The duration of a person's life is referred to as

A) aging.
B) longevity.
C) eon.
D) gestation.
E) puberty.


B

Biology & Microbiology

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Which of the following are not part of the shoot system?

A. leaves B. stems C. flowers D. roots E. fruits

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. A single pre-mRNA can be alternatively spliced into more than one type of mRNA. 2. If an acetyl group is added post-translationally to a protein, it can be subsequently removed. 3. A simple dot matrix is an efficient method to identify homologous regions of long DNA sequences. 4. DNA sequences from several different vertebrates are translated and found to contain a gene. Comparison of the sequences shows that they are 95% identical to each other. Therefore, it can be concluded that the genes are homologs. 5. Sequences that are alike will produce a horizontal line in a dot matrix analysis.

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During which process would a cell plate form?

A) cytokinesis in an animal cell B) cytokinesis in a plant cell C) mitosis in an animal cell D) mitosis in a plant cell

Biology & Microbiology

Which person might have a high basal metabolic rate?

A) a 70-year-old woman who knits for most of the day B) a 30-year-old man who is a professional athlete C) a 50-year-old woman who exercises twice a week D) a 65-year-old man who walks three miles daily

Biology & Microbiology