The membranes of psychrophilic bacteria have relatively high levels of ________ fatty acids, which allow them to remain semifluid at cold temperatures.
A. unsaturated
B. aromatic
C. sterol
D. saturated
Answer: A
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Which of the listed statements describes the results of the following reaction? C6H12O6 + 6 O2 ? 6 CO2 + 6 H2O + Energy
A) C6H12O6 is oxidized and O2 is reduced. B) O2 is oxidized and H2O is reduced. C) CO2 is reduced and O2 is oxidized. D) C6H12O6 is reduced and CO2 is oxidized. E) O2 is reduced and CO2 is oxidized.
________ are the adhesive glycoproteins associated with most animal cells that function in calcium-mediated cell-cell recognition and adhesion.
Fill in the blank(s) with the appropriate word(s).
The figure included shows the body temperature of lizards versus air temperature in two different habitats—open and shaded forest. Which one of the following conclusions is best supported by these data.
A. Lizards are more active in open habitats.
B. Lizards sunbathe more in open habitats.
C. Lizards in shaded forest habitats eat more to maintain their temperature.
D. The body temperature of lizards is more constant in open than in shaded forest habitats.
E. The negative effect of air temperature on body temperature is less in shaded forest habitats because the temperature varies less there.
Which one of the following risks is increased by ART?
A. Ectopic pregnancies B. Low birth weight C. Multiple births D. Passing on male infertility to sons E. All of these