Which of the following type of organism is most likely an autotroph?
A. caribou
B. lion
C. human
D. tree
E. parasite
D. tree
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Which one of the following describes an event that takes place during gene regulation at the level of the chromosome?
A. Chromatin becomes condensed in order for transcription to begin. B. Chromatin coils so it can become more accessible to the proteins that carry out transcription. C. RNA polymerase and associated proteins bind to nucleosomes. D. Chromatin is remodeled and nucleosomes are repositioned so that specific regions of the DNA can be made available for transcription. E. Cytosine bases in the sequence near the promoter of a gene become methylated in order to stimulate transcription.
The field of study that focuses on how genes determine an individual's response to a medication is ____
a. pharmacokinetics b. pharmacodynamics c. pharmacogenetics d. pharmacotherapeutics e. pharmacoeugenics
As a Drosophila larva molts and becomes a pupa, most of the larval tissues die and adult structures are formed from cells in clusters known as imaginal discs that have remained unchanged throughout the larval stages
Therefore, the disc cells are __________. A) maternal B) zygotic C) embryonal D) differentiated E) transcriptionally activated
Copies of chromosomes linked together at their centromeres at the beginning of meiosis are appropriately called what kind of chromatids?
A) Sister B) Daughter C) Homologous D) Mother