The mesophyll of the leaf
A. is exposed to direct sunlight.
B. is located between the leaf veins.
C. is mostly along the edges of the leaf.
D. is made up of palisade and spongy parenchyma cells.
E. is sometimes found in roots or stems.
Answer: D
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Endospores of certain bacterial species can enter tissues in the human body, germinate, and cause an infectious disease.
Answer the following statement true (T) or false (F)
If a cell begins to divide in an uncontrolled way, it ____
a. will always form a cancerous tumor b. may form a benign tumor c. is a sign of metastasis d. is considered a malignant tumor e. signals uncontrolled cell division in other parts of the body
A pathologist detects Negri bodies while examining a brain section taken at autopsy. What was the cause of death?
A) rabies B) meningococcal meningitis C) eastern equine encephalitis D) Hansen's disease E) poliomyelitis
The rigid layer that is present in the cell walls of Bacteria that is primarily responsible for the strength of the wall is known as
A) pseudomurein. B) S-layer. C) cellulose. D) peptidoglycan.