A plant species where each plant makes some flowers that are male and some that are female is called a ____ species and always has ____ flowers
a. monoecious; complete
b. dioecious; imperfect
c. dioecious; complete
d. monoecious; imperfect
e. monoecious; perfect
ANSWER: d
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Where does a dendritic cell present antigen to naive T cells?
a. thymus b. blood c. bone marrow d. lymph node or spleen e. interstitial fluid
Undecomposed organic matter in the form of fossil fuels and carbon in sedimentary rocks represents a net positive flux of oxygen to the atmosphere
Indicate whether the statement is true or false
One function of antibodies is to ________
A) deactivate defensive proteins
B) stimulate the production of antigens
C) phagocytose invading bacteria
D) clump invader cells
In the analysis of quantitative traits, positions on chromosomes called quantitative trait loci (QTLs) are often discussed. In the same context, restriction fragment length polymorphisms (RFLPs) are also discussed. What is the relationship between QTLs
and RFLPs? What will be an ideal response?