The noncoding regions of a primary mRNA transcript that interrupt coding regions are known as:
A. exons.
B. introns.
C. poly(A) tails.
D. 5' caps.
B
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Early symptoms of which STD include flattened, painless chancres at the initial infection site; if left untreated in the
long term, this STD can cause mental illness, blindness, and death?
a. gonorrhea b. syphilis c. chlamydia d. trichomoniasis e. genital herpes
In colorectal cancer, several genes must be mutated for a cell to develop into a cancer cell. Which of the following kinds of genes would you expect to be mutated?
A) genes coding for enzymes that act in the colon B) genes involved in control of the cell cycle C) genes that are especially susceptible to mutation D) genes of the bacteria, which are abundant in the colon
This field of biotechnology examines the proteins that are predicted from the DNA sequence from which scientists can identify gene families and how humans may have evolved at a molecular level.
A. genomics B. transcriptomics C. proteomics D. cloning technology
Enveloped viruses may enter their host cells by engulfment within coated vesicles (endocytosis).
Answer the following statement true (T) or false (F)