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.
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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
Which region is part of the hindbrain in humans?
1.Telencephalon 2.Cerebrum 3.Thalamus 4.Hypothalamus 5.Medulla oblongata
Tendons attach ________ to bone
Fill in the blank(s) with correct word
Broad, flat, deciduous leaves are fan shaped; ovules develop into naked seeds.
a. Mosses b. Ferns c. Conifers d. Gingkos e. Angiosperms