Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Chapter 2, Problem 13CTQ
Why can some insects walk on water?
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Chapter 2 Solutions
Concepts of Biology
Ch. 2 - Figure 2.3 How many neutrons do (K) potassium-39...Ch. 2 - Magnesium has an atomic number of 12. Which of the...Ch. 2 - Which type of bond represents a weak chemical...Ch. 2 - An isotope of sodium (Na) has a mass number of 22....Ch. 2 - Which of the following statements is not true? a....Ch. 2 - Using a pH meter, you find the pH of an unknown...Ch. 2 - The pH of lemon juice is about 2.0, whereas tomato...Ch. 2 - An example of a monosaccharide is ________. a....Ch. 2 - Cellulose and starch are examples of______. a....Ch. 2 - Phospholipids are important components of_______....
Ch. 2 - The monomers that make up proteins are...Ch. 2 - Why are hydrogen bonds and van der Waals...Ch. 2 - Why can some insects walk on water?Ch. 2 - Explain why water is an excellent solvent.Ch. 2 - Explain at least three functions that lipids serve...Ch. 2 - Explain what happens if even one amino acid is...
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- Nerve conduction Question 6 All of the following are functions of water except? O Acts as a coenzyme in chemical reactions Protects and lubricates tissues Transport Solvent Question 7 Which of the following foods are high in sodium? Select all Baconarrow_forwardMost marine invertebrates are osmotic conformers. How does their body fluid differ from that of sharks and rays, which are also in near osmotic equilibrium with their environment?arrow_forwardWhat distinguishes living things from non-living things? Throughout history, various societies have defined life differently. Based on your scientific experience, what is your definition? How has it changed as you have progressed through your education? What makes water unique? How are these properties important to life?arrow_forward
- Why a human floats on water when he or she is dead? Why it does not get drown?arrow_forwardmy question is that Sodium chloride is dissolved in water to make a _________________________. In here, sodium chloride is ____________________, and water is _____________________.?arrow_forwardcan not be solved she wants an explanation.she wants to know what would be the weigh of air in the classroomarrow_forward
- Statement 1: Because most solutes cannot cross plasma membranes, water tends to move across membranes in response to differences in solute concentrations inside and outside the cell. Statement 2: Hypotonic solutions cause water molecules to diffuse out of the cell, dehydrating it. Both statements are true. Both statements are false. Statement 1 is true. Statement 2 is false. D Statement 1 is false. Statement 2 is true.arrow_forwardBoth saltwater and freshwater fish have adaptations to control the movement of water and salts across their external surfaces. Describe what would happen without these adaptations.arrow_forwardWhy Is Water So Important to Life?arrow_forward
- Why can an insect "walk" on water? O The insect's weight is negligible. Water has a low density. O Water has a higher surface tension. O The insect must obtain oxygen to survive.arrow_forwardWhen a molecule of water dissociates, H+ and OH- are formed. O 2,2 O 2,1 O 1,2 1,1arrow_forwardWhy are buffers important in living systems?arrow_forward
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