Which of the statements about haptens is correct?
A. Haptens are usually large proteins.
B. Haptens are generally large polysaccharides.
C. Haptens are typically lipid molecules.
D. Haptens are usually small organic molecules.
Answer: D
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The production of an rna molecule that is complementary to one particular DNA sequence is called:
A. transduction B. translation C. replication D. splicing E. transcription
Snapping division is a hallmark trait of ________ which can be visualized under a microscope by ________
A) Actinobacteria / two adjacent cells linked, appearing as an M dividing into four B) Actinobacteria / one cell appearing as a V dividing into two C) Coryneform bacteria / two adjacent cells linked, appearing as an M dividing into four D) Coryneform bacteria / one cell appearing as a V dividing into two
Which of the following bacterial-caused STDs
is resistant to all currently used antibiotics?
a. gonorrhea b. chlamydia c. siphilis d. trichomoniasis e. genital herpes
By hunting at different times of day, hawks and owls are able to reduce.
a) predation b) competition c) parasitism d) adaptation