Homework Answers
TRUE - Dialysis membrane is like cell membrane
Dialysis is a process of purifying blood when the kidneys are not functional and in dialysis the blood is allowed to pass through a semipermeable membrane that is similar to cell membrane, the foreign components and also waste products in blood are separated through their size. The dialysis membrane has numerous pores in that of different sizes that only allow the particles of small size while not allowing the components of blood and plasma. Like wise the blood is purified from the toxicants. In such a way dialysis membrane carry out diffusion and osmosis as like the normal cell membrane does. Like the cell membrane the dialysis membrane has pores in it, also the dialysis membrane is selectively permeable membrane.
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QUESTION 8 Dialysis membrane is like a cell membrane. O True O False
1) Imagine that a simulated cell is made using dialysis tubing as the membrane and water...
1) Imagine that a simulated cell is made using dialysis tubing as the membrane and water mixed with glucose, salt, and protein as the cytosol. Imagine that this 16 gram cell is placed in a beaker of distilled water for 1 hour. After 1 hour the cell has gained 3 grams of weight. The beaker solution tests positive for glucose and salt, but tests negative for protein. Which of the following CANNOT be correctly concluded? a. Glucose and salt diffused...
True or False: Viruses like influenza A virus are acted upon by a T cell subset...
True or False: Viruses like influenza A virus are acted upon by a T cell subset that releases inflammatory cytokines. Select one: O True O False
Suppose you made a "baggie" out of dialysis tubing (a material that mimics a cell membrane),...
Suppose you made a "baggie" out of dialysis tubing (a material that mimics a cell membrane), filled the baggie with 25% salt water, and then submerged the baggie in a beaker of DI water. Over time, would you expect the baggie to gain weight or lose weight (CHOOSE ONE)? WHY do you think this (your answer) will happen?
Question 16 The resting membrane potential of the nerve cell is O-10v +30mv -30mv O-70mv Question...
Question 16 The resting membrane potential of the nerve cell is O-10v +30mv -30mv O-70mv
Question 16 The resting membrane potential of the nerve cell is O-10v +30mv -30mv O-70mv
Question 8 In chick development, the allantois is an outgrowth of the hindgut. O True False...
Question 8 In chick development, the allantois is an outgrowth of the hindgut. O True False Previous Question 9 The chick blastoderm is a hollow, spherical ball of cells and regional specification is describéd based on dorsoventral patterning. True False Next * Previous Question 10 Mutations in the homeotic genes of Drosophila can transform one body segment into another O True O False Question 11 The mouse blastocyst is essentially the same as the Xenopus blastula with a ball of...
Neuroglia cells that make myelin surrounding neurons are called microglia cells. True False QUESTION 8 External...
Neuroglia cells that make myelin surrounding neurons are called microglia cells. True False QUESTION 8 External nares connect directly to the trachea. True False QUESTION 9 Neurons at rest have more sodium (Na+) outside the neuron membrane than inside the neuron membrane. True False
18- True or False A T cell receptor consists of an alpha and beta chain attached...
18- True or False A T cell receptor consists of an alpha and beta chain attached to the membrane of the B cell. 19-True or False The first class of antibody made is IgM
The name given to the accepted description of the cell membrane is the O"membrane cross-linkage" model...
The name given to the accepted description of the cell membrane is the O"membrane cross-linkage" model "lipid fluid" model "fluid mosaic" model "soap bubble" model "protein interchange" model Question 31 P> <span data-keepme="true"><span>What are the numbered structures shown in diagram?</span> </span></p> <p data-keepme="true"><span> </span></p> Question 31 2 pts <p><span data-keepme="true"><span>What are the numbered structures shown in this diagram?</span></span></p><p data-Keepme="true"><span> </span></p><p class="Productionnote"><img title="media_f3712ba7_27ac_4bdf_ba20_907735290ffc.JPEG" alt="The left part of this illustration shows an integral membrane protein with a single alpha-helix that spans the membrane. The...
True or False: Somatic hypermutation strengthens the memory response against a known pathogen. Select one: O...
True or False: Somatic hypermutation strengthens the memory response against a known pathogen. Select one: O O True False True or False: Large amounts of high affinity IgG are produced during the primary response to infection. Select one: O True O False True or False: The T-cell zone exists in the germinal center of the primary follicle. Select one: O O True False True or False: An example of T-cell Independent-1 B-cell activation is lipopolysaccharide (LPS) interaction with both the...
QUESTION 8 Ergogenic aids are best defined as nutritional products that improve athletic performance. O True O False...
QUESTION 8 Ergogenic aids are best defined as nutritional products that improve athletic performance. O True O False QUESTION 9 Structure/function claims cannot be made on supplement labels. True False
True or False: Viruses like influenza A virus are acted upon by a T cell subset that releases inflammatory cytokines. Select one: O True O False
Suppose you made a "baggie" out of dialysis tubing (a material that mimics a cell membrane), filled the baggie with 25% salt water, and then submerged the baggie in a beaker of DI water. Over time, would you expect the baggie to gain weight or lose weight (CHOOSE ONE)? WHY do you think this (your answer) will happen?
Question 16 The resting membrane potential of the nerve cell is O-10v +30mv -30mv O-70mv
Question 16 The resting membrane potential of the nerve cell is O-10v +30mv -30mv O-70mv
Question 8 In chick development, the allantois is an outgrowth of the hindgut. O True False Previous Question 9 The chick blastoderm is a hollow, spherical ball of cells and regional specification is describéd based on dorsoventral patterning. True False Next * Previous Question 10 Mutations in the homeotic genes of Drosophila can transform one body segment into another O True O False Question 11 The mouse blastocyst is essentially the same as the Xenopus blastula with a ball of...
Neuroglia cells that make myelin surrounding neurons are called microglia cells. True False QUESTION 8 External nares connect directly to the trachea. True False QUESTION 9 Neurons at rest have more sodium (Na+) outside the neuron membrane than inside the neuron membrane. True False
18- True or False A T cell receptor consists of an alpha and beta chain attached to the membrane of the B cell. 19-True or False The first class of antibody made is IgM
The name given to the accepted description of the cell membrane is the O"membrane cross-linkage" model "lipid fluid" model "fluid mosaic" model "soap bubble" model "protein interchange" model Question 31 P> <span data-keepme="true"><span>What are the numbered structures shown in diagram?</span> </span></p> <p data-keepme="true"><span> </span></p> Question 31 2 pts <p><span data-keepme="true"><span>What are the numbered structures shown in this diagram?</span></span></p><p data-Keepme="true"><span> </span></p><p class="Productionnote"><img title="media_f3712ba7_27ac_4bdf_ba20_907735290ffc.JPEG" alt="The left part of this illustration shows an integral membrane protein with a single alpha-helix that spans the membrane. The...
True or False: Somatic hypermutation strengthens the memory response against a known pathogen. Select one: O O True False True or False: Large amounts of high affinity IgG are produced during the primary response to infection. Select one: O True O False True or False: The T-cell zone exists in the germinal center of the primary follicle. Select one: O O True False True or False: An example of T-cell Independent-1 B-cell activation is lipopolysaccharide (LPS) interaction with both the...
QUESTION 8 Ergogenic aids are best defined as nutritional products that improve athletic performance. O True O False QUESTION 9 Structure/function claims cannot be made on supplement labels. True False
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