The membrane that surrounds the central vacuole is the ____
a. chloroplast
b. tonoplast
c. chromoplast
d. amyloplast
e. ionoplast
ANSWER: b
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The outer layer of the skin is composed of protective____ epithelium
a. simple squamous b. simple cuboidal c. stratified columnar d. simple columnar e. stratified squamous
In addition to seeds, which of the following characteristics is unique to the seed-producing plants?
A) sporopollenin B) lignin present in cell walls C) pollen D) megaphylls
If a phylogeny is based on the natural evolution of organisms, it could
A. explain the variations among fossils from rock strata. B. explain why there are similarities and differences among modern living groups. C. reflect patterns of shared and unique sections of DNA among groups of animals. D. help predict where unresearched features will be in common, such as how widely a medicine will be effective among animals. E. All of the choices are correct.
How is a prokaryotic cell different from an eukartotic cell?
What will be an idial response.