If the mitosomes of Giardia contain no DNA, yet are descendants of what were once free-living organisms, then where are we likely to find the genes that encode their structures, and what accounts for their current location there?

A) plasmids; conjugation
B) plasmids; transformation
C) nucleus; horizontal gene transfer
D) nucleus; S phase


C

Biology & Microbiology

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Four of the five answers listed below are periods of the cell cycle. Select the exception

a. G1 b. M c. R d. S e. G2

Biology & Microbiology

Sperm use ____ for their energy source

a. fructose b. glucose c. ions d. semen e. prostate gland secretions

Biology & Microbiology

Other features of some synovial joints

What will be an ideal response?

Biology & Microbiology

Plants are capable of growth throughout their entire lifespan because of specialized tissue known as the

A. petiole B. cotyledon C. xylem D. meristem

Biology & Microbiology