These biological compounds are nonpolar and insoluble in water:
A. lipids
B. carbohydrates
C. nucleic acids
D. proteins
Answer: A
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There is no correlation between genome size and complexity of an organism
A. true B. false
Answer the following statements true (T) or false (F)
1. Maternal effect genes are inherited via the mitochondria. 2. Epistasis often involves genes of an enzymatic pathway. 3. The actions of Xist result in an organism that is a phenotypic mosaic. 4. In biparental inheritance, paternal and maternal gametes provide chloroplasts to the zygote. 5. Genomic imprinting can result in offspring with identical genotypes that have different phenotypes.
Is the study presented above a controlled experiment?
A) Yes, because only the amount of fertilizer was changed, everything else was kept the same. B) Yes, because many pots were used. C) No, because the experiment was done only once. D) No, because several different amounts of fertilizers were used, not just one amount.
In a population of plants with a diploid number of 12, a new individual appeared with a chromosome number of 24. If this organism could self-fertilize, forming offspring with the same number of chromosomes (24), scientists would consider this an example
of A) sympatric speciation. B) behavioral isolation. C) formation of a hybrid zone. D) reduced hybrid fertility.