Assume that a base addition occurs early in the coding region of a gene. Is the protein product of this gene expected to have more or fewer altered amino acids compared with the original gene with a base deletion late in the coding region?
What will be an ideal response?
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Which of the following is properly paired for the anammox reaction?
A. Sulfate (SO4-2) as the electron donor; Sulfite (SO3-2) as the electron acceptor B. Nitrate (NO3-) as the electron donor; Nitrite (NO2-) as the electron acceptor C. Phosphate (PO4-3) as the electron donor; Carbonate (CO3-2) as the electron acceptor D. Ammonium (NH4+) as the electron donor; Nitrite (NO2-) as the electron acceptor
In plant cells, which of the following acts as a storage compartment and water reservoir?
a. Central vacuole b. Golgi apparatus c. Cell wall d. Nuclear envelope
Stomata ____
a. are found in the root cells b. may be found scattered anywhere throughout the plant c. allow the movement of gases into and out of plants d. are more numerous on the top surface of a leaf
e. remain open at all times__________ is the arrival of pollen grains on a receptive stigma. Fill in the blank(s) with the appropriate word(s)