What would the result be if histamine and nitric oxide were NOT secreted during a puncture injury?
A. The blood vessels would be more permeable.
B. The blood vessels would dilate.
C. Healing would not take place at all.
D. The blood mast cells would constrict.
E. Healing would be slower.
Answer: E
You might also like to view...
If a cell of an organism has 46 chromosomes before meiosis, how many chromosomes will exist in each nucleus after meiosis
What will be an ideal response?
HIV has 9 genes in its RNA genome. Every HIV particle contains two RNA molecules, each molecule containing all 9 genes. If, for some reason, the two RNA molecules within a single HIV particle do not have identical sequences, then which of these terms can be applied due to the existence of the non-identical regions?
A) homozygous B) gene variability C) nucleotide variability D) average heterozygosity E) all except A
Select the incorrect statement related to fungi.
A. Some fungi can break down cellulose into its glucose subunits. In addition, some fungi are predaceous. B. One method of reproduction in fungi is by flagellated sperm. Water is a requirement for those particular fungi to reproduce. C. Cheese, wine, and soy sauce are but a few examples of foods dependent on fungi for their production. D. All fungi secrete digestive enzymes and practice external digestion. E. Some fungi are able to grow to many hectares in size.
Sympatric speciation differs from allopatric speciation because in sympatric speciation
A. there are no physical barriers against interbreeding. B. a population becomes geographically isolated. C. hybrid zones form. D. polyploidy must first arise. E. two populations of the same species merge to form a single population.