_____________________________ is the process by which a parental chromosome is copied and yields 2 new daughter chromosomes.
DNA replication
Protein synthesis
Transcription
Translation
Multiplication
DNA replication
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What made it easier for animals (compared to plants) to move to land?
A. Animals had already evolved appendages or limb-like fins. B. Animals had already evolved a dessicant-resistant covering. C. Animals already relied on cartilaginous or bony endoskeleton. D. Animals already had mouthparts to eat tough lignin (woody) tissue.
In an experimental situation, a student researcher inserts an mRNA molecule into a eukaryotic cell after she has removed its cap and poly-A tail. Which of the following would you expect her to find?
A) The mRNA is quickly converted into a ribosomal subunit. B) The cell adds a new poly-A tail to the mRNA. C) The mRNA attaches to a ribosome and is translated, but more slowly. D) The molecule is digested by enzymes because it is not protected at the end.
Currently, the only possible cure for genetic
disorders is
a. genetically modified drugs. b. xenotransplantation. c. whole genome replacement. d. gene therapy. e. GMOs.
Which of the following structures is found inside the nuclear membrane?
A. endoplasmic reticulum B. centriole C. cell membrane D. nucleolus