Cells
selectively permeable
What is the name of the technology humans use to alter the genetic instructions in organisms?
genetic engineering
Different finches had different beaks. The types of beaks made a difference in their ability to get food. These traits are called...
adaptations
What does the immune system do?
Protects the body against diseases
What organ helps deliver nutrients and oxygen from mother to fetus?
placenta
Where does protein synthesis take place?
ribosome
What is the name of the process that produces domestic animals and new varieties of plants with traits that are particularly desirable?
ex. dog breeds
selective breeding
chromatography
What is a vaccine?
A weakened or dead form of a pathogen
An enzyme only works on one specific substrate because it has a specific _______________
shape
What organelle does photosynthesis occur in?
chloroplast
any alteration to the DNA sequence
What is the name of the type of transport when water is moving? Does it require energy?
-osmosis
-no energy
What does a vaccine do to the body?
It stimulates an immune response so the body builds up antibodies against the disease
Found on the cell membrane, these receive messages from other cells
receptor molecules
What type of cell transport moves from a high to low concentration and does NOT require energy?
Diffusion/ passive transport
What laboratory technique allows scientists to separate bands of DNA molecules according to size?
gel electrophoresis
What is used to cut DNA into specified fragments
restriction enzymes
Why are enzymes important for the digestive system? What do they do?
When one habitat changes into another
ecological succession
cellular respiration is performed here and makes what?
-mitochondria
- ATP (energy)
What is the genetic engineering technique in which DNA is transferred from the cells of one organism to the cells of another organism?
gene splicing
What built up in the muscle cells after opening and closing the clothespin for 1 minute?
What do you need to get rid of this waste product?
-lactic acid
- oxygen
Explain how the circulatory and respiratory systems work together.
The respiratory system brings oxygen into the body and the circulatory system transports the oxygen around the body.
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