Natural selection is one mechanism to change allele frequency in a gene pool, what is the name of the mechanism that fosters change in allele frequencies due to random chance?
A. Genetic Drift.
B. Natural selection also fosters these changes.
C. Non-Darwinian evolution.
D. Neutral variation.
E. Gene flow from one population to another.
A. Genetic Drift.
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Which eukaryotic organelle is associated with the breakdown of macromolecules?
A. endoplasmic reticulum B. Golgi apparatus C. mitochondria D. lysosome
Shoots and roots consist of __________,
__________, and __________ tissue systems. Fill in the blank(s) with the appropriate word(s).
The reactions of photosynthesis are divided into two categories:a
light-independent reactions and carbon fixation reactions. b. carbon fixation reactions and oxygen fixation reactions. c. light-dependent reactions and carbon fixation reactions. d. light-dependent reactions and citric acid cycle. e. chemiosmosis and photochemical reactions.
In a typical human secretory cell, which of the following membranes has the largest surface area?
A.) lysosomes B.) plasma membrane C.) smooth ER D.) rough ER E.) nuclear inner membrane