Life. Sci. Sem1 2009 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
Living thing | Organism |
Smallest unit of organisms that carry on life functions | Cell |
Changes that living things undergo as they grow | Development |
Anything an organisms reacts to | Stimulus |
Reaction of an organisms to a stimulus | Response |
Characteristic of an organism that helps it to survive in its environment | Adaptation |
Organized problem-solving procedure in science | Scientific Method |
What is being tested in an experiment | Variable |
Standard used to compare with the outcome of a test | Control |
The maintenance of steady conditions inside an organisms | Homeostasis |
Babies laughing at four months is an example of | Development |
An organisms ability to maintain a steady condition is called | Homeostasis |
Adaptations in organisms are __________ from parents | Inherited |
Food-making process in plants | Photosynthesis |
Living things are made up of ____% water | 70 |
The belief that living things come from nonliving things is called | Spontaneous Generation |
The doctor who showed that maggots hatch from eggs that flies lay on meat, and not from the meat itself | Redi |
He designed an experiment to show that tiny organisms come from other tiny organisms int he air | Spallanzani |
Theory that living things come from only living things | Biogenesis |
Evidence suggests that life was formed about __________ ago | 3.5 billion years |
His experiment showed that substances present in living things could be made from nonliving things in the environment | Miller |
A _________ is a prediction that can be tested | Hypothesis |
A ___________ is an explanation of things or events based on many observations | Theory |
The SI unit of mass is the __________ | Kilogram |
Living organisms need the following three things in order to survive: Oxygen, Water, and _________ | Minerals |
The four criteria that an organism must meet in order to be considered "alive" are: Perform functions, ____________, respond/adjust to environment, and grow/develop | Reproduce |
The step that comes after the 'hypothesis' in the scientific method is... | Experiment |
The step that comes after the 'research' in the scientific method is... | Hypothesis |
The step that comes after the 'ask a question' in the scientific method is... | Research |
Microscopic particles made up of either DNA or RNA core covered by a protein coat | Virus |
Microscope that uses an objective lens and an eyepiece lens to magnify objects | Compound Microscope |
Allows materials to move into and out of the cell | Cell Membrane |
Directs all the cell activities | Nucleus |
Disease that allows the body to be attacked by many organisms that cause disease | AIDS |
Digests wastes inside the cell | Lysosomes |
Generates energy for the cell | Mitochondria |
Smallest unit that carries out the activities of life in organisms | Cell |
Moves materials around inside of cell | Endoplasmic Reticulum |
Protects and supports the plant cell | Cell Wall |
The cell of an organism upon which a virus depends is a(n) | Host Cell |
Enclosing helpful DNA in a virus and allowing it to move into defective cells to help in the treatment of disorders is a form of | Gene Therapy |
A _______________ enters a cell and becomes part of the cell's DNA without destroying the cell or replicating itself | Latent Virus |
A solution made from dead viruses that is used to prevent viral diseases is a | Vaccine |
_________ is a virus that attacks the body's immune system | HIV |
Only dead cells can be observed in a __________ (TEM) | Transmission Electron Microscope |
The scientist who conlcuded that all animals were made of cells was | Schwann |
The cell theory is based on the discoveries of Schleiden, Schwann, and _________ | Virchow |
Proteins are made in structures called | Ribosomes |
The __________ is a gel like substance inside the cell membrane | Cytoplasm |
Cells in a particular organisms all ___________ with one another | Interact |
Groups of similar tissues that work together to perform the same job are called | Organs |
Structures that store food, water, and waste products in plant cells are | Vacuoles |
The cell structures that package and secrete substances are | Golgi bodies |
The material that contains the genetic blueprints of the cell is | Chromatin |
Microscope that uses light to magnify and two lenses | Compound Microscope |
Microscope that uses a magnetic field; used to view living cells | Scanning Electron Microscope |
Microscope that uses light to magnify and one lens | Simple Microscope |
Made the first compound microscope | Jansen |
Named the "little boxes" he viewed, of cork underneath the microscope, cells | Hooke |
Three ways all cells are alike: Cell membrane, Cytoplasm, and ____________ | Nucleus |
Two things that plant cells have that animal cells do not: Cell walls and _________ | Chloroplasts |
The total of all activities of an organism | Metabolism |
Organisms that make their own food | Producers |
Organic material from plants or animals that is used as fuel | Biomass |
Mixture of gases that can be stored and transported like natural gas | Biogas |
Speed up chemical reactions in cells | Enzymes |
Compound that contains carbon | Organic Compound |
Movement of molecules without the use of energy | Passive Transport |
Movement of molecules from an area where there are many to an area where there are few | Diffusion |
Passive transport of water | Osmosis |
Mixture of gasoline and alcohol | Gasohol |
An atom nucleus contains protons and _________ | Neutrons |
Bacteria are taken into cells by ________ | Endocytosis |
A chemical formula shows the kind and number of atoms that form a | Compound |
Organic compounds in the chromosomes are | Nucleic Acids |
In a _________ substances mix evenly with other substances | Solution |
Organic compounds are compounds that contain | Carbon |
_________ are organic compounds made of sugar molecules joined together | Carbohydrates |
_________ are organic compounds that store energy | Lipids |
The function of the selectively permeable cell ______ is to allow some things to pass through it, but not others | Membrane |
If the movement of molecules requires energy it is | Active Transport |
The movement of large molecules through the cell membrane out of the cell is called | Exocytosis |
Producers use light energy to make | Glucose |
___________ are organisms that can't make their own food | Consumers |
_________ is a process that releases energy when oxygen is insufficient | Fermentation |
Particle with a negative charge | Electron |
Particle with a positive charge | Proton |
Salt and water mixture is an example of a | Solution |
Blood is an example of a | Suspension |
Dispersal of an air freshener throughout a room | Diffusion |
Movement of minerals into plant root cells | Active Transport |
Plant that uses chlorophyll to make it's own food is an example of being a | Producer |
An activity that happens within the mitochondria | Cellular Respiration |
Formation of two nuclei with identical chromosomes | Mitosis |
Reproduction in which a new organisms is produced when sex cells from two parents combine | Sexual Reproduction |
Controls cell activity with coded instructions | DNA |
The joining of an egg and sperm | Fertilization |
Segment of DNA controlling production of one protein | Gene |
A nucleic acid which carries the code for making proteins from the nucleus to the ribosomes | RNA |
Any permanent change in genetic material of a cell | Mutation |
Most of the life of any cell is spent in a period of cell growth and development called | Interphase |
Each human skin cell has ____ pairs of chromosomes | 23 |
Yeast reproduced by | Budding |
In _____ a new organisms grows from just a part of the parent organism | Regeneration |
Human gametes (sex cells) have _________ individual chromosomes | 23 |
The number of chromosomes in a sex cell of an organism is its _______ (haploid/diploid)chromosome number | Haploid |
Meiosis consists of _________ division(s) of the nucleus | Two |
At the end of meiosis, _________ cells are produced | Four |
In DNA, adenine always pairs with ______ | Thymine |
Proteins are made of units of _______ linked together in a specific order | Amino Acids |
The code for making proteins is carried to the ribosomes by _______ | RNA |
Asexual reproduction involves (one/two) parents | One |
Budding, ________, and regeneration are methods of asexual reproduction | Fission |
Passing of traits from one generation to another | Heredity |
Different forms of the same gene | Alleles |
Study of how alleles affect offspring | Genetics |
An allele inherited on a sex chromosome | Sex-linked Gene |
A trait that is hidden | Recessive |
The chance that an event will take place | Probability |
Genetic makeup of an organism | Genotype |
Organism with two alleles that are the same | Homozygous |
Physical appearance resulting from genotype | Phenotype |
Both alleles are expressed in offspring | Incomplete Dominance |
More than one set of genes controls a trait | Multiple alleles |
Chart showing the location of genes on each chromosome | Genome |
In a punnett square, a capital letter (T) stands for a __________ allele | Dominant |
The combination of (Tt) represents a ______ genotype | Heterozygous |
Blood type is an example of a characteristic controlled by | Multiple Alleles |
Hemophilia results from an allele that is on the ________ chromosome | X |
Genetic engineering has already helped people by _______ _______ | Producing Medicine |
Created by:
SavannahElkins
Popular Biology sets