In a certain species of fly, eye color is designated by the W+ and w alleles, with the W+ allele being dominant. Typical eye color is red for these flies, while a rarer white color variant exists. In this species, W+ is the ________ and w is a ________.
Fill in the blank(s) with the appropriate word(s).
wild type ; mutant
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Which of the following is not attributable to the immune defense system?
a. defends against pathogenic microorganisms. b. converts foreign chemicals into compounds that can be more readily eliminated in the urine. c. removes worn-out cells and tissue debris. d. identifies and destroys abnormal or mutant cells. e. can inappropriately induce allergic responses and autoimmune disease.
The space of Disse is located:
(A) in periportal zone (B) between hepatocytes (C) between hepatocytes and sinusoids (D) between two adjacent sinusoids
Which of the following structures is found in the nucleus?
A. chromosome B. flattened membrane sacs C. cisternae D. cristae E. cytosol
The fibrocartilage pad between the medial condyle of the femur and the medial condyle of the tibia is called the ________
A) infrapatellar bursa B) lateral meniscus C) posterior cruciate ligament (PCL) D) anterior cruciate ligament (ACL) E) medial meniscus