A common type of autoinducer found in gram-negative bacteria are acyl homoserine lactones (AHL).
Answer the following statement true (T) or false (F)
True
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This apparatus was used in the primitive Earth
atmosphere simulation experiments performed by a. Stanley Miller. b. Thomas Brock. c. Australian researchers. d. Jeon Kwang. e. Lynn Margulis.
Which is the dominant structure during the life cycle of a fern?
1.gametophyte
2.sporophyte
3.archegonium
4.sporangium
What is the reason for the prevalence of the sickle-cell allele in African populations?
A) Heterozygotes have some resistance to the parasite that causes malaria. B) Sickled cells are better able to clot blood. C) African populations tend to be at higher altitudes, and sickled cells better bind oxygen in these environments. D) Sickled cells help prevent vitamin A deficiency among African populations.
Diploid cell formed by the union of two gametes; the product of fertilization.
What will be an ideal response?