The water strider is an insect that skates across the water without sinking. The tips of its feet must be coated with molecules that are
What will be an ideal response?
hydrophobic
You might also like to view...
Which is true regarding translation in bacteria?
A. The 70S ribosome is composed of a 20S and 50S subunit. B. Translation begins with formation of the 30S initiation complex. C. Translation ends when the Shine-Delgarno sequence is reached. D. All of the choices are correct.
Unlike plants, fungi, and bacteria, animal cells
cannot resist volume increases in hypotonic environments. This is because unlike those other organisms, animal cells
a. do not have central vacuoles. b. do not have cell walls. c. do not have pumps that can actively pump out excess fluid. d. are smaller than those other cells and thus cannot handle large increases in volume. e. have relatively more solutes
Earth is the warmest it has been for ____ years
a. 12 b. 120 c. 1200 d. 12, 000 e. 12, 000, 000
Sigma virus infection in Drosophila melanogaster causes flies to become paralyzed and then die in high concentrations of CO2. The virus is passed on extrachromosomally
Two isogenic strains of Drosophila cultures are maintained: R (resistant to CO2 or wild type) and S (susceptible to CO2, infected with sigma). After crosses between male R and female S flies, subsets of offspring of each gender are tested for CO2 sensitivity. Which of the following results do you expect? A) All the offspring are sensitive. B) All the offspring are female. C) All the offspring are male. D) All the offspring are sensitive, but only males pass it on. E) Only male offspring backcrossed to the female parent are sensitive.