Myofibril contractile subunits, the sarcomeres, are bounded on each end by a disc of protein called the
A. Z line.
B. I band.
C. H band.
D. M line.
E. A band.
Answer: A
Biology & Microbiology
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Fungi generally digest large organic molecules
a. in special compartments called arbuscules. b. within feeding hyphae. c. in visible mushrooms. d. in special compartments called haustoria. e. outside of their cells.
Biology & Microbiology
In an organism with 16 chromosomes per cell, how many DNA molecules are present in a cell undergoing anaphase of mitosis?
A) 8 B) 16 C) 24 D) 32 E) 64
Biology & Microbiology
Organic acids are widely used in the preservation of food. They promote spore germination and prevent bacterial and fungal growth.
a. true b. false
Biology & Microbiology
A region's biodiversity is measured at three levels: _____ within species, _______diversity, and _______diversity.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology