Fact 1: Introns are regions that do not code for proteins. Fact 2: Prokaryotes lack introns, whereas eukaryotes contain introns. Given the two facts above, what lacks regions that do not code for proteins?
OPTIONS:
- prokaryotes
- human cells
- peachleaf willow
- graptolites
- barnacles
- plant cells
- eukaryotes
- gastropod shells
prokaryotes
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Fact 1: Head hair is especially important in preventing heat loss from the body. Fact 2: Bighorns have hollow hair that traps body heat. Given the two facts above, what do bighorns' hollow hairs do?
OPTIONS:
- It helps them survive
- Plant growth is reduced
- prevent heat loss
- share properties
- protect them
- allow growth
- Decrease bodily water
- refract or absorb.
prevent heat loss
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Fact 1: Feathers help birds fly and provide insulation. Fact 2: Some birds are flightless birds. Given the two facts above, why do the flightless have feathers?
OPTIONS:
- layers of fat
- Sublimation
- it needs them
- warm-blooded
- Air conditioning
- Radiation
- Insulation
- protect them
Insulation
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Fact 1: Chloroplasts contain the green pigment chlorophyll. Fact 2: Chloroplasts Chloroplasts serve as the site of photosynthesis. Given the two facts above, the site of what contains the green pigment chlorophyll?
OPTIONS:
- orchids
- fertile
- peachleaf willow
- In their leaves
- photosynthesis
- Most plants
- an organism's body
- swamp vegetation
photosynthesis
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