Consider your knowledge about the cell membrane and check all of the true statements below 1) cell membranes are present in only two of the three domains of life

2) in water, phospholipids spontaneously arrange into a bilayer

3) the area within a phospholipid bilayer, near the fatty acid tails, is hydrophilic

4) steroids in cell membranes allow the membrane to be more fluid

5) phospholipid bilayers surround all eukaryotic cells

6) membrane proteins offer structural support to the membrane but have no other function

7) both plant and animal cell membranes are considered fluid mosaics

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.