Blisters are
A. confined to epidermis
B. originate in the dermis
C. originate in the subcutaneous layer
D. result from a separation of epidermis from dermis
E. None of the choices are correct
Answer: D. result from a separation of epidermis from dermis
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Genes on the same chromosome are known as
1.linked genes. 2.co-dominant genes. 3.sister chromatids. 4.homozygotes. 5.heterozygotes.1
Given your results from the baby's spit up/vomit, you run an X-ray while the baby is eating. This allows you to determine whether there is a blockage in the organ that generates that enzyme (physical), or if there is a problem with the enzymes themselves (chemical). Which of the following results would help you decide whether the problem is solely physical or chemical?
a. Chemical: The enzyme was spit up, but the digestive path appears normal b. Physical: The enzyme was spit up, but the digestive path appears normal c. Chemical: The enzyme was spit up, but the digestive path has a lump stopping movement of food d. Physical: The enzyme was not spit up, but the digestive path has a lump stopping movement of food e. Chemical: The enzyme was not spit up, and the digestive path appears normal
Chemoreception is critical to most insects. Where do insects detect smells/tastes>
a. Mouthparts b. Legs c. Antennae d. All of the above
What is the name of the DNA region that controls the expression of a cluster of genes through methylation?
A) imprinting control regions B) promoters C) enhancers D) insulators E) epimutations