BIO 150 FINAL EXAM REVIEW COMPLETE QUESTIONS & ANSWERS.

Correlations between any two given variables may be due to causative effects. True or False? - ANSWER True Because randomized experimental studies are the gold standard of scientific research studies, ecologists only use this study design in their research. True or False? - ANSWER False A deoxyribose nucleotide comprises of __________________________________. - ANSWER a phosphate group, a 5-C deoxyribose sugar, a nitrogenous base Meiosis is the division of one cell into 2 identical daughter cells. True or False? - ANSWER False Chromosomes replicate before meiosis as well as before mitosis. True or False? - ANSWER True During DNA synthesis, the new strand is elongated in the (i) _____________direction, and during mRNA transcription, the mRNA is elongated in the (ii) _________________direction. - ANSWER (i) 5'-3 direction; (ii) 5'-3 direction The sequence of mRNA produced during transcription is the same as the (i) ________________with (ii) __________________. - ANSWER (i) coding strand; (ii) T in the template strand becomes U in the mRNA ____________________ is/are removed from the initial eukaryotic mRNA transcripts. - ANSWER Introns Which of these properties of the triplet codon guards against substitution mutations being always deleterious (harmful)? - ANSWER Redundancy in the code How many alleles of a given gene would the cell of a diploid individual contain? - ANSWER 2 Microevolution occurs at the level of the ____________________. - ANSWER population Natural selection will not occur if ________________________________. - ANSWER all offspring produced in each generation survive