Which type of epithelial cells act in absorption and secretion?
a. Columnar and stratified squamous
b. Columnar and cuboidal
c. Simple squamous and columnar
d. Cuboidal and simple squamous
e. Stratified squamous and columnar
b
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Which invertebrate is thought to reign as a formidable predator?
a. Squids b. Lobsters c. Whelks d. Seastars
How could the formation of membranes have promoted the evolution of the first true cells?
What will be an ideal response?
The evolutionary process that created chloroplasts and mitochondria is:
A. punctuated equilibrium. B. evolution. C. symbiosis. D. endosymbiosis.
In humans, ability to roll the tongue (R) is dominant to being unable to roll (r). Having freckles (F) is dominant to having no freckles (f)
If a woman heterozygous for both traits married a man with no freckles who couldn't roll his tongue, what is the probability that they would have a freckled, tongue-rolling child? A. 9/16 B. 3/16 C. 1/16 D. 3/4 E. 1/4