops into a whole worm. This is an example of ___________ reproduction.
asexual
____________ _______ are sometimes called the blue prints of life.
nucleic acids
__________ is the passing of traits from one generation to the next.
heredity
__________ refers to all of the chemical activites that an organism's cells perform.
metabolism
________ is a complex carbohydrate manufactured by plants.
starch
When a duck dives under water, its inner eyelids automatically raise to cover the ducks eyes. In this case, water acts as _ ____________.
A stimulus
the molecule that provides energy for cellular processes is _______(abbreviation).
ATP
The subunits of proteins are ___________.
Amino acids
Cells don't use __________ for energy storage.
nucleic acids
___________ are not a primary source of energy for cells.
proteins
All cells have a nucleus and a cell membrane is not part of the ______ _________.
Cell theory.
A life scientist who observes the relationships between plants, animals, weather and soil on a mountaintop is studying a(an) _______________.
ecosystem
A ___________ is not found in plant cells.
lysosome
__________ contains cellulose.
all plant cells
_______ __________ manufactures lipids.
Endoplasmic reticulum
Materials that are to be released outside outside the cell are transported to the cell membrane in a small compartment that has pinched off the _____________ ____________.
Golgi Complex
Bacteria don't have an _________ _______________.
Endoplasmic reticulum
_________ are made up of various tissues that work together to perform a specific job.
organs
The role of the cell's ______________ is to release energy that can be used to power various cellular processes.
Mitochondria
Unlike animal cells, plant cells have _________ to capture energy from the sun.
Chloroplasts
DNA, the genetic material of a eukaryotic cell, is located in the cell's __________.
nucleus
Cells that have no membrane-covered organelles are _______________.
prokaryotic
A part of the Golgi complex can pinch off and form a _______, which contains digesting enzymes.
lysosome
____________ is the random movement of particles from an area of high concentration to an area of low concentration.
Diffusion
Plans produce their own food by the process _____________.
photosynthesis
Food molecules that are too large to pass easily through the cell membrane can enter by _____________.
endocytosis
Human body cells have 23 pairs of _____________ _____________.
homologous chromosomes
The process of cell division in a bacterial cell is called __________ ____________.
binary fission
food particles move through proteins in the cell membrane without using energy in a process called ____________ __________.
passive transport
When wilted celery is soaked in water, it becomes crisp again due to ____________.
osmosis
Fermentation in animal cells produces _______ _______ and ________.
lactic acid, ATP
Oxygen is used to break down food molecules and relase energy in a process called ___________ ______________.
cellular respiration
__________ is a product of photosynthesis.
glucose
o2 is not used to make glucose in _________________.
photosynthesis
a ________-_________ plant produces offspring with the same traits as the parent.
true-breeding
The physical expression of an organism's gene is its _______________.
phenotype
Each parent donates a set of instructions, known as ________.
genes
when Mendel performed genetic crosses, the traits that seemed to vanish were __________ _________.
recessive traits
_______ can be dominant or recessive.
alleles
Eggs and sperm are ___ ______.
sex cells
If you cross two rabbits that have the genotype Bb, how many possible genotypes can be found in the offspring?
three
How many chromosomes are present in a normal human sex cell?
23
If a purple flower with the genotype Pp self-pollinates, the ration of purple offspring to white offspring would be ____ purple:______ white.
two, two
The mathematical chance that an even will occur is __________.
probability
Genes are composed of subunits known as ___________.
ribosomes
Chargaff's rules state that the amount of _____________ in DNA is always equal to the amount of guanine.
cytosine
____________ ___________ allows scientists to transfer genes from one organisms to another.
genetic engineering
__________ is a tool for tracing a genetic trait through generations of a family.
a pedigree
Examples of chemical __________ include asbestos and chemicals found in cigarette smoke.
mutagens
The code for a given amino acid consists of _______ bases.
three
A ________, a _________ and a _________ make up each nucleotide in a DNA molecule.
sugar, phosphate, base
Most genetic disorders, such as sickle cell anemia, are due to a ____________ _____.
recessive gene
The complementary strand to the DNA sequence TAGTCA would be ___________.
GTAGAT
The environment has influence on a person's ____________.
traits
________ ___________ is currently used to genetically alter plants, repair damaged genes and manufacture proteins.
genetic engineering
A change in the order of ________ in a person's DNA could cause sickle cell anemia.
bases
A pine tree is a member of the kingdom __________.
plantae
Some members of the kingdom Protista have _________.
flagella
Give the seven levels of classification in order.
Kingdom, phyla, class, order, family, genus, species
Linnaeus is known for founding the science of __________.
taxonomy
Organisms in the kingdom _________ usually move by themselves and have advanced nervous systems that allow them to respond to their environment.
animalia
The scientific name for the common house cat is Felis domesticus. What is its species name?
domesticus
Eubacteria don't live in _____ __________.
hot springs
Fungi obtain nutrients by ___________ food from their surroundings.
absorbing
Members of the kingdom _________ include such organisms as the mold that grows on bread.
fungi
Orders of organisms are further broken down in to _________.
families
Two organisms that are in the same class will also be in the same _________.
phylum
Some organisms in the kingdom ___________ are able to live inside the human body.
Eubacteria