9. Which of the following molecules cannot be found in cell membrane?A. TriglycerideB. CholesterolC. GlycerophospholipidD. GlycoproteinE. Sphingophospholipid

The cell membrane, commonly known as the plasma membrane, protects the cell. It is found in all…

Answered: 9. Which of the following molecules…

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter4: Cell Structure

Section: Chapter Questions

Problem 4SA: Cell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids;...

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Cell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECM
The mutual attraction of opposite charges holds atoms together as molecules in a(n) ________ bond. a. ionic b. hydrogen c. polar covalent d. nonpolar covalent
1. What are the forces that maintain structural integrity of biological membranes and explain how each force mentioned is formed in membrane lipids.
1. Why is biochemistry called the chemistry of life? 2. List famous scientists who made important contributions to the field of biochemistry. Describe the values that can be emanated by these scientists. 3. Discuss the effects of water in the body.
6. Why is Low Density Lipoprotein (LDL) considered “bad” cholesterol? A. Deliver fats made in liver to cells B. Remove cholesterol from the body and deliver to liver C.Carry digested fat through lymph to bloodstream D. Deposit cholesterol in walls of arteries 7. Which one of the following is/are a function (s) of cholesterol? A. Part of the cell plasma membrane B. Precursor for vitamin D synthesis C. Precursor for sex hormones D. All of the above 8. Which one of the following is /are types of lipids found in food and in your body? A. Sterols B. Phospholipids C. Triglycerides D. All of the above 9. True / False: Atherosclerosis is the ONLY risk factor associated with heart disease A. True B. False 10. Which one of the following carry digested fat through lymph into blood stream? A. Low density lipoprotein (LDL) B. High density lipoprotein (HDL) C. Chylomicrons D. Very Low Density lipoprotein (VLDL
3) The structure that confers structural strength on the cell is known as the A) cytoplasmic membrane. B) cell wall. C) ribosome. D) cytoplasm.
A molecule that donates electrons becomes ________, and the one that accepts the electrons becomes ________. a. reduced; oxidized b. ionic; electrified. c. oxidized; reduced d. electrified; ionic
A driving ion moving through a membrane channel in one direction gives energy to actively transport another molecule in the opposite direction. What is this process called? a. facilitated diffusion b. antiport transport c. symport transport d. primary active transport pump e. contransport
Which of the following are glycoproteins whose function is affected by the common cold birus? a. plasmodesmata b. desmosomes c. cell adhesion molecules d. flagella e. cilia
Which of the following is surrounded by two phospholipid bilayers? the ribosomes the vesicles the cytoplasm the nucleoplasm
Which type of bond represents a weak chemical bond? hydrogen bond atomic bond covalent bond nonpolar covalent bond
The measure of an atoms ability to pull electrons away from another atom is called ________ . a. electronegativity b. charge c. polarity

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9. Which of the following molecules cannot be found in cell membrane? A. Triglyceride B. Cholesterol C. Glycerophospholipid D. Glycoprotein E. Sphingophospholipid