The RNA molecule involved in both transcription and translation is ________ Fill in the blank(s) with the appropriate word(s)

Human infants of extremely low or high birth weights survive at lower rates than do babies of average birth weight. This is an example of ________ selection

a. directional b. disruptive c. stabilizing d. sexual

A phylogenetic tree grouping that consists of a common ancestor and all of its descendants is known as a ________ group

A) monophyletic B) paraphyletic C) polyphyletic D) polytomy

During meiosis I in humans, one of the daughter cells receives

a. only maternal chromosomes. b. a mixture of maternal and paternal chromosomes. c. the same number of chromosomes as that of a diploid cell. d. a sister chromatid from each chromosome. e. one-fourth the amount of DNA in the parent nucleus.

Which of the following pairs is mismatched?

A) endoplasmic reticulum — internal transport B) Golgi complex — secretion C) mitochondria — ATP production D) centrosome — food storage E) lysosome — digestive enzymes