All of the requirements for diffusion are met when:a
the surface of the organism is thin.
b. the surface to volume ratio is large.
c. the surface is moist.
d. the surface is thin and moist.
e. the surface is thin and moist, and the surface to volume ratio is large.
E
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Which of the following statements about plant development is true?
A. The radial axis of the developing embryo develops before the root-shoot axis. B. A single gene is responsible for the control of all root and shoot formation. C. The MONOPTEROS gene (MP) stimulates chlorophyll synthesis in seeds. D. Gibberellic acid is important in root-shoot axis formation. E. Cells nearest to the suspensor ultimately form the root.
The total DNA in a cell is referred to as the:a
genome. b. cDNA. c. library. d. chromosomal DNA. e. Human Genome project
Which of the following is involved in the RNA sequencing process?
A. direct sequencing of RNA molecules B. extraction of DNA from a cell C. isolation of RNA from a cell followed by fragmentation of RNA D. generation of RNA from cDNA sequences E. conversion of the RNA to complementary DNA (cDNA) sequences
At which gestational age does a developing human fetus first look obviously human and not like other vertebrate embryos?
A) 2 weeks B) 4 weeks C) 9 weeks D) 4 months