In tropical seas, dinoflagellates are the most common source of ____________________, light produced by a living organism
Fill in the blank(s) with correct word
bioluminescence
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The Principle of ________ states that the 2 alleles present at each gene locus separate from one another during gamete formation and remain distinct.
A. Alleles B. Segregation C. Crossing over D. Dominance E. Independent assortment
Which cellular organelle packages enzymes and forms lysosomes?
A) Smooth ER B) Rough ER C) Mitochondrion D) Golgi apparatus
Clonal selection
A) determines the pool of mature leukocytes that will be stimulated by macrophages. B) requires the activation of natural killer cells. C) describes the proliferation of B and T lymphocytes after they have been activated by an antigen. D) requires the presence and activation of complement.
In humans, where does fertilization occur?
A. in the vagina B. in the fallopian tubes C. externally D. in the ovary