Which of the following ECM molecules is probably the most abundant organic molecule on Earth?
A. proteoglycans
B. collagen
C. chitin
D. cellulose
E. laminins
D. cellulose
You might also like to view...
The muscular tube between the throat and stomach is the:
a. pharynx b. epiglottis c. small intestine d. esophagus e. trachea
There is a __________ flow of energy into and out of
an ecosystem, and a cycling of materials among resident species. Fill in the blank(s) with the appropriate word(s).
In rabbits, there are four alleles at the c locus. Arranged in dominance sequence they are C (agouti), cch (chinchilla), ch (Himalayan), and c (albino) ? Which of the following crosses will NOT be possible? ?
A. Two agouti rabbits to produce both chinchilla and Himalayan offspring B. Two chinchillas to produce 1/2 chinchilla and 1/2 Himalayan C. Two albino rabbits to produce all albino rabbits D. One Himalayan and one chinchilla to produce chinchilla rabbits E. One agouti and one chinchilla to produce agouti rabbits
Which category of genetic changes does not lead to the formation of oncogenes?
A) translocations B) point mutations C) correct DNA repair D) copy number changes