Which of the following are never sink regions
for the pressure-flow translocation of organic
compounds?
a. growing leaves
b. seeds
c. fruits
d. roots
e. mature photosynthesizing leaves
E
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An animal's circulatory system contains ____
a. solid medium to transport nitrogen b. blood vessels for transporting solid food c. blood vessels leading to the heart d. a mouth opening to the outside e. nitrogen to transport wastes
Various viruses support their propagation by activating ____ kinase cascades in cells they infect
a. MAP d. GTP b. cAMP e. cytoplasmic c. steroid hormone
Population genetics is the study of:
a. the relationship between natural selection and genetics. b. the phenotype expression of a population. c. all the alleles in a given population of organisms. d. the presence of analogous structures across different species.
Despite the fact that skin-to-skin contact is important in establishing bonding between babies and their caregivers, that same contact can also expose them to pathogens. You have been asked to teach a short class for child care workers to help them identify highly contagious diseases that can cause outbreaks in their environment. Which two of these conditions are most common and most infectious in babies?
A. Impetigo and ringworm B. Ringworm and hand, foot, and mouth disease C. Impetigo and cellulitis D. Conjunctivitis and rubella E. Impetigo and conjunctivitis