The cytoplasmic space in eukaryotic cells is occupied by many diverse membrane-bound structures with specific cellular functions called:
A. flagella.
B. organelles.
C. receptors.
D. cilia.
E. chromosomes.
B
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Even before organs begin to form, rudimentary forms of bone begin to form in a fetus due to _____________.
A) the breakdown of hyaline cartilage. B) the formation of secondary ossification sites. C) the activity of chondroblasts. D) the formation of an osteoclast. E) the activity of growth hormone.
Explain why the xylem of angiosperms is probably more efficient at transporting water and minerals than the xylem of gymnosperms
What will be an ideal response?
Which of the following sequences is most likely to be cut by a restriction enzyme?
A) AATTCT TTAAGA B) AATATT TTATAA C) AAAATT TTTTAA D) ACTACT TGATGA
Most microorganisms in the body have the potential to cause illness
Indicate whether the statement is true or false