Which of the following is a stem modification for storage?
A) tuber
B) petiole
C) internode
D) runner
A
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Recombination occurs during meiotic
A) anaphase B) interphase C) prophase D) metaphase
Which of these could be characterized as a microbiome? Choose all that apply.
A. Plaque scraped off a person's teeth B. Fish in an ocean current C. A broad collection of bacteria collected from an animal's intestinal tract D. Mammals at the zoo E. The collection of archaea and bacteria species living in a deep-sea hydrothermal vent
Several of the different globin genes are expressed in humans, but at different times in development. What mechanism could allow for this?
A) exon shuffling B) intron activation C) pseudogene activation D) differential translation of mRNAs E) differential gene regulation over time
What are epithelial cells with a flat, irregular shape and tapered edges called?
A. columnar B. pseudostratified C. squamous D. cuboidal E. stratified