Which of the following contribute to the environmental resistance of bacterial endospores?
A. Presence of calcium dipicolinate
B. Spore coat
C. Low water content of endospore
D. Lower pH
E. All of the choices are correct.
Answer: E
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The best way to determine paternity is with ________
A) an RFLP analysis of the entire genome B) a PCR of the X chromosome C) a histochemistry workup D) Y-chromosome analysis E) blood cell analysis
Suppose 64% of a remote mountain village can taste phenylthiocarbamide (PTC) and must, therefore, have at least one copy of the dominant PTC taster allele
If this population conforms to Hardy-Weinberg expectations for this gene, what percentage of the population must be heterozygous for this trait? A) 16% B) 32% C) 40% D) 48%
Which of the following statements is/are true of long noncoding RNAs?
A) They are involved in X chromosome inactivation. B) They can silence genes by promoting the formation of euchromatin. C) They can regulate the translation and stability of mRNAs. D) They can trigger the activity of histone acetyltransferases.
protein is created in which organelle?
What will be an ideal response?