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Viruses and bacteria
life science
| Question | Answer |
|---|---|
| What surrounds viruses? | protein coat |
| If a virus is not DNA, it is ____. | RNA |
| What shape is a virus that is round all around? | Spherical |
| What shape is a virus shaped like a test tube? | Cylinder |
| What shape is a virus that is like a snowflake? | Crystal |
| What shape is a virus that looks like a spaceship? | Bacteriophage |
| Viruses do not have all the characteristics of a _____________ organism. | Living |
| Viruses must rely on living organisms to _____________. | Replicate |
| Viruses cannot take in _____________. | Nutrients |
| Viruses cannot use ___________. | Energy |
| Viruses must be _____________ a cell to replicate. | Inside |
| A host cell must have specific ___________ on its cell membrane or cell wall for a virus to attach to. | molecules |
| Inside a cell a virus may become ____________ (dormant). | Latent |
| After using the host cell to replicate, the virus __________ the host cell. | Destroys |
| What is released into the host organism after the virus has replicated itself and destroyed the host cell? | Virus copies |
| Why are viruses so difficult to treat? | Mutations |
| What does the body need to make to have immunity to a virus? | antibodies |
| What are people given to trigger the production of antibodies? | Vaccines |
| What kind of cells are bacteria? | prokaryotes |
| What kind of bacteria live where few other organisms survive? | archaea |
| Hairlike structures on bacteria are called ______. | pili |
| Bacteria that are round are _________- shaped. | Sphere |
| Bacteria that are shaped like a test tube are ________- shaped. | rod |
| Bacteria that look like a squiggly worm are ___________- shaped | Spiral |
| Bacteria transfer DNA by this process. | Conjugation |
| What are harmful bacteria called? | Pathogens |
| How are bacterial infections treated? | Antibiotics |
| Bacteria produce two genetically identical bacteria by this process of asexual reproduction. | Fission |
| Bacteria that have protected themselves by building a thick internal wall are called ___________. | Endospores |
| Using too many antibiotics to treat illnesses leads to __________ _____________. | bacterial resistance |
| When beneficial bacteria break down pollutants or waste products it is called ___________. | Bioremediation |
| When beneficial bacteria attach to the roots of legumes to help the plant grow it is called ____________ ______________. | nitrogen fixation |
| Bacteria can help us make tasty _________ that last longer. | Food |
| What process involves beneficial bacteria breakIng down soil? | Decomposition |
| Bacteria that don't need the sun for energy get energy from ___________ _______________. | Chemical reactions |
| Some bacteria make their own food from __________ energy. | Light |
| Some bacteria get energy by taking in___________. | Food |
| Bacteria live almost ________________. | Everywhere |
| Bacteria do not have a ___[________. | Nucleus |
| Bacteria are ______________ than animal or plant cells. | Smaller |
| Bacteria increase genetic ______________ by the process of conjugation. | Variation |
Created by:
gerhagar
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