All of the following are taken into consideration when calculating ecological footprint except
A. acreage for food production.
B. acreage to absorb the carbon dioxide produced by burning fossil fuel.
C. acreage for forest products.
D. acreage for housing.
E. acreage for recreation.
Answer: E
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The protein chains in a complete antibody molecule are connected to each other by ________ bonds.
A. ionic B. disulfide C. peptide D. None of the choices are correct.
Which of the following has to be a haploid cell?
a. a cell with 6 chromosomes b. a cell with 3 chromosomes c. a cell with 12 chromosomes d. a cell with 24 chromosomes
Mitosis is the process by which a cell divides to produce two daughter cells. During which phase of mitosis do the sister chromatids separate?
a. prophase b. prometaphase c. metaphase d. anaphase e. telophase
Which of the following pathways are operational in a cell growing via fermentation?
A) glycolysis, intermediate step, and the Krebs cycle B) glycolysis and intermediate step only C) glycolysis D) intermediate step E) Krebs cycle