What criteria can be used to identify species? Select all that apply.
_____ The ability to interbreed
_____ Molecular similarity
_____ Ecological factors
_____ Evolutionary relationships
__X__ The ability to interbreed
__X__ Molecular similarity
__X__ Ecological factors
__X__ Evolutionary relationships
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Most of the carbon dioxide in the blood of humans is transported
A. as dissolved CO2 in plasma. B. as bicarbonate ion in plasma. C. attached to hemoglobin in red blood cells. D. attached to hemoglobin in plasma. E. as carbonic acid.
Respond to statements 104–108 in reference to the four source
tissues of plant roots listed below. a. primary meristems b. primary tissues c. pericycle d. vascular cambium M 104. This tissue gives rise to epidermis and cortex. D 105. This tissue gives rise to protoderm and procambium. D 106. This tissue gives rise to ground meristem. M 107. This tissue gives rise to cork cambium. D 108. This tissue gives rise to secondary phloem and xylem.
If a bacterial culture growing on an agar plate was exposed to UV light at a wavelength of 254 nm for 10 minutes, and then a bacterial smear was made of the culture, would you expect to see bacterial cells on the slide?
A) No, the cells will have fragmented. B) Yes, the cells will still be present but UV light will have damaged the DNA.
Which of the following sex-linked diseases is characterized by the absence of a clotting factor?
What will be an ideal response?