Egg cells were combined with this cell type to form the cloned sheep named Dolly.  

A.  skin cells
B.  sperm cells
C.  mucous membrane cells
D.  mammary cells
E.  ovarian cells


D.  mammary cells

Biology & Microbiology

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The membrane that surrounds the central vacuole is the ____

a. chloroplast

b. tonoplast c. chromoplast d. amyloplast e. ionoplast

Biology & Microbiology

What division process is used in sexual reproduction?

a. Meiosis b. Gamete c. Cytokinesis d. Mitosis

Biology & Microbiology

A one-way relationship in which one species benefits

at the expense of another is a. commensalism. b. competitive exclusion. c. parasitism. d. obligate mutualism. e. a neutral relationship.

Biology & Microbiology

The fact that DNA is the molecule containing the genetic code for all life on Earth is a part of

A. evidence of artificial selection. B. biogeographical evidence. C. comparative embryological evidence. D. comparative anatomical evidence. E. biochemical evidence.

Biology & Microbiology