Darwin's theory of evolution is supported by many modern pieces of evidence. Check all that apply.
_____ New measurements of the age of the earth.
_____ An understanding of the mechanism of heredity.
_____ Human population growth.
_____ Comparative studies of animal structures.
_____ Similarities in DNA of related species.
__X__ New measurements of the age of the earth.
__X__ An understanding of the mechanism of heredity.
_____ Human population growth.
_____ Comparative studies of animal structures.
__X__ Similarities in DNA of related species.
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The pistil of a flower is best described as:
A. a structure to defend against insects B. a single carpel or group of fused carpels C. a place where pollen is produced D. a grouping of filaments E. a place for sperm to be produced
Flowering can be regulated by light, temperature, gibberellin levels, or internal factors. What do all of these different flowering pathways have in common?
A. All four pathways result in a decrease in LEAFY (LFY) expression, which induces flowering. B. All four pathways result in an increase in CONSTANS (CO) expression, which induces flowering. C. All four pathways result in an increase in LEAFY (LFY) expression, which induces flowering. D. All four pathways result in a decrease in CONSTANS (CO) expression, which induces flowering.
Angie wants to go with her boyfriend to a bar and drink some beer, but she does not want to become intoxicated because she needs to drive them both home after 2 hours. She weighs 120 pounds. What advice can you give her based on the information in the
textbook? What will be an ideal response?
ATP is best described as
A. an electron carrier. B. the energy molecule of cells. C. an enzyme. D. a double helix. E. All of these choices are correct.