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