One of the first chemotherapy drugs, vincristine, was discovered in the rosy periwinkle and is a(n) ___________

A. terpenoid
B. phenol
C. non-protein amino acid
D. alkaloid


D

Biology & Microbiology

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What are some diseases associated with imprinting?

A. Angelman Syndrome B. LHON C. Alzheimer's Disease D. All of the answers are correct

Biology & Microbiology

Of all the different codons that exist, three of

them

a. are not used in any organisms. b. do not code for an amino acid. c. code for non-functional amino acids. d. signify ‘start here’. e. do more than one of these things.

Biology & Microbiology

Individuals with the O blood group are known as universal donors because the Gal and GlcNAc groups that are recognized by the antibodies in A, B, and AB in other individuals are missing

Which of which of the following types of erythrocyte plasma membrane components lacks these GlcNAc groups? A) a glycoprotein B) a glycolipid C) glycophorin D) a GPI-anchored protein E) a glycocalyx protein

Biology & Microbiology

Bacterial cells pick up free pieces of DNA that were secreted you live bacteria or released from dead bacteria in their environment this process is called

A) transformation. B) transduction. C) conjugation. D) infection. E) replication

Biology & Microbiology