Bacteria differ from Archaea in that 

A. Archaea have peptidoglycan in their cell walls.
B. Bacteria have peptidoglycan in their cell walls.
C. Archaea have DNA which is in the shape of a ring.
D. Bacteria have DNA which is in the shape of a ring.


B. Bacteria have peptidoglycan in their cell walls.

Biology & Microbiology

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Which of the following is a correct sequence of processes that takes place when a flowering plant reproduces?

A) meiosis ? fertilization ? pollination ? germination B) fertilization ? meiosis ? nuclear fusion ? formation of embryo and endosperm C) meiosis ? pollination ? nuclear fusion ? formation of embryo and endosperm D) growth of pollen tube ? pollination ? germination ? fertilization E) meiosis ? mitosis ? nuclear fusion ? pollination

Biology & Microbiology

Which region is part of the hindbrain in humans?

1.Telencephalon 2.Cerebrum 3.Thalamus 4.Hypothalamus 5.Medulla oblongata

Biology & Microbiology

Tendons attach ________ to bone

Fill in the blank(s) with correct word

Biology & Microbiology

Broad, flat, deciduous leaves are fan shaped; ovules develop into naked seeds.

a. Mosses b. Ferns c. Conifers d. Gingkos e. Angiosperms

Biology & Microbiology