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- 1. Multiple Choice
What do both prokaryotic and eukaryotic cells contain?
membrane-bound organelles
linear chromosomes
cytoplasm
a nucleus
- 2. Multiple Choice
Which of these cells in the human body is specialized to transport oxygen throughout the body?
- 3. Multiple Choice
What would most likely be produced when a cell with eight chromosomes undergoes mitosis?
two cells with four chromosomes each
two cells with eight chromosomes each
four cells with four chromosomes each
four cells with eight chromosomes each
- 4. Multiple Choice
This diagram shows a Paramecium, a unicellular protist. When a chemical is added to the pond water in which the Paramecium lives, the Paramecium stops moving. Which structure is most likely affected?
1
2
3
4
- 5. Multiple Choice
Which adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have?
chloroplasts
flowers
stomata
vascular tissue
- 6. Multiple Choice
Which graph best illustrates the growth of a population introduced into an environment with limited resources?
- 7. Multiple Choice
Which will most likely result in a negative growth rate in the human population of a country?
The death rate is higher than the birth rate
The birth rate is higher than the death rate
The country has improved economic conditions
The country has made improvements in sanitation
- 8. Multiple Choice
Why are many farmers encouraged to plant different types of crops on the same land throughout the year?
It prevents insects from destroying crops
It provides more food to other countries
It allows for more genetic variation in palnts
It helps preserve the quality of the soil
- 9. Multiple Choice
During translation, what does the tRNA deliver to the ribosomes?
amino acids
DNA
mRNA
proteins
- 10. Multiple Choice
Which will most likely cause an increase in the frequency of genetic mutations in humans?
increased exposure to mold spores in the air
increased exposure to the rising levels of atmospheric CO2
increased exposure to bacteria in drinking water
increased exposure to X-rays
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