Which of the following statements is true? a. only a few animal and plant cells have vacuoles. b. all animal cells have at least one vacuole, but only some plant cells have vacuoles. c. all plant cells have at least one vacuole, but only some animal cells have vacuoles. d. all animal and plant cells have at least one vacuole.
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Biology, 21.06.2019 20:30
What is the phylum of soft bodied animals with a true bosy cavity and a three part body consisting of a foot visceral mass and a mantle
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Biology, 22.06.2019 21:00
Which muscle cell structure stores calcium ions that are used to trigger the contraction?
Answers: 1
Biology, 23.06.2019 00:30
In 1859, the english naturalist charles darwin published a book entitled on the origin of the species. one of the major ideas that was presented in his book was the theory of natural selection. what was another idea that was presented in his book?
Answers: 1
Biology, 23.06.2019 01:00
Red–green color blindness is an x-linked recessive trait in humans. polydactyly (extra fingers and toes) is an autosomal dominant trait. martha has normal fingers and toes and normal color vision. her mother is normal in all respects, but her father is color blind and polydactylous. bill is color blind and polydactylous. his mother has normal color vision and normal fingers and toes. if bill and martha marry, what proportions of children with specific phenotypes would they be expected to produce? the answers only include the proportions of some of the possible phenotypes; other phenotypes are also expected to occur but are not included.
Answers: 2
Which of the following statements is true? a. only a few animal and plant cells have vacuoles. b. a...
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