Please choose the answer that best fills in the blanks of this sentence in the correct order. Immunodeficiency diseases that are congenital (present at birth) and genetic in origin are referred to as _______ immunodeficiency diseases, whereas those that are acquired during an individual's lifetime and are not genetic in origin are referred to as _______ immunodeficiency diseases.
A) Innate; adaptive
B) Secondary; primary
C) Primary; secondary
D) True; opportunistic
C) Primary; secondary
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In response to increased carbon dioxide levels in the atmosphere, stomata in leaves of some species
have ________.
a. become smaller b. declined in number c. increased in number d. become encoded by the gene YDA e. become larger
The American redstart (Setophagaruticilla) is in serious decline. Scientists have been able to correlate health and breeding success to levels of 13C in their blood (a chemical signature indicating the source of their diet). Birds with lower levels of 13C in their blood return to their spring breeding ground sooner, weigh more and produce more offspring. Based on this, what would you expect to find in the wintering grounds of the American redstart? Check all that apply.
A. Higher insect biomass in areas where plants have low13C B. A lack of territorial behavior being displayed by American redstarts C. Differences in food quality correlating with levels of 13C in the habitat D. Similar flora and fauna in all redstart habitats, unrelated to levels of 13C E. Limited availability of habitat in areas where plants have low13C
On the starch plate, we look for the prescence of ____ which catabolizes _____ by breaking ______ bonds.
Fill in the blank(s) with the appropriate word(s).
Microorganisms often grow on more complex molecules than glucose. Sometimes these nutrition sources are lipids. However, before the lipid can be metabolized, its fatty acid side chains must be broken down by the ___ cycle to Acetyl-CoA
a) tri-carboxylic acid b) citric acid c) glyoxylate d) Beta-oxidation e) reductive tri-carboxylic acid