Severe combined immune deficiencies (SCID) affect both
A) humoral and cellular immunity.
B) white blood cells and red blood cells.
C) mast cells and macrophages.
D) helper B cells and cytotoxic B cells.
A) humoral and cellular immunity.
You might also like to view...
Microbial cells first evolved on Earth approximately ________ billion years ago
A) 1.6 to 1.8 B) 3.8 to 3.9 C) 5.4 to 5.6 D) 7.0 to 7.2
Which of the following is a reversible post-translational covalent modification?
A. phosphorylation B. acetylation C. disulfide bond formation D. phosphorylation and acetylation E. acetylation and disulfide bond formation
The Danish physician Hans Christian Gram
A. developed the Gram-stain technique B. devised the metric system of weights (milligrams, grams, kilograms) C. developed the procedures for determining whether a particular organism causes a specific disease D. developed both the Gram stain and the method of determining whether a particular organism causes a specific disease E. none of the other options presented
Which number identifies the sequence most directly impacted by chromatin remodeling?
a. 1 b. 2 c. 3 d. 4 e. 5