Genes with similar sequences in two different species, such as humans and mice
A. produce essentially identical products that have essentially identical functions.
B. may produce products that have slightly to dramatically different functions.
C. almost always have completely different functions in the two species.
D. there is no way of predicting whether the gene will function the same way or differently.
E. are nearly always nonfunctional or "nonsense" DNA in one of the species, present only as a transposon.
B. may produce products that have slightly to dramatically different functions.
You might also like to view...
The complexity of microRNA function is that
A) microRNAs can be rRNA, mRNA, or tRNA. B) they range in size from 10 to 10,000 bases. C) a microRNA type can bind several mRNAs, and an mRNA can bind several microRNAs. D) it can be acetylated, phosphorylated, or methylated.
According to the intermediate disturbance hypothesis, ____
a. species richness becomes greatest in between disturbances of moderate intensity or frequency b. a disturbance is necessary during succession in order to stabilize the community c. community succession is highly predictable d. competition and other species interactions are the most important factors in shaping community structure e. a community reverts to a climax state after a disturbance
Anti-inflammatory medication would suppress
A. the release of nitric oxide from endothelial cells. B. the release of cytokines. C. leukocyte movement through the capillary wall. D. vasodilation. E. All of these statements are correct.
Which blood vessels carry oxygenated blood?
A. Pulmonary veins B. Pulmonary arteries C. Systemic veins (such as the femoral vein in your leg)