A clear fluid lubricates
A) ligaments.
B) suture.
C) fibrous joints.
D) synovial joints.
E) hyaline cartilage.
D
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Fly species W, found in a certain part of the island, produces fertile offspring with species Y. Species W does not produce fertile offspring with species X or Z. If no other species can hybridize, then which of the following statements about species W
and Y are true? I) Species W and Y have genomes that are still similar enough for successful meiosis to occur in hybrid flies. II) Species W and Y have more genetic similarity with each other than either did with the other two species. III) Species W and Y may fuse into a single species if their hybrids remain fertile over the course of many generations. A) Only I is correct. B) Only II is correct. C) Only III is correct. D) I, II, and III are correct.
In bacteria, initiator tRNA carries formyl methionine.
Answer the following statement true (T) or false (F)
Foreign species that have negative effects on native species are called:a
prey species. b. non-native species. c. invasive species. d. predator species. e. endemic species
The protozoan Didinium feeds on other organisms by engulfing them. Why are bacteria, in general, unable to feed on other cells in this way?
What will be an ideal response?