_________ is the first fully synthetic fibre.
A. Acrylic
B. Polyester
C. Nylon
D. Rayon
Ans: C. Nylon
Biology & Microbiology
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Which of the following is considered the opposite of endocytosis?
a. Pinocytosis b. Phagocytosis c. Exocytosis d. Receptor-mediated endocytosis
Biology & Microbiology
Place the following in the correct order of the
structures blood flows through beginning with the arrival of blood at the vena cavae and ending with the blood flowing to the lungs. 1. right atrioventricular valve 2. pulmonary artery 3. right ventricle 4. right atrium 5. pulmonary valve
a. 4-3-5-2-1 b. 4-1-3-5-2 c. 4-2-3-1-2 d. 3-1-4-5-2 e. 3-2-4-5-1
Biology & Microbiology
The collarbone is the
a. tibia. b. patella. c. scapula. d. clavicle. e. tarsal.
Biology & Microbiology
A male that mates for the optimal time will not fertilize all of the eggs carried by a female.
a. true b. false
Biology & Microbiology