How does the enzyme telomerase meet the challenge of replicating the ends of linear chromosomes?
A) It adds a single cap structure that resists degradation by nucleases.
B) It causes specific double-strand DNA breaks that result in blunt ends on both strands.
C) It catalyzes the lengthening of telomeres, compensating for the shortening that could occur during replication without telomerase activity.
D) It adds numerous GC pairs, which resist hydrolysis and maintain chromosome integrity.
C
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A special capsule or chamber where a plant will make the first cells of the gametophyte generation is called a ____
a. vascular system b. protonema c. sporangium d. rhizome e. shoot system
Which disease may develop when microbes enter the blood stream directly via IV drug use or dental
work? a. rheumatic fever b. hypertension c. endocarditis d. myocarditis e. malignant melanoma
When considering non-related traits, the fact that they may be inherited individually without any effect
on one another is known as a. segregation. b. independent assortment. c. synapsis. d. independent segregation. e. non-disjunction.
The implementation of universal blood and body fluid precautions assumes that any and all patient specimens may harbor infectious agents and must be handled with the same degree of care.
Answer the following statement true (T) or false (F)