Why can scratching or chipping the seed coat speed up the germination of hard-coated seeds like alfalfa?
A. The mechanical stress activates hydrolytic enzymes.
B. Water and oxygen can enter the seed to reach the embryo more quickly.
C. Carbon dioxide can enter the seed and stimulate photosynthesis.
D. Bacteria or fungi can enter the seed and release growth factors.
E. Damage to the seed coat triggers the aleurone layer to release amylase.
B. Water and oxygen can enter the seed to reach the embryo more quickly.
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The final electron acceptor during the process of oxidative phosphorylation is which of the following?
a. carbon dioxide b. water c. oxygen d. glucose
Each of the following correctly matches a five vesicle stage structure to its three vesicle stage origin, EXCEPT
A. Diencephalon - Forebrain B. Mesencephalon - Midbrain C. Metencephalon - Midbrain D. Myelencephalon - Hindbrain E. Telencephalon - Forebrain
Which branch of this phylogenetic tree identifies Eukarya?
a. A b. B c. C d. D e. E
Glycolysis is a ________-step reaction sequence that converts glucose into ________ and generates a net total of ________ ATPs
Fill in the blank with correct word.