Monosaccharides and amino acids absorbed from the gut enter _____
a. blood vessels c. fat droplets
b. lymph vessels d. both lymph vessels and fat droplets
A
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Phylogenetic stains, such as those used in FISH, hybridize with
A) ribosomal RNA. B) mitochondrial DNA. C) nuclear DNA. D) RNA polymerase.
Woolly adelgids are insects that were accidentally brought to the United States from Japan. How have they impacted the ecosystems here in the United States? Select all that may apply.A) They infect hemlock trees, causing their quick deaths.B) Less dense shrubs replace dead hemlocks, reducing soil moisture and temperature.C) Amphibians are displaced because of soil moisture and temperature changes.D) Mature trees replace hemlocks, increasing shade cover to the underbrush below.E) As soil moisture and temperature changes, amphibian diversity increases.
What will be an ideal response?
Osmosis moves water from a region of
A) high solute concentration to a region of low solute concentration. B) low solute concentration of to a region of high solute concentration. C) low concentration of water to a region of high concentration of water. D) negative osmotic potential to a region of positive osmotic potential. E) hypertonic solution to a region of hypotonic solution.
What are the cellular mechanisms that must fail before a DNA replication error becomes a mutation?
A. translation and transcription B. transcription and proofreading C. proofreading and repair D. replication and translation E. replication and repair