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

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

Chemoreception is critical to most insects. Where do insects detect smells/tastes>

a. Mouthparts b. Legs c. Antennae d. All of the above

Biology & Microbiology

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

Biology & Microbiology