Glycoproteins and glycolipids on the surface of cell plasma membranes determine interactions between cells. What type...
Glycoproteins and glycolipids on the surface of cell plasma membranes determine interactions between cells. What type of chemical bond is most probably used to connect the carbohydrate molecules to the protein or lipid molecules?
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Glycoproteins and glycolipids on the surface of cell plasma
membranes determine interactions between cells. What type...
A peptide bond between two amino acids is what type of functional group? Ketone O Ester...
A peptide bond between two amino acids is what type of functional group? Ketone O Ester Amide O Disulfide Aldehyde The tertiary structure of a proteins is NOT held together by which type of bond/interaction? Hydrogen bond Electrostatic interactions Hydrophobic interactions Peptide bond Disulfide bonds
Are the following statements true or false? 1. Membrane carbohydrates occur as either glycoproteins or glycolipids,...
Are the following statements true or false? 1. Membrane carbohydrates occur as either glycoproteins or glycolipids, and most always face away from the cytosol. 2. The melting temperature of a phospholipid bilayer increase with an increased content of unsaturated fatty acid. 3. Molecules which permeate a plasma membrane by facilitated diffusion require cells to use energy (ATP) for their transfer. 4. “Catabolism” refers to synthetic processes that occur inside the cell. 5. Type I collagen has a membrane bilayer-spanning domain....
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FILL THE BLANK The membranes of fishes that live in extreme cold have a high proportion...
FILL THE BLANK The membranes of fishes that live in extreme cold have a high proportion of _________________ hydrocarbon tails, enabling them to stay fluid.For example, cold-adapted organisms such as winter wheat increase the percentage of _________________ phospholipids in their membranes in the autumn to prevent the membranes from solidifying during winter.There are two major populations of membrane proteins: ___________ and _____________.Integral proteins penetrate the hydrophobic interior of the lipid bilayer, usually completely spanning the membrane as ________________ proteins.________________ proteins...
here would you expect to find a bedrophhobic amino acld like valine? hor of the folded...
here would you expect to find a bedrophhobic amino acld like valine? hor of the folded protein, away from water on the exterior surface of the protein, interacting with water C) in the interior of the folded protein, away from water, or in a tranomembrane portion interacting with lipid fatty acid chains D) in the transmembrane portion interacting with lipid fatty acid chains- 20) Which of the following are found in plant, animal, and bacterial cells? A) chloroplasts C) ribosomes...
in cardiac 5. Cell-cell communication junctions in plants are called and muscle cells (animal). A. plasmodesmata,...
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1. Which type of cells below is not known for its extensively developed SER? A. skin...
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The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons...
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A peptide bond between two amino acids is what type of functional group? Ketone O Ester Amide O Disulfide Aldehyde The tertiary structure of a proteins is NOT held together by which type of bond/interaction? Hydrogen bond Electrostatic interactions Hydrophobic interactions Peptide bond Disulfide bonds
here would you expect to find a bedrophhobic amino acld like valine? hor of the folded protein, away from water on the exterior surface of the protein, interacting with water C) in the interior of the folded protein, away from water, or in a tranomembrane portion interacting with lipid fatty acid chains D) in the transmembrane portion interacting with lipid fatty acid chains- 20) Which of the following are found in plant, animal, and bacterial cells? A) chloroplasts C) ribosomes...
in cardiac 5. Cell-cell communication junctions in plants are called and muscle cells (animal). A. plasmodesmata, anchoring junction B. plasmodesmata gap junction C. stomata; anchoring junction D. stomata; conjunction junction Estomata; gap junction 6. Actin is found in A. cellulose B. intermediate filament C.microfilament D. microtubule E. cristae 7. Based on the endosymbiont theory which was once a free living prokaryote? A. nucleus B. Golgi C. Mitochondria D. rough endoplasmic reticulum E. B and D 8. Active transport A. occurs...
6. Lipid-soluble signaling molecules, such as testosterone, cross the plasma membranes of all cells A) by diffusion but affect only target cells because only target cells retain the appropriate DNA segments. B) by diffusion but affect only target cells because only target cells have the intracellular receptors for testosterone. C) through hydrophilic channels of transmembrane proteins but affect only target cells because only target cells retain the appropriate DNA segments. D) through hydrophilic channels of transmembrane proteins but affect only...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
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