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WGU C190 INTRO TO BIOLOGY PRACTICE TEST| 71 QUESTIONS AND ANSWERS CA$21.70   Add to cart
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WGU C190 INTRO TO BIOLOGY PRACTICE TEST| 71 QUESTIONS AND ANSWERS
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  • WGU C190 Intro To Biology

Fats and oils are composed of Fatty acids and glycerol Fatty acids can naturally be saturated or unsaturated. A saturated fatty acid has . All single covalent bonds Triglycerides, a type of fat, are composed of what two subunits? Fatty acids and glycerol What would you have...

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  • November 4, 2023
  • 8
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • wgu c190 intro to biology practice test

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  • WGU C190 Intro to Biology

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WGU C190 INTRO TO BIOLOGY PRACTICE TEST 71 QUESTIONS AND ANSWERS
Fats and oils are composed of - answer Fatty acids and glycerol
Fatty acids can naturally be saturated or unsaturated. A saturated fatty acid has - answer .
All single covalent bonds
Triglycerides, a type of fat, are composed of what two subunits? - answer Fatty acids and glycerol
What would you have to do to make a fat from the fatty acid shown above? - answer Attach it to
a glycerol along with two other fatty acids.
If one or more of the fatty acids in a triglyceride include omega-3 fatty acids, what can you predict about this substance at room temperature? - answer It is a liquid oil
What kinds of molecules are the major fuel for the salmon's long trip? - answer Triglycerides (fats / oils)
Based on your knowledge of the structure of triglycerides, what products would you expect to result from the complete hydrolysis of a fat molecule? More than one is correct. - answer Fatty acids and glycerol
The blubber layer helps insulate mammals and birds that live in cold water; fat does not conduct
heat very quickly. Applying what you know about lipids, what is the main advantage of covering feathers or fur in oil? - answer Oil sheds water and keeps underlying layers of fur or downy feathers dry. Another type of lipid that composes cells are called phospholipids. Phospholipids differ from other lipids because they - answer Contains a hydrophobic and hydrophilic end
Highly simplified diagram of a membrane's structure is made up of - answer Phospholipids
Which part of the molecules is hydrophilic? - answer The heads
Ions of salt (sodium, NA+, and chloride, Cl−) are highly hydrophilic. Will they easily pass through the layer to enter or leave a cell? - answer No.
What are molecules? - answer Molecules are made of atoms
Below is an image of the smallest amino acid: Glycine. What does each line in the picture of the amino acid represent? - answer A shared pair of electrons in a covalent bond.
A peptide is built so that the red amino acid is glutamic acid and the blue amino acid is lysine. How will these amino acids respond to each other? - answer These amino acids are charged and
will attract each other
The amino acid chain of a protein is held together by - answer Covalent bonds
If the protein is mainly structural and needs to maintain a stable, rigid form, which bonds would it use? - answer Covalent bonds
If the protein needs to be flexible, with bonds that easily break and reform, which bonds would it use? - answer Hydrogen
Water molecules binding to each other is called a - answer Cohesion

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