Provide at least two types of evidence that support the endosymbiont theory. What will be an ideal response?
Concepts to Consider: Chloroplasts and mitochondria have their own circular DNA and ribosomes;
both are enclosed by a double membrane: prokaryote-like protein synthesis machinery.
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The perianth of a flower consists of:
A. the pistil and stamens B. the petals and sepals C. the peduncle and receptacle D. the anthers and stigma E. the style and ovary
An example of an organism's genotypic characteristic is its:
a. macroscopic morphologic structure. b. microscopic morphologic structure. c. nucleic acid composition. d. antigenic properties.
In a developing human embryo, the hands and feet resemble mittens, with cells and tissues present between the fingers and toes. When a baby is born, these cells are not present, resulting in distinct fingers and toes. In the development of fingers and toes these cells were lost by ____.
A. cell connections B. cell migration C. apoptosis D. cell division E. cell morphology
Propanol and isopropanol are isomers. This means that they have
A) the same molecular formula but different chemical properties. B) different molecular formulas but the same chemical properties. C) the same molecular formula and the same chemical properties. D) the same molecular formula but represent different states of the compound.