Which of the following is directly involved in the initiation of dental caries?
A) sucrose
B) lysozyme
C) lactic acid
D) crevicular fluid
E) dentin
C
You might also like to view...
Which of the following is a serious form of skin cancer that spreads quickly to other parts of the body?
a. squamous cell carcinoma b. multiple myeloma c. basal cell carcinoma d. malignant melanoma e. oat cell carcinoma
The splicing regulatory protein (SR) identifies exons to be included in mRNA. How might SR proteins regulate alternative splicing?
A) There are alternative binding regions for these proteins within each exon. B) There are alternative SR proteins in different tissues at different stages of development. C) The SR proteins lose the ability to bind to exon splice suppressors. D) The SR proteins recruit the splicing small RNAs (U1, U2,…) or unusual ones. E) The spliceosome complex can bind only to regions with bound SR proteins.
What does the DPT vaccine protect against?
A) whooping cough B) bacterial meningitis C) human papillomavirus D) influenza
Which lineage of Cnidarians exist primarily as cube-shaped medusae, are active swimmers, and produce one of the deadliest toxins made by animals?
a. Hydrozoa b. Trematoda c. Cubozoa d. Anthozoa