Which of these statements concerning the
centromere is NOT true?
a. It appears to join duplicated DNAs.
b. It anchors proteins to DNA.
c. Its position along the chromosome varies.
d. It is the location site for microtubule
attachment.
e. It is temporary.
Answer: b
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Integrins are glycoproteins that help link the cytoskeleton and the:
A. cytoplasm. B. cell wall. C. ribosomes. D. extracellular matrix.
Match the kind of plastid with its function.
A) chromosome movement B) flower color C) plastid precursor D) nucleic acid production E) lipid storage F) starch storage G) protein production H) chloride storage I) photosynthesis J) protein storage 1) proplastid 2) amyloplast 3) chloroplast 4) chromoplast 5) elaioplast
The ear drum/ tymanic membrane ____ when sound waves hit it.
Fill in the blank(s) with the appropriate word(s).
What is the function of the sepal of a flowering plant?
a. To absorb sunlight for photosynthesis b. To protect the flower bud c. To attract pollinators d. To absorb nutrients e. To bear ovules