Most plants incorporate carbon dioxide into sugars by means of a cycle of reactions called the
A. Krebs cycle.
B. carbon cycle.
C. CAM cycle.
D. Calvin cycle.
Answer: D
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Cells of a ____ organism live together, but remain self-sufficient
a. single-cell b. multicellular c. colonial d. eukaryotic e. protist
What did the researchers conclude based on the data in figure (b)?
A. Cyclophosphamide slowed the growth of tumors but resistance developed. B. Endostatin shrunk tumors but resistance developed. C. Cyclophosphamide slowed the growth of tumors without development of resistance. D. Tumors in untreated cells shrank in size. E. Endostatin shrunk tumors without development of resistance.
The first cells were autotrophs Indicate whether the statement is true or false
If an individual exhibits a recessive trait, which of the following statements can you be sure of?
A) Any children this individual has will always exhibit the trait, regardless of the genotype of the other parent. B) Any siblings of this individual will have the same phenotype for this trait. C) The phenotype for this trait is different from the phenotype of the homozygous dominant genotype for this trait. D) Both parents of this individual had the same genotype for this trait. E) The genotype of this trait will be heterozygous.