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75 Cards in this Set
- Front
- Back
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possible explanations for observations that scientists make
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hypothesis
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the amount of space something occupies
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volume
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used 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:
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theory
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the use of knowledge, tools, and material to solve problems and accomplish tasks
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technology
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when researchers use the scientific method they should
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switch or repeat the steps
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when a scietnists wants to test the side affect of a medicene they would
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a control group that recieve no medicene
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what is an MRI
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a detailed image of the nerves and tissue
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why is it good to use the ISU
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each scientists are talking about the same measurement
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a hypothesis that cannot be tested doesnt mean....
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its not useful
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10 kg is equal to
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10,000 grams
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what in the cell membrane forms two layers?
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phospholipid
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asexual:
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use only one organism to reproduce
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what are called the blueprints of life?
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nucleic acids
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heredity:
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the passing of triats from on generation to the next
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Metabolism:
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all the chemical activites that an organisms cell can perform
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a complex carb manufactured by plants
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starch
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when a duck dives umder water and their eyelids close. this is a example of ......
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stimulus
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a molecule that provides enerrgy for the cellular process
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ATP
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subunits of protein are
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amino acids
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cells do not use.... for energy storage
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nucleic acids
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protiens do not...
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speed up the chemical reactions
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What is not true of the cell therory
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not all have a nucleus and cell mebrane
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Ecosystem:
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plants, animals, weather, soil
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plant cells do not have...
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lysosomes
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all plant cell contain...
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cellulose
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which part of the cell mancufactures lipids?
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endoplasmic rectum
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materials that are to be taken out of the cell are transported in a small conpartment that has pinched off the
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golgi complex
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what kind of cell doesnt have a cell membrane
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bacteria
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made up of various tissues that work together to perfrom a certain job
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organs
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what produces power that can be used for various cellular processes
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mitochondria
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plant cells have...that animal cells don't
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chloroplasts
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where is DNA located?
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nucleus
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what kind of cell have no membrane covered organelles?
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prokaryotic
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the part of the Golgi complex that can pinch off to form a ... that contains digestive enzymes
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lysosomes
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Diffusion:
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the random movement of particles from an area of high concentration to an area of low
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plants produce their own food by
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Photosynthesis
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large food molecules can pass easily through the cell membrane can enter the cell by
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endocytosis
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human body have 23 pairs of
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homologous chromosomes
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the process of cell division in a bacteria is..
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binary fission
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food particles move through protiens in the cell membrane with out using energy
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passive transport
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Osmosis
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the passing of water through the cell mebrane
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fermentation in animal cells produces
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lactic acid and ATP
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oxygen is used to break down food and release energy in a process called
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cellular resperation
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What is a product of photosynethesis?
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glucose
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what is not used to make gluclose in photosynthesis?
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02
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A ________ plants produces offspring with the exact same traits as the parents
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true-breeding
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the physical expression of an organisms genes
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phenotype
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each parent donates a set of insructions known as
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genes
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Genetic crosses are performed and the ____ genes vanished
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dominant
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eggs and sperm are
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sex cells
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__ are donimant or ressesive
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alles
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Bb and Bb are crossed how many genotypes will there be
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three
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how many chromosomes are in a normal human sex cell
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23
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probability is___
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the mathmatical chance that an event will occur
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genes are composed of subunits known as
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nucleotides
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Guanine=
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cytosine
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genetic engineering
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allow scinetists to transfer genes from one organism to another
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A _____ is a tool for tracing a genetic trait through a family tree.
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pedigree
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asbestoes and chemicals are
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mutagens
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the code for amino acids contain __ bases
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3
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what materials make up each nucleotide in a DNA molecule
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a sugar, a phospahate, and a base
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diseases like sickle cell animea are due to
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recessive gene
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TAGTCA
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ATCAGT
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Genetic engineering is used to
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alter plants, repair genes, manufacture protiens
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what cause sickle cella animeia
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order of bases in a person DNA
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a pine tree belongs in....
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plante
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some members of protista
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have flagella
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KPCOFGS
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seven levels of classification
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Linnaeus
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founded taxonomy
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have nervous systems, and move around
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Animalia
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species name is the
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last name
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Eubacteria do no
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live in hot springs
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orders are broken down into
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families
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two organisms in the same class will also be in the
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phylum
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