Individuals with hypothetical "thrifty genes" are proposed to be better at storing fat than individuals without these genetic variants.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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Use the following graph and information to answer the question below

Flycatcher birds that migrate from Africa to Europe feed their nestlings a diet that is almost exclusively moth caterpillars. The graph below shows the mean dates of arrival, bird hatching, and peak caterpillar season for the years 1980 and 2000. The shift in the peak of caterpillar season is most likely due to _____. A) pesticide use B) earlier migration returns of flycatchers C) an innate change in the biological clock of the caterpillars D) global warming E) acid precipitation in Europe

Biology & Microbiology

What type of bonding occurs between mature tRNAs and mRNA?

a. covalent b. ionic c. hydrogen d. van der Waals

Biology & Microbiology

Which scientist described inclusive fitness as the effect an individual has on propagating its alleles through its own reproduction and through kin selection?  

A.  Mendel B.  Darwin C.  Wallace D.  Tinbergen E.  Hamilton

Biology & Microbiology

The antibody active in agglutination or clumping of antigens is that determine blood groups. This antipody is a pentamer and it is found in the blood and the lymph.

A) IgA B) IgM C) IgG D) IgD

Biology & Microbiology