An energy-converting organelle is a
A. stroma.
B. chloroplast.
C. granule.
D. All of these answers are true.
B. chloroplast.
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All organisms are alike in their
a. requirements for energy. b. participation in one or more nutrient cycles. c. ultimate dependence on the sun. d. interaction with other forms of life. e. all of these.
Identify several ways in which the study of hemoglobin variants led to an understanding of the molecular relationship
among genes, proteins, and human disease. What will be an ideal response?
In the development of a seedling, which of the following will be the last to occur?
A. initiation of the breakdown of the food reserve B. Initiation of cell division in the root meristem C. Emergence of the root D. Expansion and greening of the first true foliage leaves E. Imbibition of water by the seed
A glucose molecule is to starch as _____.
A. a steroid is to a lipid B. a protein is to an amino acid C. a nucleic acid is to a polypeptide D. a nucleotide is to a nucleic acid E. an amino acid is to a nucleic acid