Author: Anonymous

Which of the following statements best describes how unsaturated fatty acids increase membrane fluidity at lower temperatures?

Which of the following statements best explains how a modern transmission electron microscope (TEM) can achieve a resolution of about 2.0 nanometers, whereas a standard light microscope has a maximum resolution of about 200 nanometers?

A cell with a predominance of smooth endoplasmic reticulum is most likely specialized to carry out which of the following processes?

The phosphate transport system in bacteria imports phosphate into the cell even when the concentration of phosphate outside the cell is much lower than the cytoplasmic phosphate concentration. Because phosphate import depends on a pH gradient across the membrane, phosphate transport is most likely an example of which of the following transport processes? [Hint: pH indicates proton concentration, and suggest a proton pump]

Based on the below figure, which of these experimental treatments would increase the rate of sucrose transport into a plant cell? 1H pump.png

Which of the following statements best explains the ability of CAM plants to synthesize sugars in the daytime while keeping their stomata closed to reduce water loss?

Which of the following statements most accurately compares primary factors responsible for simple diffusion versus active transport?

Penicillin is an antibiotic that kills bacteria by binding to the active site of an enzyme involved in synthesis of the bacterial cell wall. Which of the following phenomena best describes the mechanism of action of penicillin?

Which of the following examples describes a type of potential rather than kinetic energy?

Which of the following statements most accurately compares primary factors responsible for simple diffusion versus active transport?