The S. aureus product that causes scalded skin syndrome is/are
A. exfoliation toxin.
B. lipases.
C. leukocidins.
D. protein M.
E. All of the choices are correct.
A.
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The organ system that is responsible for transporting nutrients, gases, hormones, and antibodies for immune response.
A) Muscular
G) Respiratory
B) Reproductive
H) Skeletal
C) Digestive
I) Nervous
D) Cardiovascular
J) Endocrine
E) Integumentary
K) Lymphatic
F) Urinary
Homeotic genes
a. cause lethal mutations. b. regulate development of specific body parts. c. are found only in fruit flies, where they are responsible for odd placement of appendages. d. produce "fate maps." e. form as blocks of genes in cells randomly distributed throughout the body
In Figure 37-5, the structure labeled 2:
a. responds to a lack of light. b. protects the stem tip as it moves through the soil. c. is the first structure to emerge from the seed during germination. d. is called the coleoptile. e. surrounds and protects the young shoot.
The human embryo becomes a fetus at the end of the second month of gestation.
Answer the following statement true (T) or false (F)